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	<front>
		<journal-meta>
			<journal-id journal-id-type="publisher-id">sobep</journal-id>
			<journal-title-group>
				<journal-title>Revista da Sociedade Brasileira de Enfermeiros Pediatras</journal-title>
				<abbrev-journal-title abbrev-type="publisher">Rev. Soc. Bras. Enferm. Ped</abbrev-journal-title>
			</journal-title-group>
			<issn pub-type="ppub">2238-202X</issn>
			<publisher>
				<publisher-name>Sociedade Brasileira de Enfermeiros Pediatras</publisher-name>
			</publisher>
		</journal-meta>
		<article-meta>
			<article-id pub-id-type="doi">10.31508/1676-3793202511</article-id>
			<article-categories>
				<subj-group subj-group-type="heading">
					<subject>ARTIGO ORIGINAL</subject>
				</subj-group>
			</article-categories>
			<title-group>
				<article-title>Implementação da <italic>Paediatric Trigger Tool</italic> em Unidade de Internação Pediátrica</article-title>
				<trans-title-group xml:lang="es">
					<trans-title>Implementación de la <italic>Paediatric Trigger Tool</italic> en una Unidad de Hospitalización Pediátrica</trans-title>
				</trans-title-group>
			</title-group>
			<contrib-group>
				<contrib contrib-type="author">
					<contrib-id contrib-id-type="orcid">0000-0003-1468-4151</contrib-id>
					<name>
						<surname>Moraes</surname>
						<given-names>Rúbia Marcela Rodrigues</given-names>
					</name>
					<role>Concepção</role>
					<role>curadoria de dados</role>
					<role>análise formal</role>
					<role>investigação</role>
					<role>metodologia</role>
					<role>administração do projeto</role>
					<role>Redação do rascunho original</role>
					<role>Revisão e edição do manuscrito</role>
					<xref ref-type="aff" rid="aff1"><sup>1</sup></xref>
				</contrib>
				<contrib contrib-type="author">
					<contrib-id contrib-id-type="orcid">0000-0002-5214-5960</contrib-id>
					<name>
						<surname>Maia</surname>
						<given-names>Margani Cadore Weis</given-names>
					</name>
					<role>Redação do rascunho original</role>
					<role>Revisão e edição do manuscrito</role>
					<xref ref-type="aff" rid="aff1"><sup>1</sup></xref>
				</contrib>
				<contrib contrib-type="author">
					<contrib-id contrib-id-type="orcid">0000-0003-3305-6812</contrib-id>
					<name>
						<surname>Souza</surname>
						<given-names>Verusca Soares de</given-names>
					</name>
					<role>Redação do rascunho original</role>
					<role>Revisão e edição do manuscrito</role>
					<xref ref-type="aff" rid="aff2"><sup>2</sup></xref>
				</contrib>
				<contrib contrib-type="author">
					<contrib-id contrib-id-type="orcid">0009-0004-9616-4735</contrib-id>
					<name>
						<surname>Netto</surname>
						<given-names>Jéssica Monteiro Oliveira</given-names>
					</name>
					<role>Redação do rascunho original</role>
					<role>Revisão e edição do manuscrito</role>
					<xref ref-type="aff" rid="aff3"><sup>3</sup></xref>
				</contrib>
				<contrib contrib-type="author">
					<contrib-id contrib-id-type="orcid">0000-0003-0339-9451</contrib-id>
					<name>
						<surname>Bernardino</surname>
						<given-names>Fabiane Blanco Silva</given-names>
					</name>
					<role>Redação do rascunho original</role>
					<role>Revisão e edição do manuscrito</role>
					<xref ref-type="aff" rid="aff1"><sup>1</sup></xref>
				</contrib>
				<contrib contrib-type="author">
					<contrib-id contrib-id-type="orcid">0000-0002-1822-2360</contrib-id>
					<name>
						<surname>Oliveira</surname>
						<given-names>João Lucas Campos de</given-names>
					</name>
					<role>Concepção</role>
					<role>curadoria de dados</role>
					<role>análise formal</role>
					<role>investigação</role>
					<role>metodologia</role>
					<role>administração do projeto</role>
					<role>Redação do rascunho original</role>
					<role>Revisão e edição do manuscrito</role>
					<xref ref-type="aff" rid="aff4"><sup>4</sup></xref>
				</contrib>
			</contrib-group>
			<aff id="aff1">
				<label>1</label>
				<institution content-type="orgname">Universidade Federal de Mato Grosso</institution>
				<addr-line>
					<named-content content-type="city">Cuiabá</named-content>
					<named-content content-type="state">MT</named-content>
				</addr-line>
				<country country="BR">Brazil</country>
				<institution content-type="original">Universidade Federal de Mato Grosso, Cuiabá, MT, Brazil.</institution>
			</aff>
			<aff id="aff2">
				<label>2</label>
				<institution content-type="orgname">Universidade Estadual do Paraná</institution>
				<addr-line>
					<named-content content-type="city">Paranavaí</named-content>
					<named-content content-type="state">PR</named-content>
				</addr-line>
				<country country="BR">Brazil</country>
				<institution content-type="original">Universidade Estadual do Paraná, Paranavaí, PR, Brazil.</institution>
			</aff>
			<aff id="aff3">
				<label>3</label>
				<institution content-type="orgname">Hospital de Clínicas de Porto Alegre</institution>
				<addr-line>
					<named-content content-type="city">Porto Alegre</named-content>
					<named-content content-type="state">RS</named-content>
				</addr-line>
				<country country="BR">Brazil</country>
				<institution content-type="original">Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil.</institution>
			</aff>
			<aff id="aff4">
				<label>4</label>
				<institution content-type="orgname">Universidade Federal do Rio Grande do Sul</institution>
				<addr-line>
					<named-content content-type="city">Porto Alegre</named-content>
					<named-content content-type="state">RS</named-content>
				</addr-line>
				<country country="BR">Brasil</country>
				<institution content-type="original">Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil.</institution>
			</aff>
			<author-notes>
				<corresp id="c01">
					<label>Autor correspondente:</label> Rúbia Marcela Rodrigues | E-mail: <email>moraesrubia4@gmail.com</email>
				</corresp>
				<fn fn-type="coi-statement">
					<label>Conflitos de interesse:</label>
					<p>nada a declarar.</p>
				</fn>
			</author-notes>
			<pub-date date-type="pub" publication-format="electronic">
				<day>23</day>
				<month>09</month>
				<year>2026</year>
			</pub-date>
			<pub-date date-type="collection" publication-format="electronic">
				<year>2026</year>
			</pub-date>
			<volume>25</volume>
			<elocation-id>eSOBEP202511</elocation-id>
			<history>
				<date date-type="received">
					<day>18</day>
					<month>06</month>
					<year>2025</year>
				</date>
				<date date-type="accepted">
					<day>20</day>
					<month>12</month>
					<year>2025</year>
				</date>
			</history>
			<permissions>
				<license license-type="open-access" xlink:href="https://creativecommons.org/licenses/by-nc/4.0/" xml:lang="en">
					<license-p> This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. </license-p>
				</license>
			</permissions>
			<abstract>
				<title>Resumo</title>
				<sec>
					<title>Objetivo</title>
					<p> Descrever a implementação da <italic>Paediatric Trigger Tool</italic> (PTT) para rastreamento de eventos adversos em unidade de internação pediátrica.</p>
				</sec>
				<sec>
					<title>Método</title>
					<p> Estudo descritivo de implementação, realizado em hospital universitário da região Centro-Oeste do Brasil. A implementação foi desenvolvida em cinco etapas, entre outubro de 2020 e fevereiro de 2021. Foram revisados 194 prontuários pediátricos de crianças e adolescentes hospitalizados por período ≥24 horas. Os eventos adversos identificados foram classificados de acordo com a escala do <italic>National Coordinating Council for Medication Error Reporting and Prevention</italic> (NCC/MERP).</p>
				</sec>
				<sec>
					<title>Resultados</title>
					<p> A aplicação da ferramenta possibilitou a identificação de 204 <italic>triggers</italic> e 64 eventos adversos, demonstrando factibilidade para a busca ativa de incidentes de segurança. O tempo médio de revisão foi de 20 minutos por prontuário e demandou uma equipe de três profissionais.</p>
				</sec>
				<sec>
					<title>Conclusão</title>
					<p> A ferramenta mostrou-se promissora para o monitoramento da segurança do paciente pediátrico e apoio às ações de gerenciamento de riscos.</p>
				</sec>
			</abstract>
			<trans-abstract xml:lang="es">
				<title>Resumen</title>
				<sec>
					<title>Objetivo</title>
					<p> Describir la implementación de la Paediatric Trigger Tool (PTT) para el rastreo de eventos adversos en una unidad de hospitalización pediátrica.</p>
				</sec>
				<sec>
					<title>Método</title>
					<p> Estudio descriptivo de implementación, realizado en un hospital universitario de la región Centro-Oeste de Brasil. La implementación se desarrolló en cinco etapas, entre octubre de 2020 y febrero de 2021. Se revisaron 194 historias clínicas pediátricas de niños, niñas y adolescentes hospitalizados por un período ≥24 horas. Los eventos adversos identificados fueron clasificados de acuerdo con la escala del National Coordinating Council for Medication Error Reporting and Prevention (NCC/MERP).</p>
				</sec>
				<sec>
					<title>Resultados</title>
					<p> La aplicación de la herramienta permitió identificar 204 triggers y 64 eventos adversos, demostrando su factibilidad para la búsqueda activa de incidentes de seguridad. El tiempo promedio de revisión fue de 20 minutos por historia clínica y requirió un equipo de tres profesionales.</p>
				</sec>
				<sec>
					<title>Conclusión</title>
					<p> La herramienta se mostró prometedora para el monitoreo de la seguridad del paciente pediátrico y el apoyo a las acciones de gestión de riesgos.</p>
				</sec>
			</trans-abstract>
			<kwd-group xml:lang="pt">
				<title>Descritores:</title>
				<kwd>Segurança do Paciente</kwd>
				<kwd>Enfermagem Pediátrica</kwd>
				<kwd>Eventos Adversos</kwd>
				<kwd>Gestão de Riscos</kwd>
				<kwd>Ferramentas de Rastreamento</kwd>
			</kwd-group>
			<kwd-group xml:lang="es">
				<title>Descriptores:</title>
				<kwd>Seguridad del Paciente</kwd>
				<kwd>Enfermería Pediátrica</kwd>
				<kwd>Eventos Adversos</kwd>
				<kwd>Gestión de Riesgos</kwd>
				<kwd>Calidad de la Atención de Salud</kwd>
			</kwd-group>
			<counts>
				<fig-count count="0"/>
				<table-count count="4"/>
				<equation-count count="0"/>
				<ref-count count="27"/>
			</counts>
		</article-meta>
	</front>
	<body>
		<sec sec-type="intro">
			<title>Introdução</title>
			<p>Um incidente de segurança do paciente com dano é denominado evento adverso (EA) e corresponde a qualquer evento ou circunstância que resulte em dano verificável, desnecessário e, em sua maioria, evitável ao paciente sob cuidados em saúde.<sup>(<xref ref-type="bibr" rid="B1">1</xref>)</sup></p>
			<p>No contexto da hospitalização, o EA configura-se como desfecho indesejável, pois pode ocasionar comprometimentos físicos e/ou psicossociais, com impactos para pacientes, familiares, profissionais e organizações de saúde.<sup>(<xref ref-type="bibr" rid="B2">2</xref>)</sup></p>
			<p>No âmbito pediátrico, a ocorrência de EA assume maior relevância em razão da vulnerabilidade inerente a essa população.<sup>(<xref ref-type="bibr" rid="B3">3</xref>)</sup> Suas particularidades físicas e emocionais tornam crianças e adolescentes mais suscetíveis a agravos à saúde quando comparados à população adulta.<sup>(<xref ref-type="bibr" rid="B4">4</xref>)</sup></p>
			<p>Evidências internacionais e nacionais reforçam a magnitude do problema em pauta. Na Espanha,<sup>(<xref ref-type="bibr" rid="B5">5</xref>)</sup>estudo realizado em unidade de emergência pediátrica identificou que 12,3% de 204 crianças sofreram algum incidente de segurança relacionado à assistência, sendo que 82,1% desses eventos resultaram em dano e mais de 78% foram considerados evitáveis. No Brasil, embora a maioria dos eventos relacionados à segurança do paciente pediátrico em um hospital universitário tenha sido classificada como de baixa gravidade (leve ou moderada), mais de 90% foram considerados evitáveis.<sup>(<xref ref-type="bibr" rid="B6">6</xref>)</sup></p>
			<p>Apesar da elevada frequência e evitabilidade dos EA, sua identificação ainda é limitada por fragilidades nos sistemas de notificação. A subnotificação permanece como desafio relevante, associada a barreiras como cultura punitiva, desconhecimento, ausência de retorno institucional e sobrecarga de trabalho.<sup>(<xref ref-type="bibr" rid="B7">7</xref>)</sup></p>
			<p>Estudo realizado em hospital público da região Centro-Oeste evidenciou que apenas 24% dos incidentes foram notificados, com destaque para erros relacionados a procedimentos cirúrgicos e medicação, reforçando a fragilidade dos sistemas de notificação passiva.<sup>(<xref ref-type="bibr" rid="B7">7</xref>)</sup></p>
			<p>Corroborando esse cenário, estudo brasileiro sobre segurança do paciente pediátrico na administração de hemocomponentes identificou 18 incidentes ou eventos adversos em 274 transfusões, sem registro formal de notificação no período analisado.<sup>(<xref ref-type="bibr" rid="B8">8</xref>)</sup></p>
			<p>Os sistemas de notificação são caracterizados como métodos passivos de identificação de incidentes, apresentam limitações por dependerem da comunicação espontânea dos profissionais e capturarem apenas parte dos eventos ocorridos.<sup>(<xref ref-type="bibr" rid="B9">9</xref>)</sup>Esse cenário reforça a necessidade de abordagens ativas e sistemáticas no gerenciamento de riscos assistenciais.</p>
			<p>Diante dessas limitações, ferramentas de rastreamento de eventos adversos, como a <italic>Paediatric Trigger Tool</italic> (PTT),<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup>emergem como estratégias de detecção ativa. Diferentemente dos métodos passivos, a PTT permite a busca retrospectiva de possíveis danos assistenciais por meio da revisão estruturada de prontuários e da identificação de <italic>triggers</italic> (gatilhos/pistas) qualificando o monitoramento da segurança e subsidiando decisões de melhoria no contexto pediátrico.</p>
			<p>Instrumentos de rastreamento, como a PTT e o <italic>Global Trigger Tool</italic>,<sup>(<xref ref-type="bibr" rid="B11">11</xref>)</sup> reforçam a importância de metodologias ativas na identificação de eventos adversos, especialmente quando os sistemas passivos se mostram insuficientes.<sup>(<xref ref-type="bibr" rid="B12">12</xref>,<xref ref-type="bibr" rid="B13">13</xref>)</sup>Em contrapartida, análises ativas de rastreamento de incidentes demandam potencialmente maior investimento institucional do que métodos passivos, justificando a necessidade de fundamentar evidências sobre a viabilidade e coerência da implementação destes métodos ativos.</p>
			<p>A adoção da PTT insere-se no escopo das intervenções de melhoria da qualidade assistencial, por estruturar a de vigilância de riscos e a produção de dados para a gestão do cuidado seguro. No contexto hospitalar pediátrico, essa estratégia pode favorecer o monitoramento de EA e a definição de prioridades para o gerenciamento de riscos.<sup>(<xref ref-type="bibr" rid="B14">14</xref>)</sup></p>
			<p>Na unidade estudada, a ausência de um método estruturado de busca ativa de eventos adversos pediátricos, associada à dependência de estratégias passivas de identificação, configurava uma lacuna relevante para o gerenciamento de riscos assistenciais. Nesse contexto, a ferramenta PTT foi concebida como uma intervenção de melhoria voltada à qualificação do monitoramento da segurança do paciente, à organização do processo de revisão de prontuários e à geração de dados capazes de orientar futuras ações institucionais para mitigação de danos.</p>
			<p>Assim, este estudo teve como objetivo descrever a implementação da <italic>Paediatric Trigger Tool</italic> no rastreamento de eventos adversos em uma unidade de internação pediátrica.</p>
		</sec>
		<sec sec-type="methods">
			<title>Método</title>
			<p>Trata-se de um estudo descritivo de melhoria da qualidade assistencial, caracterizado como <italic>Quality Improvement Project</italic> (QIP),<sup>(<xref ref-type="bibr" rid="B15">15</xref>)</sup> que descreveu a implementação da <italic>Paediatric Trigger Tool</italic> (PTT) como estratégia de rastreamento de <italic>triggers</italic> e eventos adversos em uma unidade de internação pediátrica. O enquadramento como QIP justifica-se por introduzir uma busca pela mudança estrutural no processo de monitoramento da segurança do paciente.</p>
			<p>Os chamados QIP correspondem a intervenções planejadas para resolver problemas assistenciais, com foco na implementação e no monitoramento de mudanças organizacionais nos serviços de saúde. Nesse contexto, tais iniciativas contribuem para o aprimoramento da prática clínica e da gestão da segurança do paciente.<sup>(<xref ref-type="bibr" rid="B15">15</xref>)</sup> Reforça-se também que a testagem de propostas de melhoria constitui uma premissa para o êxito de implementações concretas e duradouras<sup>(<xref ref-type="bibr" rid="B16">16</xref>)</sup>. O escopo deste estudo é justamente esta testagem.</p>
			<p>Neste estudo, a implementação em nível de teste da PTT foi compreendida como uma intervenção de melhoria da qualidade por introduzir uma mudança estrutural no processo de monitoramento da segurança do paciente da unidade. A lógica da testagem da intervenção baseou-se na premissa de que a ampliação da capacidade de detecção de danos assistenciais produz informações consistentes para o diagnóstico situacional, priorização de riscos e planejamento de ações de melhoria.</p>
			<p>O estudo foi desenvolvido no contexto de um Programa de Pós-Graduação em Ciências Aplicadas à Atenção Hospitalar, na modalidade de mestrado profissional, vinculado a um hospital universitário de uma Universidade Federal da região Centro-Oeste do Brasil. A pesquisa foi realizada na unidade de internação pediátrica entre outubro de 2020 e fevereiro de 2021.</p>
			<p>O hospital possui 105 leitos, sendo 14 destinados à internação pediátrica clínica. A equipe assistencial da unidade é composta por sete enfermeiros, 17 técnicos de enfermagem e três auxiliares de enfermagem. O contexto de hospital de ensino constitui componente relevante da intervenção, em razão de sua função assistencial e formativa, do cenário de cuidado pediátrico clínico, com a ausência de unidade de terapia intensiva pediátrica e a baixa demanda cirúrgica.</p>
			<p>A implementação em testagem corresponde ao uso PTT como estratégia de rastreamento sistemático de eventos adversos por meio da revisão estruturada de prontuários. A PTT é uma ferramenta recomendada pelo <italic>Institute for Healthcare Improvement</italic> (IHI), utilizada para a detecção retrospectiva de eventos adversos por meio da identificação de <italic>triggers</italic> (gatilhos) associados a danos assistenciais.<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup>Além da identificação de eventos adversos, a análise dos <italic>triggers</italic> contribui para o gerenciamento de riscos assistenciais.<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup></p>
			<p>A ferramenta é composta por cinco módulos: Cuidados Gerais (11 rastreadores), Cuidados Cirúrgicos (4), Cuidados Intensivos (1), Medicação (8) e Resultados de Testes Laboratoriais (15).<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup>Neste estudo, foram aplicados os módulos de Cuidados Gerais, Medicação e Resultados de Testes Laboratoriais. Os módulos de Cuidados Intensivos e Cirúrgicos foram excluídos em função do perfil da unidade, que não dispõe de Unidade de Terapia Intensiva Pediátrica e apresenta baixa demanda de pacientes cirúrgicos. A escolha desses módulos representou uma adaptação do teste de implementação ao contexto local, buscando maior aderência ao perfil assistencial da unidade e pertinência clínica dos rastreadores.<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup></p>
			<p>A revisão dos prontuários foi realizada por duas enfermeiras previamente capacitadas, conforme orientações do IHI<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup>, e os casos identificados foram submetidos à validação clínica por médico pediatra. Esse processo seguiu protocolo padronizado, com o objetivo de diferenciar eventos adversos confirmados de manifestações clínicas relacionadas ao curso natural da doença, constituindo estratégia importante para ampliar a padronização e a confiabilidade da intervenção.</p>
			<p>Para a definição amostral, consideraram-se as recomendações do IHI,<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup>que sugere a análise de 20 prontuários por mês, selecionados por amostragem aleatória simples.<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup>Adicionalmente, o número de prontuários revisados e o tempo médio de análise foram considerados indicadores da implementação em prova.</p>
			<p>A partir de uma população de 608 prontuários elegíveis, foi obtida uma amostra final de 194 registros de crianças e adolescentes, com idades entre 28 dias e 16 anos e 11 meses de prontuários físicos de pacientes internados na unidade no ano de 2019. Foram incluídos prontuários de pacientes com tempo de internação igual ou superior a 24 horas, diagnóstico clínico definido e desfecho documentado (alta, transferência ou óbito). Foram excluídos prontuários com internações superiores a seis meses, inconsistências documentais ou pertencentes a modalidades assistenciais divergentes, como casos cirúrgicos.</p>
			<p>A testagem da implementação da PTT foi realizada de forma estruturada, contemplando as etapas de seleção da ferramenta, capacitação da equipe, teste piloto, rastreamento dos <italic>triggers</italic> e validação clínica dos eventos adversos.</p>
			<p>Para caracterizar a implementação da ferramenta, foram considerados indicadores operacionais e descritivos.<sup>(<xref ref-type="bibr" rid="B17">17</xref>)</sup>Os indicadores operacionais incluíram o número de prontuários revisados, o tempo médio de análise por prontuário, o cumprimento das etapas previstas, a capacitação da equipe e a validação clínica dos eventos.</p>
			<p>Os indicadores descritivos incluíram o número total de <italic>triggers</italic> identificados, a proporção de pacientes com pelo menos um <italic>trigger</italic>, a frequência dos principais rastreadores, a proporção de <italic>triggers</italic> confirmados como eventos adversos e a classificação da gravidade dos danos segundo a escala NCC/MERP.</p>
			<p>Neste estudo, a aplicabilidade e a viabilidade (incluindo custo-benefício) da PTT não foram mensuradas por delineamento específico, sendo isso compreendido como uma inferência interpretativa decorrente da experiência de implementação.</p>
			<p>A análise dos dados provenientes dos <italic>triggers</italic> identificados foi realizada de forma descritiva, por meio de frequências absolutas e relativas.</p>
			<p>Os rastreadores foram organizados segundo os módulos da <italic>Paediatric Trigger Tool</italic>: cuidados gerais, medicamentos e resultados laboratoriais. Em seguida, os casos foram avaliados clinicamente para verificar sua relação com a ocorrência de eventos adversos. Os eventos adversos confirmados foram classificados conforme a escala<sup>(<xref ref-type="bibr" rid="B18">18</xref>)</sup> N<italic>ational Coordinating Council for Medication Error Reporting and Prevention</italic> (NCC/MERP) de acordo com a gravidade do dano ao paciente.</p>
			<p>A taxonomia NCC/MERP,<sup>(<xref ref-type="bibr" rid="B18">18</xref>)</sup>categoriza os danos em níveis crescentes de gravidade: E (dano temporário com necessidade de intervenção), F (dano temporário com prolongamento da hospitalização), G (dano permanente), H (intervenção para manutenção da vida) e I (óbito).</p>
			<p>Como estratégias para reduzir vieses na identificação dos eventos, a coleta foi realizada por equipe previamente treinada, composta por duas enfermeiras e uma médica pediatra conforme preconiza o IHI, com realização de teste piloto antes da coleta definitiva, onde foram realizados ajustes consensuais no instrumento de extração de dados e validação dos eventos adversos em conjunto com o profissional médico da equipe.</p>
			<p>Não foi realizado cálculo formal de concordância entre revisores, sendo essa uma limitação metodológica a ser considerada. Contudo, as análises decorreram de forma coletiva, reduzindo esta limitação.</p>
			<p>Reforçamos que o foco deste estudo consistiu no processo de testagem para a implementação da PTT, visando sua reprodução e/ou adaptação em contextos hospitalares pediátricos. A descrição dos resultados estatísticos pormenorizados, incluindo fatores associados à ocorrência dos <italic>triggers</italic> e eventos adversos em pediatria, foi produto de estudo divulgado previamente.<sup>(<xref ref-type="bibr" rid="B19">19</xref>)</sup></p>
			<p>O estudo foi aprovado pelo Comitê de Ética em Pesquisa, sob o parecer nº 3.603.794/2019 (CAAE: 07626019.5.0000.5541).</p>
		</sec>
		<sec sec-type="results">
			<title>Resultados</title>
			<p>Foram analisados 194 prontuários físicos, a revisão ocorreu no período de outubro de 2020 a fevereiro de 2021. O tempo médio de análise foi de aproximadamente 10 a 20 minutos por prontuário, evidenciando um aspecto de apreciação da viabilidade operacional da ferramenta no contexto estudado.</p>
			<p>Durante a aplicação da ferramenta, foram identificados <italic>triggers</italic> e eventos adversos, o que permitiu caracterizar os principais achados decorrentes para a testagem da implementação da PTT no contexto assistencial estudado. As etapas do processo de implementação e aplicação da ferramenta estão sintetizadas no <xref ref-type="table" rid="t2">Quadro 1</xref>.</p>
			<p>
				<table-wrap id="t2">
					<label>Quadro 1</label>
					<caption>
						<title>Etapas de testagem da implementação da <italic>Paediatric Trigger Tool</italic> (PTT) no rastreamento de eventos adversos e no gerenciamento de riscos assistenciais em unidade de internação pediátrica.</title>
					</caption>
					<table frame="hsides" rules="groups">
						<colgroup>
							<col/>
							<col/>
						</colgroup>
						<thead>
							<tr>
								<th align="left" style="font-weight:normal">Etapas da testagem para implementação</th>
								<th align="left" style="font-weight:normal">Procedimentos aplicados</th>
							</tr>
						</thead>
						<tbody>
							<tr>
								<td>Seleção da ferramenta</td>
								<td>Escolha da PTT para revisão retrospectiva de prontuários, baseando-se no perfil clínico da população-alvo e reconhecimento internacional da entidade promotora da ferramenta (IHI).</td>
							</tr>
							<tr>
								<td>Capacitação da equipe</td>
								<td>Treinamento por uma das enfermeiras rastreadoras, em meio <italic>online</italic> fornecido pelo IHI para identificação de <italic>triggers</italic> e classificação dos eventos. Esta enfermeira capacitou a segunda rastreadora.</td>
							</tr>
							<tr>
								<td>Planejamento e teste piloto</td>
								<td>Aplicação da PTT em cinco prontuários para alinhamento dos critérios de rastreamento e na planilha de registros.</td>
							</tr>
							<tr>
								<td>Rastreamento dos triggers</td>
								<td>Revisão dos prontuários físicos e registro dos achados em planilha estruturada de acordo com os módulos e itens da PTT, bem como tabulação de variáveis demográficas e clínicas dos pacientes.</td>
							</tr>
							<tr>
								<td>Validação clínica dos eventos adversos</td>
								<td>Reuniões de consenso das enfermeiras com uma médica pediatra para confirmação dos eventos e classificação NCC/MERP.</td>
							</tr>
							<tr>
								<td>Conclusões da testagem da implementação</td>
								<td>Mensuração do tempo de análise de prontuários e dos resultados das aplicações (análise descritivas dos triggers e EA); inferência da equipe sobre a viabilidade e pertinência da ferramenta; apresentação da testagem para lideranças.</td>
							</tr>
						</tbody>
					</table>
					<table-wrap-foot>
						<attrib>Fonte: Elaborado pelos autores e adaptado<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup> IHI = <italic>Institute for Healthcare Improvement.</italic></attrib>
					</table-wrap-foot>
				</table-wrap>
			</p>
			<p>Dos prontuários auditados, foram identificados um total de 204 <italic>triggers</italic>. Entre os pacientes/prontuários avaliados (n=194), 107 apresentaram pelo menos um <italic>trigger</italic> durante a internação. Os rastreadores mais frequentes foram a queda superior a 25% de hemoglobina ou hematócrito e a SpO₂ &lt; 85%, seguidos pelo aumento de ureia e creatinina acima de duas vezes o valor basal.</p>
			<p>Do total de <italic>triggers</italic> identificados, 64 foram confirmados como eventos adversos, com predomínio (n=62; 96,8%) das Categorias relacionadas à danos temporários da NCC/MERP. Os principais indicadores derivados da aplicação da ferramenta estão apresentados na <xref ref-type="table" rid="t1">Tabela 1</xref>.</p>
			<p>
				<table-wrap id="t1">
					<label>Tabela 1</label>
					<caption>
						<title>Indicadores operacionais derivados da aplicação da <italic>Paediatric Trigger Tool</italic> em unidade de internação pediátrica.</title>
					</caption>
					<table frame="hsides" rules="groups">
						<colgroup>
							<col/>
							<col/>
							<col/>
						</colgroup>
						<thead>
							<tr>
								<th align="left" style="font-weight:normal">Indicadores</th>
								<th style="font-weight:normal">n (%)</th>
								<th align="left" style="font-weight:normal"> </th>
							</tr>
						</thead>
						<tbody>
							<tr>
								<td>Prontuários revisados, n(%)</td>
								<td align="center">194(100)</td>
								<td> </td>
							</tr>
							<tr>
								<td>Total de <italic>triggers</italic> identificados</td>
								<td align="center">204</td>
								<td align="center">-</td>
							</tr>
							<tr>
								<td>Média de <italic>triggers</italic> por prontuário</td>
								<td align="center">1,05</td>
								<td align="center">Mín: 0 Máx: 6</td>
							</tr>
							<tr>
								<td>Pacientes com pelo menos um <italic>trigger</italic> (n=194), n(%)</td>
								<td align="center">107 (55,2)</td>
								<td> </td>
							</tr>
							<tr>
								<td>Pacientes com evento confirmado (n=194), n(%)</td>
								<td align="center">43(22,2)</td>
								<td> </td>
							</tr>
						</tbody>
					</table>
					<table-wrap-foot>
						<attrib>Fonte: dados da pesquisa.</attrib>
					</table-wrap-foot>
				</table-wrap>
			</p>
			<p>A utilização da PTT possibilitou a padronização do rastreamento de eventos adversos, favorecendo a organização das informações e a rastreabilidade dos achados, para além da identificação dos eventos, a implementação da PTT estruturou um processo institucional de monitoramento de riscos mais sistemático, o qual foi apresentado às lideranças responsáveis. Adicionalmente, a adoção de protocolo para validação clínica contribuiu para diferenciar eventos relacionados à assistência de manifestações clínicas esperadas, conferindo maior rigor ao processo de identificação.</p>
		</sec>
		<sec sec-type="discussion">
			<title>Discussão</title>
			<p>No presente estudo, a implementação da PTT permitiu estruturar o rastreamento retrospectivo de eventos adversos na unidade pediátrica. Ao organizar a revisão de prontuários por critérios previamente definidos, a ferramenta favoreceu a produção de informações assistenciais úteis ao diagnóstico situacional e à gestão do risco.<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup></p>
			<p>Estratégias como essa devem ser incorporadas à gestão de riscos em serviços de saúde, particularmente em hospitais de ensino, que possuem papel fundamental na formação de profissionais e na promoção de uma cultura de segurança, com ênfase no uso de protocolos, diagnóstico situacional e monitoramento contínuo dos processos assistenciais, onde uma cultura de segurança fragilizada representa risco assistencial.<sup>(<xref ref-type="bibr" rid="B20">20</xref>)</sup></p>
			<p>A experiência de implementação sugeriu potencial de uso da PTT como ferramenta estruturada para revisão de prontuários, ao padronizar as etapas de identificação de <italic>triggers</italic>, análise dos registros e validação dos eventos adversos. Sua principal contribuição prática foi transformar informações assistenciais dispersas nos prontuários em dados sistematizados, capazes de apoiar o diagnóstico situacional e priorização de riscos.<sup>(<xref ref-type="bibr" rid="B15">15</xref>,<xref ref-type="bibr" rid="B21">21</xref>)</sup></p>
			<p>Dessa forma, os rastreadores não apenas identificam possíveis danos, mas também orientam a definição de prioridades para intervenções voltadas à melhoria da qualidade assistencial.<sup>(<xref ref-type="bibr" rid="B21">21</xref>)</sup></p>
			<p>A PTT também se mostrou relevante como estratégia de busca ativa, pois possibilitou identificar eventos adversos a partir da revisão estruturada de prontuários, independentemente da notificação espontânea. Esse aspecto é particularmente importante em contextos nos quais os sistemas passivos de notificação podem ser limitados pela subnotificação.<sup>(<xref ref-type="bibr" rid="B22">22</xref>)</sup>Esse cenário está, muitas vezes, associado à persistência de culturas organizacionais punitivas. Assim, a utilização da ferramenta pode favorecer uma cultura de segurança orientada ao aprendizado, na qual a identificação de eventos é compreendida como oportunidade de melhoria dos processos assistenciais.<sup>(<xref ref-type="bibr" rid="B23">23</xref>)</sup></p>
			<p>Os achados provenientes da aplicação da PTT indicaram maior frequência de <italic>triggers</italic> relacionados a alterações laboratoriais e instabilidade clínica respiratória, como queda superior a 25% de hemoglobina ou hematócrito, SpO₂ &lt; 85% e aumento de ureia e creatinina acima de duas vezes o valor basal. Esses resultados sugerem que a ferramenta foi capaz de sinalizar condições clínicas relevantes para o monitoramento da segurança do paciente pediátrico, especialmente aquelas associadas à deterioração clínica, necessidade de intervenção e maior complexidade do cuidado. Tal abordagem favorece o planejamento de intervenções mais direcionadas, incluindo o desenvolvimento de protocolos, checklists e estratégias educativas, além do fortalecimento da participação de pacientes e familiares no cuidado.<sup>(<xref ref-type="bibr" rid="B22">22</xref>,<xref ref-type="bibr" rid="B24">24</xref>)</sup></p>
			<p>Os achados também apontam para a viabilidade operacional da PTT, evidenciada pelo tempo de análise compatível com as recomendações do <italic>Institute for Healthcare Improvement</italic> <sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup> e pela possibilidade de aplicação por equipe previamente capacitada. Na prática institucional, a ferramenta poderia ser incorporada à rotina assistencial por meio de revisões periódicas de prontuários, monitoramento de indicadores de segurança, discussão dos eventos em reuniões multiprofissionais e articulação com o Núcleo de Segurança do Paciente. Essa incorporação favorece o acompanhamento contínuo dos riscos e a definição de ações educativas e preventivas direcionadas às fragilidades identificadas. O potencial de operacionalização e a integração ao processo de trabalho constituem aspectos centrais para a sustentabilidade da intervenção. Esses aspectos reforçam seu potencial de incorporação na rotina assistencial como ferramenta de apoio à gestão de riscos. <sup>(<xref ref-type="bibr" rid="B25">25</xref>)</sup></p>
			<p>A PTT não deve ser compreendida como uma estratégia isolada, mas como componente de um sistema institucional de segurança articulado a outras abordagens, como sistemas de notificação, análise de causa raiz, revisão de processos assistenciais e educação permanente. Essa integração amplia a capacidade da instituição de reconhecer padrões de risco, compreender fatores contribuintes e planejar intervenções mais efetivas. Estudos demonstram que ferramentas de rastreamento ativo, como a <italic>Global Assessment of Pediatric Patient Safety</italic> (GAPPS), apresentam maior sensibilidade na identificação de eventos adversos quando comparadas às notificações passivas,<sup>(<xref ref-type="bibr" rid="B3">3</xref>,<xref ref-type="bibr" rid="B22">22</xref>)</sup>reforçando a importância da adoção de múltiplas estratégias no monitoramento da segurança do paciente.</p>
			<p>Entre as dificuldades observadas na implementação, destacam-se a dependência da qualidade dos registros em prontuário, a necessidade de padronização do julgamento clínico entre os revisores e o tempo necessário para análise criteriosa dos casos suspeitos. Em futuras aplicações, recomenda-se ampliar a etapa de treinamento e adotar cálculo de concordância entre revisores, como forma de fortalecer a confiabilidade da identificação dos triggers e da confirmação dos eventos adversos. Recomenda-se associar outras metodologias, como a Análise de Causa Raiz, pois é considerada eficaz na identificação de falhas sistêmicas e na proposição de melhorias estruturais nos processos assistenciais.<sup>(<xref ref-type="bibr" rid="B10">10</xref>,<xref ref-type="bibr" rid="B26">26</xref>)</sup>Além disso, os efeitos de intervenções de melhoria dependem muito do contexto em que são implementadas e de uma sólida cultura de segurança.</p>
			<p>Outra limitação refere-se à qualidade dos registros em prontuário. A incompletude, a ausência de padronização ou a baixa clareza das informações registradas podem dificultar a identificação de triggers e comprometer a confirmação dos eventos adversos. Esse achado é consistente com a literatura, que aponta fragilidades nos registros assistenciais como um obstáculo para o monitoramento efetivo da segurança do paciente e à replicabilidade da intervenção em outros cenários,<sup>(<xref ref-type="bibr" rid="B27">27</xref>)</sup>no contexto da <italic>PTT</italic>, registros frágeis reduzem a sensibilidade da ferramenta e podem levar à subestimação da ocorrência de danos.</p>
			<p>Por fim, a implementação da PTT deve estar inserida em um contexto institucional que valorize a cultura de segurança, o investimento em capacitação profissional e o fortalecimento das práticas de gerenciamento de riscos. A descrição das etapas de implementação apresentada neste estudo pode contribuir para a replicação da ferramenta em outros serviços pediátricos, desde que consideradas as características locais, a disponibilidade de equipe capacitada e a qualidade dos registros assistenciais. Mais do que relatar uma experiência de rastreamento, este estudo descreve uma estratégia organizada para monitorar riscos assistenciais e subsidiar melhorias na segurança do paciente pediátrico.<sup>(<xref ref-type="bibr" rid="B15">15</xref>)</sup></p>
		</sec>
		<sec sec-type="conclusions">
			<title>Conclusão</title>
			<p>Diante da elevada vulnerabilidade da população pediátrica, a utilização da <italic>Paediatric Trigger Tool</italic> (PTT) configurou-se como estratégia promissora e sugere potencial de uso no rastreamento de eventos adversos, contribuindo para a identificação sistemática de riscos e para o fortalecimento das práticas de segurança do paciente.</p>
			<p>A testagem para a implementação sugere potencial de aplicabilidade da ferramenta em unidades pediátricas, ao favorecer a padronização da revisão de prontuários, a organização dos dados assistenciais e a fundamentação de ações de melhoria da qualidade e gerenciamento de riscos. A viabilidade da testagem implementação demandou três profissionais, sendo duas enfermeiras e uma médica. A completude de registros em prontuário também é um fator a ser considerado para a viabilidade e concreta a aplicação da ferramenta.</p>
			<p>Além disso, a experiência evidenciou que a incorporação da PTT pode subsidiar processos de educação permanente, apoiar indicadores institucionais de segurança e fortalecer a cultura de segurança nos serviços de saúde.</p>
			<p>Entretanto, sua incorporação à rotina laboral depende de condições institucionais, como apoio da gestão, investimento em capacitação profissional, disponibilidade de recursos humanos e qualidade dos registros clínicos, aspectos que foram considerados fundamentais para sua efetividade.</p>
			<p>Assim, conclui-se que este estudo oferece subsídios práticos para a implementação da PTT em unidades pediátricas, ao descrever aspectos operacionais, potencialidades e desafios relacionados ao uso da ferramenta em contexto hospitalar.</p>
		</sec>
	</body>
	<back>
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		<fn-group>
			<fn fn-type="data-availability" specific-use="data-in-article">
				<label>Disponibilidade dos dados:</label>
				<p> Os dados do estudo estão disponibilizados no presente artigo.</p>
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	</back>
	<sub-article article-type="translation" id="TRen" xml:lang="en">
		<front-stub>
			<article-id pub-id-type="doi">10.31508/1676-3793202511i</article-id>
			<article-categories>
				<subj-group subj-group-type="heading">
					<subject>ORIGINAL ARTICLE</subject>
				</subj-group>
			</article-categories>
			<title-group>
				<article-title>Implementation of the Paediatric Trigger Tool in a Pediatric Inpatient Unit</article-title>
			</title-group>
			<contrib-group>
				<contrib contrib-type="author">
					<contrib-id contrib-id-type="orcid">0000-0003-1468-4151</contrib-id>
					<name>
						<surname>Moraes</surname>
						<given-names>Rúbia Marcela Rodrigues</given-names>
					</name>
					<role>Conceptualization</role>
					<role>data curation</role>
					<role>formal analysis</role>
					<role>investigation</role>
					<role>methodology</role>
					<role>project administration</role>
					<role>Writing – original draft</role>
					<role>Writing – review &amp; editing</role>
					<xref ref-type="aff" rid="aff1001"><sup>1</sup></xref>
				</contrib>
				<contrib contrib-type="author">
					<contrib-id contrib-id-type="orcid">0000-0002-5214-5960</contrib-id>
					<name>
						<surname>Maia</surname>
						<given-names>Margani Cadore Weis</given-names>
					</name>
					<role>Writing – original draft</role>
					<role>Writing – review &amp; editing</role>
					<xref ref-type="aff" rid="aff1001"><sup>1</sup></xref>
				</contrib>
				<contrib contrib-type="author">
					<contrib-id contrib-id-type="orcid">0000-0003-3305-6812</contrib-id>
					<name>
						<surname>Souza</surname>
						<given-names>Verusca Soares de</given-names>
					</name>
					<role>Writing – original draft</role>
					<role>Writing – review &amp; editing</role>
					<xref ref-type="aff" rid="aff2001"><sup>2</sup></xref>
				</contrib>
				<contrib contrib-type="author">
					<contrib-id contrib-id-type="orcid">0009-0004-9616-4735</contrib-id>
					<name>
						<surname>Netto</surname>
						<given-names>Jéssica Monteiro Oliveira</given-names>
					</name>
					<role>Writing – original draft</role>
					<role>Writing – review &amp; editing</role>
					<xref ref-type="aff" rid="aff3001"><sup>3</sup></xref>
				</contrib>
				<contrib contrib-type="author">
					<contrib-id contrib-id-type="orcid">0000-0003-0339-9451</contrib-id>
					<name>
						<surname>Bernardino</surname>
						<given-names>Fabiane Blanco Silva</given-names>
					</name>
					<role>Writing – original draft</role>
					<role>Writing – review &amp; editing</role>
					<xref ref-type="aff" rid="aff1001"><sup>1</sup></xref>
				</contrib>
				<contrib contrib-type="author">
					<contrib-id contrib-id-type="orcid">0000-0002-1822-2360</contrib-id>
					<name>
						<surname>Oliveira</surname>
						<given-names>João Lucas Campos de</given-names>
					</name>
					<role>Conceptualization</role>
					<role>data curation</role>
					<role>formal analysis</role>
					<role>investigation</role>
					<role>methodology</role>
					<role>project administration</role>
					<role>Writing – original draft</role>
					<role>Writing – review &amp; editing</role>
					<xref ref-type="aff" rid="aff4001"><sup>4</sup></xref>
				</contrib>
			</contrib-group>
			<aff id="aff1001">
				<label>1</label>
				<country country="BR">Brazil</country>
				<institution content-type="original">Universidade Federal de Mato Grosso, Cuiabá, MT, Brazil.</institution>
			</aff>
			<aff id="aff2001">
				<label>2</label>
				<country country="BR">Brazil</country>
				<institution content-type="original">Universidade Estadual do Paraná, Paranavaí, PR, Brazil.</institution>
			</aff>
			<aff id="aff3001">
				<label>3</label>
				<country country="BR">Brazil</country>
				<institution content-type="original">Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil.</institution>
			</aff>
			<aff id="aff4001">
				<label>4</label>
				<country country="BR">Brasil</country>
				<institution content-type="original">Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brasil.</institution>
			</aff>
			<author-notes>
				<corresp id="c01001">
					<label>Corresponding author</label>: Rúbia Marcela Rodrigues | E-mail: moraesrubia4@gmail.com </corresp>
				<fn fn-type="coi-statement">
					<label>Conflicts of interest:</label>
					<p>none to declare.</p>
				</fn>
			</author-notes>
			<elocation-id>eSOBEP202511i</elocation-id>
			<abstract>
				<title>Abstract</title>
				<sec>
					<title>Objective</title>
					<p> To describe the implementation of the Paediatric Trigger Tool (PTT) for tracking adverse events in a pediatric inpatient unit.</p>
				</sec>
				<sec>
					<title>Method</title>
					<p> This is a descriptive implementation study conducted in a university hospital in the Central-West region of Brazil. The implementation was carried out in five stages between October 2020 and February 2021. A total of 194 pediatric medical records of hospitalized children and adolescents with a length of stay ≥24 hours were reviewed. The adverse events identified were classified according to the National Coordinating Council for Medication Error Reporting and Prevention (NCC/MERP) scale.</p>
				</sec>
				<sec>
					<title>Results</title>
					<p> The application of the tool enabled the identification of 204 triggers and 64 adverse events, demonstrating its feasibility for the active search of safety incidents. The mean review time was 20 minutes per medical record and required a team of three professionals.</p>
				</sec>
				<sec>
					<title>Conclusion</title>
					<p> The tool proved to be promising for monitoring pediatric patient safety and supporting risk management actions.</p>
				</sec>
			</abstract>
			<kwd-group xml:lang="en">
				<title>Keywords:</title>
				<kwd>Patient Safety</kwd>
				<kwd>Pediatric Nursing</kwd>
				<kwd>Adverse Events</kwd>
				<kwd>Risk Management</kwd>
				<kwd>Quality of Health Care</kwd>
			</kwd-group>
		</front-stub>
		<body>
			<sec sec-type="intro">
				<title>Introduction</title>
				<p>A patient safety incident involving harm is termed an adverse event (AE). It comprises any event or circumstance resulting in verifiable, unnecessary, and, in most cases, avoidable harm to a patient receiving healthcare.<sup>(<xref ref-type="bibr" rid="B1">1</xref>)</sup></p>
				<p>In the context of hospitalization, an AE constitutes an undesirable outcome, as it can lead to physical and/or psychosocial impairments, thereby impacting patients, families, healthcare professionals, and healthcare organizations.<sup>(<xref ref-type="bibr" rid="B2">2</xref>)</sup></p>
				<p>In pediatrics, the occurrence of AEs is particularly significant due to the inherent vulnerability of this population.<sup>(<xref ref-type="bibr" rid="B3">3</xref>)</sup> The physical and emotional characteristics of children and adolescents make them more susceptible to healthcare-related harm compared to the adult population.<sup>(<xref ref-type="bibr" rid="B4">4</xref>)</sup></p>
				<p>International and national evidence underscores the magnitude of this issue. In Spain,<sup>(<xref ref-type="bibr" rid="B5">5</xref>)</sup> a study conducted in a pediatric emergency unit found that 12.3% of 204 children experienced a healthcare-related safety incident; 82.1% of these events resulted in harm, and over 78% were deemed avoidable. In Brazil, although most pediatric patient safety-related events at a university hospital were classified as low severity (mild or moderate), more than 90% were considered avoidable.<sup>(<xref ref-type="bibr" rid="B6">6</xref>)</sup></p>
				<p>Despite the high frequency and preventability of AEs, their identification remains limited by weaknesses in reporting systems. Underreporting remains a significant challenge, linked to barriers such as a punitive culture, lack of awareness, absence of institutional feedback, and heavy workloads.<sup>(<xref ref-type="bibr" rid="B7">7</xref>)</sup></p>
				<p>A study conducted at a public hospital in the Central-West region revealed that only 24% of incidents were reported, particularly those involving surgical procedures and medication, underscoring the limitations of passive reporting systems.<sup>(<xref ref-type="bibr" rid="B7">7</xref>)</sup></p>
				<p>Supporting this picture, a Brazilian study on pediatric patient safety during blood component administration identified 18 incidents or AEs across 274 transfusions, with no formal reports filed during the period analyzed.<sup>(<xref ref-type="bibr" rid="B8">8</xref>)</sup></p>
				<p>Reporting systems are characterized as passive methods for identifying incidents and have limitations because they rely on spontaneous reporting by professionals and capture only a fraction of the events that actually occur.<sup>(<xref ref-type="bibr" rid="B9">9</xref>)</sup> This context highlights the need for active, systematic approaches to managing clinical risks.</p>
				<p>Given these limitations, AE tracking tools such as the Paediatric Trigger Tool (PTT),<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup> emerge as strategies for active detection. Unlike passive methods, the PTT enables a retrospective search for potential healthcare-related harm through the structured review of medical records and the identification of triggers (cues), thereby enhancing safety monitoring and supporting improvement decisions within the pediatric context.</p>
				<p>Tracking instruments like the PTT and the Global Trigger Tool,<sup>(<xref ref-type="bibr" rid="B11">11</xref>)</sup> underscore the importance of active methodologies for identifying AEs, particularly when passive systems prove insufficient.<sup>(<xref ref-type="bibr" rid="B12">12</xref>,<xref ref-type="bibr" rid="B13">13</xref>)</sup> Conversely, active incident tracking analyses potentially require greater institutional investment than passive methods, justifying the need to establish an evidence base regarding the feasibility and coherence of implementing these active approaches.</p>
				<p>Adopting the PTT falls within the scope of quality improvement interventions, as it structures risk surveillance and data generation for safe care management. In the pediatric hospital setting, this strategy can facilitate AE monitoring and the setting of priorities for risk management.<sup>(<xref ref-type="bibr" rid="B14">14</xref>)</sup></p>
				<p>In the unit under study, the absence of a structured method for the active detection of pediatric AEs, combined with a reliance on passive identification strategies, represented a significant gap in clinical risk management. Against this backdrop, the PTT was introduced as an improvement intervention aimed at enhancing patient safety monitoring, organizing the medical record review process, and generating data to guide future institutional actions for harm mitigation.</p>
				<p>Thus, this study aimed to describe the implementation of the PTT for tracking AEs in a pediatric inpatient unit.</p>
			</sec>
			<sec sec-type="methods">
				<title>Methods</title>
				<p>This is a descriptive study focused on improving the quality of care characterized as a Quality Improvement Project (QIP).<sup>(<xref ref-type="bibr" rid="B15">15</xref>)</sup> It described the implementation of the PTT as a strategy for screening for triggers and AEs in a pediatric inpatient unit. The rationale behind the classification as a QIP is that it introduces a structural change in the patient safety monitoring process.</p>
				<p>Quality Improvement Projects are interventions planned to address healthcare-related issues, focusing on the implementation and monitoring of organizational changes within healthcare services. In this context, such initiatives contribute to enhancing clinical practice and patient safety management.<sup>(<xref ref-type="bibr" rid="B15">15</xref>)</sup> Importantly, testing improvement proposals is a prerequisite for successful, lasting implementation.<sup>(<xref ref-type="bibr" rid="B16">16</xref>)</sup> The scope of this study is precisely this testing phase.</p>
				<p>In this study, the pilot implementation of the PTT was viewed as a quality improvement intervention, since it introduced a structural change to the unit’s patient safety monitoring process. The logic behind testing the intervention was based on the premise that enhancing the capacity to detect healthcare-related harm yields consistent data for situational assessment, risk prioritization, and the planning of improvement actions.</p>
				<p>The study was conducted within the framework of a Professional Master’s Program in Sciences Applied to Hospital Care, linked to a university hospital at a federal university in Brazil’s Central-West region. The research took place in the pediatric inpatient unit between October 2020 and February 2021.</p>
				<p>The hospital has 105 beds, 14 of which are designated for pediatric medical inpatients. The unit’s care team consists of seven nurses, 17 nursing technicians, and three nursing assistants. The teaching hospital setting is a key component of the intervention, given its dual role in patient care and education, and the nature of the clinical pediatric care environment, characterized by the absence of a pediatric intensive care unit, and the low volume of surgical cases.</p>
				<p>Testing implementation corresponds to the use of the PTT as a systematic tracking strategy of AEs through structured medical record reviews. The PTT is recommended by the Institute for Healthcare Improvement (IHI) for the retrospective detection of AEs by identifying triggers associated with healthcare-related harm.<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup> Beyond identifying AEs, analyzing these triggers contributes to clinical risk management.<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup></p>
				<p>The tool comprises five modules: General Care (11 screeners), Surgical Care (4), Intensive Care (1), Medication (8), and Laboratory Test Results (15).<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup> In this study, the General Care, Medication, and Laboratory Test Results modules were applied. The Intensive Care and Surgical Care modules were excluded due to the unit’s profile, as it lacks a Pediatric Intensive Care Unit and has a low volume of surgical patients. The selection of these modules was an adaptation of the implementation test to the local context, aiming for greater alignment with the unit’s care profile and the clinical relevance of the triggers.<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup></p>
				<p>Medical record reviews were conducted by two previously trained nurses, following IHI guidelines,<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup> and the identified cases underwent clinical validation by a pediatrician. This process followed a standardized protocol designed to distinguish confirmed AEs from clinical manifestations associated with the natural course of the disease, serving as a key strategy to enhance the standardization and reliability of the intervention.</p>
				<p>Sample selection was based on IHI recommendations,<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup> which suggest analyzing 20 medical records per month, chosen by simple random sampling.<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup> Additionally, the number of records reviewed and the average analysis time served as indicators for the implementation test.</p>
				<p>From a population of 608 eligible records, a final sample of 194 records was obtained, comprising the physical medical records of children and adolescents aged between 28 days and 16 years and 11 months who were hospitalized in the unit in 2019. Inclusion criteria covered records of patients with a length of stay of 24 hours or more, a defined clinical diagnosis, and a documented outcome (discharge, transfer, or death). Records were excluded if they involved hospitalizations exceeding six months, contained documentation inconsistencies, or belonged to different care modalities, such as surgical cases.</p>
				<p>The process of testing the PTT implementation was structured in the following stages: tool selection, staff training, pilot testing, trigger tracking, and clinical validation of AEs.</p>
				<p>Operational and descriptive indicators were used to characterize the tool’s implementation.<sup>(<xref ref-type="bibr" rid="B17">17</xref>)</sup> Operational indicators included the number of records reviewed, average analysis time per record, adherence to planned stages, staff training, and clinical validation of events.</p>
				<p>Descriptive indicators included the total number of triggers identified, the proportion of patients with at least one trigger, the frequency of the main triggers, the proportion of triggers confirmed as AEs, and the classification of harm severity according to the National Coordinating Council for Medication Error Reporting and Prevention (NCC/MERP) scale.</p>
				<p>In this study, the applicability and feasibility (including cost-effectiveness) of the PTT were not measured with use of a specific study design. These aspects were assessed through interpretive inferences drawn from the implementation experience.</p>
				<p>Data derived from the identified triggers were analyzed descriptively using absolute and relative frequencies.</p>
				<p>The trackers were organized according to the PTT modules: general care, medications, and laboratory results. Subsequently, the cases underwent clinical evaluation to determine their association with the occurrence of AEs. Confirmed AEs were classified using the<sup>(<xref ref-type="bibr" rid="B18">18</xref>)</sup> NCC/MERP scale based on the severity of patient harm.</p>
				<p>The NCC/MERP taxonomy,<sup>(<xref ref-type="bibr" rid="B18">18</xref>)</sup> categorizes harm into increasing levels of severity: E (temporary harm requiring intervention), F (temporary harm prolonging hospitalization), G (permanent harm), H (intervention to sustain life), and I (death).</p>
				<p>To minimize bias in event identification, data collection was carried out by a previously trained team comprising two nurses and a pediatrician, in accordance with IHI recommendations. A pilot test preceded the definitive data collection, allowing for consensus-based adjustments to the data extraction instrument and the validation of AEs in collaboration with the team’s physician.</p>
				<p>No formal calculation of inter-rater agreement was performed, which constitutes a methodological limitation to be considered. However, the analyses were conducted collaboratively, thereby mitigating this limitation.</p>
				<p>We emphasize that the focus of this study was the process of testing the PTT implementation, aiming to facilitate its replication and/or adaptation in pediatric hospital settings. The detailed description of statistical results, including factors associated with the occurrence of triggers and AEs in pediatrics, was derived from a previously published study.<sup>(<xref ref-type="bibr" rid="B19">19</xref>)</sup></p>
				<p>The study was approved by the Research Ethics Committee (opinion number 3.603.794/2019; CAAE 07626019.5.0000.5541).</p>
			</sec>
			<sec sec-type="results">
				<title>Results</title>
				<p>In the review process, a total of 194 physical medical records were analyzed between October 2020 and February 2021. The average analysis time was approximately 10 to 20 minutes per record, highlighting an assessment of the tool’s operational feasibility within the context studied.</p>
				<p>During the application of the tool, triggers and AEs were identified, allowing for the characterization of key findings regarding the testing of PTT implementation in the studied care setting. The stages of the implementation process and the application of the tool are summarized in <xref ref-type="table" rid="t2001">Chart 1</xref>.</p>
				<p>
					<table-wrap id="t2001">
						<label>Chart 1</label>
						<caption>
							<title>Stages of testing the implementation of the Paediatric Trigger Tool (PTT) for adverse event screening and clinical risk management in a pediatric inpatient unit.</title>
						</caption>
						<table frame="hsides" rules="groups">
							<colgroup>
								<col/>
								<col/>
							</colgroup>
							<thead>
								<tr>
									<th align="left" style="font-weight:normal">Implementation testing stages</th>
									<th align="left" style="font-weight:normal">Procedures implemented</th>
								</tr>
							</thead>
							<tbody>
								<tr>
									<td>Tool selection</td>
									<td>Selection of the PTT for retrospective medical record review, based on the target population’s clinical profile and the international recognition of the tool’s developer (IHI).</td>
								</tr>
								<tr>
									<td>Staff training</td>
									<td>Training provided by one of the nurse reviewers using an online platform supplied by the IHI for identifying triggers and classifying events. This nurse subsequently trained the second reviewer.</td>
								</tr>
								<tr>
									<td>Planning and pilot testing</td>
									<td>Application of the PTT to five medical records to align the tracking criteria and the data recording spreadsheet.</td>
								</tr>
								<tr>
									<td>Trigger tracking</td>
									<td>Review of physical medical records and documentation of findings in a spreadsheet structured according to PTT modules and items, alongside the tabulation of patient demographic and clinical variables.</td>
								</tr>
								<tr>
									<td>Clinical validation of adverse events</td>
									<td>Consensus meetings involving the nurses and a pediatrician to confirm events and assign NCC/MERP categories.</td>
								</tr>
								<tr>
									<td>Implementation testing conclusions</td>
									<td>Measurement of the time required for the analysis of medical records and application results (descriptive analysis of triggers and AEs); team assessment regarding the tool’s feasibility and relevance; presentation of the pilot testing results to leadership.</td>
								</tr>
							</tbody>
						</table>
						<table-wrap-foot>
							<fn id="TFN1001">
								<p>IHI = <italic>Institute for Healthcare Improvement.</italic></p>
							</fn>
							<attrib>Source: Prepared by the authors and adapted<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup></attrib>
						</table-wrap-foot>
					</table-wrap>
				</p>
				<p>A total of 204 triggers were identified across the audited medical records. Among the patients/records evaluated (n=194), 107 presented at least one trigger during their hospital stay. The most frequent triggers were a drop of more than 25% in hemoglobin or hematocrit levels and SpO₂ &lt; 85%, followed by a rise in urea and creatinine levels to more than twice the baseline value.</p>
				<p>Of the total triggers identified, 64 were confirmed as AEs, with a predominance (n=62; 96.8%) of categories related to temporary harm according to the NCC/MERP classification. The main indicators derived from the tool’s application are presented in <xref ref-type="table" rid="t1001">Table 1</xref>.</p>
				<p>
					<table-wrap id="t1001">
						<label>Table 1</label>
						<caption>
							<title>Operational indicators derived from the application of the Paediatric Trigger Tool in a pediatric inpatient unit.</title>
						</caption>
						<table frame="hsides" rules="groups">
							<colgroup>
								<col/>
								<col/>
								<col/>
							</colgroup>
							<thead>
								<tr>
									<th align="left" style="font-weight:normal">Indicators</th>
									<th style="font-weight:normal">n (%)</th>
									<th align="left" style="font-weight:normal"> </th>
								</tr>
							</thead>
							<tbody>
								<tr>
									<td>Medical records reviewed, n(%)</td>
									<td align="center">194(100)</td>
									<td> </td>
								</tr>
								<tr>
									<td>Total triggers identified</td>
									<td align="center">204</td>
									<td align="center">-</td>
								</tr>
								<tr>
									<td>Mean triggers per medical record</td>
									<td align="center">1.05</td>
									<td align="center">Min: 0 Max: 6</td>
								</tr>
								<tr>
									<td>Patients with at least one trigger (n=194), n(%)</td>
									<td align="center">107(55.2)</td>
									<td> </td>
								</tr>
								<tr>
									<td>Patients with a confirmed adverse event (n=194), n(%)</td>
									<td align="center">43(22.2)</td>
									<td> </td>
								</tr>
							</tbody>
						</table>
						<table-wrap-foot>
							<attrib>Source: research data.</attrib>
						</table-wrap-foot>
					</table-wrap>
				</p>
				<p>The use of the PTT enabled the standardization of AE tracking, facilitating information organization and the traceability of findings. Beyond merely identifying events, PTT implementation structured a more systematic institutional risk monitoring process, which was presented to the relevant leadership. Additionally, the adoption of a clinical validation protocol helped distinguish healthcare-related events from expected clinical manifestations, adding greater rigor to the identification process.</p>
			</sec>
			<sec sec-type="discussion">
				<title>Discussion</title>
				<p>In the present study, the implementation of the PTT enabled the structuring of retrospective AE tracking in the pediatric unit. By organizing medical record reviews based on predefined criteria, the tool facilitated the generation of clinical information useful for situational assessment and risk management.<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup></p>
				<p>Strategies such as this should be incorporated into risk management in healthcare services, particularly in teaching hospitals, which play a fundamental role in professional training and the promotion of a safety culture. This involves emphasizing the use of protocols, situational assessment, and continuous monitoring of care processes, as a weak safety culture poses a risk to patient care.<sup>(<xref ref-type="bibr" rid="B20">20</xref>)</sup></p>
				<p>The implementation experience suggested the potential of using the PTT’s as a structured tool for medical record review, as it standardized the stages of trigger identification, record analysis, and AE validation. Its primary practical contribution was transforming scattered clinical information from medical records into systematized data capable of supporting situational assessment and risk prioritization.<sup>(<xref ref-type="bibr" rid="B15">15</xref>,<xref ref-type="bibr" rid="B21">21</xref>)</sup></p>
				<p>Thus, the triggers not only identify potential harm, but also guide the setting of priorities for interventions aimed at improving care quality.<sup>(<xref ref-type="bibr" rid="B21">21</xref>)</sup></p>
				<p>The PTT also proved relevant as an active surveillance strategy, enabling the identification of AEs through structured medical record reviews, independent of spontaneous reporting. This aspect is particularly important in contexts where passive reporting systems may be limited by underreporting.<sup>(<xref ref-type="bibr" rid="B22">22</xref>)</sup> Such scenarios are often associated with the persistence of punitive organizational cultures. Consequently, using this tool can foster a learning-oriented safety culture, where event identification is viewed as an opportunity to improve care processes.<sup>(<xref ref-type="bibr" rid="B23">23</xref>)</sup></p>
				<p>Findings from the PTT application indicated a higher frequency of triggers related to laboratory abnormalities and respiratory clinical instability, such as a drop of more than 25% in hemoglobin or hematocrit, SpO₂ &lt; 85%, and urea and creatinine levels rising to more than twice the baseline value. These results suggest that the tool effectively flagged clinical conditions relevant to pediatric patient safety monitoring, particularly those associated with clinical deterioration, the need for intervention, and higher care complexity. This approach facilitates the planning of more targeted interventions, including the development of protocols, checklists, and educational strategies, and strengthens patient and family participation in care.<sup>(<xref ref-type="bibr" rid="B22">22</xref>,<xref ref-type="bibr" rid="B24">24</xref>)</sup></p>
				<p>The findings also highlight the operational feasibility of the PTT, evidenced by an analysis time consistent with the IHI recommendations<sup>(<xref ref-type="bibr" rid="B10">10</xref>)</sup> and the fact that it can be applied by a previously trained team. In institutional practice, the tool could be integrated into routine care through periodic medical record reviews, safety indicator monitoring, discussion of events in multidisciplinary meetings, and coordination with the Patient Safety Unit. This incorporation facilitates continuous risk monitoring and the definition of educational and preventive actions targeting identified vulnerabilities. Operational feasibility and integration into the workflow are key factors for the intervention’s sustainability. These aspects reinforce its potential to be incorporated into routine clinical practice as a tool to support risk management.<sup>(<xref ref-type="bibr" rid="B25">25</xref>)</sup></p>
				<p>The PTT should not be viewed as a standalone strategy but rather as a component of an institutional safety system linked to other approaches, such as incident reporting systems, Root Cause Analysis, review of care processes, and continuing education. This integration enhances the institution’s ability to recognize risk patterns, understand contributing factors, and plan more effective interventions. Studies show that active screening tools, such as the Global Assessment of Pediatric Patient Safety (GAPPS), offer greater sensitivity in identifying AEs compared to passive reporting systems,<sup>(<xref ref-type="bibr" rid="B3">3</xref>,<xref ref-type="bibr" rid="B22">22</xref>)</sup> underscoring the importance of adopting multiple strategies for patient safety monitoring.</p>
				<p>Key challenges observed during implementation include reliance on the quality of medical record documentation, the need to standardize clinical judgment among reviewers, and the time required for a thorough analysis of suspected cases. For future applications, it is recommended to expand training and calculate inter-rater agreement to strengthen the reliability of trigger identification and AE confirmation. Combining this with other methodologies, such as Root Cause Analysis, is also recommended, as the latter is considered effective for identifying systemic failures and proposing structural improvements to care processes.<sup>(<xref ref-type="bibr" rid="B10">10</xref>,<xref ref-type="bibr" rid="B26">26</xref>)</sup> Furthermore, the impact of improvement interventions depends heavily on the implementation context and the presence of a robust safety culture.</p>
				<p>Another limitation concerns the quality of medical record documentation. Incomplete, non-standardized, or unclear recorded information can hinder the identification of triggers and compromise the confirmation of AEs. This finding aligns with the literature, which identifies weaknesses in clinical documentation as an obstacle to effective patient safety monitoring and the replicability of the intervention in other settings.<sup>(<xref ref-type="bibr" rid="B27">27</xref>)</sup> In the context of the PTT, poor documentation reduces the tool’s sensitivity and may lead to an underestimation of the occurrence of harm.</p>
				<p>Finally, the PTT implementation must take place within an institutional context that values a safety culture, investment in professional training, and the strengthening of risk management practices. The description of implementation steps presented in this study can facilitate the tool’s replication in other pediatric services, provided that local characteristics, the availability of trained staff, and the quality of clinical documentation are taken into account. More than simply reporting a screening experience, this study describes an organized strategy to monitor clinical risks and support improvements in pediatric patient safety.<sup>(<xref ref-type="bibr" rid="B15">15</xref>)</sup></p>
			</sec>
			<sec sec-type="conclusions">
				<title>Conclusion</title>
				<p>Given the high vulnerability of the pediatric population, the use of the PTT proved to be a promising strategy, showing potential for screening AEs and contributing to the systematic identification of risks and the strengthening of patient safety practices.</p>
				<p>Pilot testing suggests the tool is applicable in pediatric units, as it fosters standardized medical record reviews, organized clinical data, and a foundation for quality improvement and risk management actions. The pilot implementation required three professionals: two nurses and one physician. The completeness of medical record documentation is also a factor to consider regarding the feasibility and actual application of the tool.</p>
				<p>Furthermore, the experience demonstrated that incorporating PTT can support continuing education processes, bolster institutional safety indicators, and strengthen the safety culture within healthcare services.</p>
				<p>However, its integration into daily work routines depends on institutional conditions, such as management support, investment in professional training, the availability of human resources, and the quality of clinical records, all of which were deemed essential for its effectiveness.</p>
				<p>Thus, this study offers practical insights for implementing the PTT in pediatric units by describing the operational aspects, potential, and challenges associated with using the tool in a hospital setting.</p>
			</sec>
		</body>
		<back>
			<fn-group>
				<fn fn-type="data-availability" specific-use="data-in-article">
					<label>Data availability:</label>
					<p> The study data are available in this article.</p>
				</fn>
			</fn-group>
		</back>
	</sub-article>
</article>