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Objetivo: evaluar la asociación entre las categorías de clasificación de riesgo y el Modified Early Warning Score y los resultados de los pacientes con COVID-19 en el servicio de emergencia Método: estudio transversal, realizado con 372 pacientes hospitalizados con diagnóstico de COVID-19 atendidos en la Recepción con Clasificación de Riesgo en Urgencias. En este estudio, el Modified Early Warning Score de los pacientes se clasificó como sin y con deterioro clínico, de 0 a 4 y de 5 a 9, respectivamente. Se consideró que había deterioro clínico cuando presentaban insuficiencia respiratoria aguda, shock y paro cardiorrespiratorio. Resultados: el Modified Early Warning Score promedio fue de 3,34. En cuanto al deterioro clínico de los pacientes, se observó que en el 43% de los casos el tiempo de deterioro fue menor a 24 horas y que el 65,9% ocurrió en urgencias. El deterioro más frecuente fue la insuficiencia respiratoria aguda (69,9%) y el resultado fue alta hospitalaria (70,3%). Conclusión: los pacientes con COVID-19 que presentaban Modified Early Warning Score 4 se asociaron a las categorías de clasificación de riesgo urgente, muy urgente y emergente y tuvieron más deterioro clínico, como insuficiencia respiratoria y shock, y murieron, lo que demuestra que el Protocolo de Clasificación de Riesgo priorizó correctamente a los pacientes con riesgo vital.

Objective: to evaluate the association of the risk classification categories with the Modified Early Warning Score and the outcomes of COVID-19 patients in the emergency service Method: a crosssectional study carried out with 372 patients hospitalized with a COVID-19 diagnosis and treated at the Risk Classification Welcoming area from the Emergency Room. In this study, the patients' Modified Early Warning Score was categorized into without and with clinical deterioration, from 0 to 4 and from 5 to 9, respectively. Clinical deterioration was considered to be acute respiratory failure, shock and cardiopulmonary arrest Results: the mean Modified Early Warning Score was 3.34. In relation to the patients' clinical deterioration, it was observed that, in 43%, the time for deterioration was less than 24 hours and that 65.9% occurred in the Emergency Room. The most frequent deterioration was acute respiratory failure (69.9%) and the outcome was hospital discharge (70.3%). Conclusion: COVID-19 patients who had a Modified Early Warning Scores > 4 were associated with the urgent, very urgent and emergency risk classification categories, had more clinical deterioration, such as respiratory failure and shock, and evolved more to death, which shows that the Risk Classification Protocol correctly prioritized patients at risk of life.

Objetivo: avaliar a associação das categorias de classificação de risco com o Modified Early Warning Score e os desfechos dos pacientes com COVID-19 no serviço de emergência Método: estudo transversal, realizado com 372 pacientes internados com diagnóstico de COVID-19 atendidos no Acolhimento com Classificação de Risco no Pronto-Atendimento. Neste estudo, o Modified Early Warning Score dos pacientes foi categorizado em sem e com deterioração clínica, de 0 a 4 e de 5 a 9, respectivamente. Foram consideradas deteriorações clínicas a insuficiência respiratória aguda, choque e parada cardiorrespiratória. Resultados: o Modified Early Warning Score médio foi de 3,34. Em relação à deterioração clínica dos pacientes, observou-se que em 43% o tempo para deterioração foi menor de 24 horas e que 65,9% delas ocorreu no pronto-socorro. A deterioração mais frequente foi a insuficiência respiratória aguda (69,9%) e o desfecho foi o de alta hospitalar (70,3%). Conclusão: pacientes com COVID-19 que tiveram Modified Early Warning Score 4 foram associados às categorias da classificação de risco urgente, muito urgente e emergente e tiveram mais deterioração clínica, como a insuficiência respiratória e o choque, e evoluíram mais a óbito, o que demonstra que o Protocolo de Classificação de Risco priorizou corretamente os pacientes com risco de vida.

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OBJECTIVE: To assess the MEWS association with the clinical outcomes (CO) of patients admitted to an internal medicine ward (IMW) at a Brazilian university hospital (UH). INTRODUCTION: It is important to quickly identify patients with clinical deterioration, especially in wards. The health team must recognize and act before the situation becomes an adverse event. In Brazil, nurses' work to overcome performance myths and the application of standardized predictive scales for patients in wards is still limited. DESIGN: An observational cohort study designed and developed by a registered nurse that followed the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) checklist. METHODS: Data were collected from the IMW of a UH located in the city of São Paulo, Brazil (2017). An ROC curve was calculated to strengthen the use of a MEWS of < or ≥ 4 as a cutoff. CO of the two subgroups were compared. RESULTS: Three hundred patients completed the study; their vital signs were recorded consecutively throughout hospitalization in the IMW. The highest MEWS value each day was considered for analysis. Scores < 4 were significantly associated with a higher probability of hospital discharge, a lower chance of transfer to the ICU, a lower total number of days of hospitalization, and a lower risk of death. Score ≥ 4 had worse CO (orotracheal intubation and cardiac monitoring), transfer to the ICU, and increased risk of death. CONCLUSION: Scores < 4 were associated with positive outcomes, while scores ≥ 4 were associated with negative outcomes. MEWS can help prioritize interventions, increase certainty in decision-making, and improve patient safety, especially in a teaching IMW with medical teams undergoing professional development, thereby ensuring the central role of the nursing team in Brazil. RELEVANCE FOR CLINICAL PRACTICE: MEWS aid nurses in identifying and managing patients, prioritizing interventions through assertive decision-making.

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RESUMO Objetivo: Verificar se há associação entre o Modified Early Warning Score antes da transferência da emergência para enfermaria e o óbito ou a admissão na unidade de terapia intensiva em 30 dias. Métodos: Trata-se de estudo de coorte histórica desenvolvido em hospital de alta complexidade do Sul do Brasil com pacientes transferidos da emergência para a enfermaria entre os meses de janeiro e junho de 2017. Foram coletados: variáveis sociodemográficas, comorbidades pelo índice de Charlson, motivo da internação hospitalar, pontuação do Modified Early Warning Score no momento da transferência, internação na unidade de terapia intensiva, atendimento pelo Time de Resposta Rápida, mortalidade em 30 dias e mortalidade hospitalar. Resultados: Foram incluídos 278 pacientes no estudo. Em relação ao Modified Early Warning Score, os pacientes com óbito em 30 dias apresentaram escore significativamente maior do que os pacientes sobreviventes nesse período (2,0 [1,0 - 3,0] versus 1,0 [1,0 - 2,0], respectivamente; p = 0,006). As áreas sob a curva Característica de Operação do Receptor para óbito em 30 dias e para admissão na UTI foram 0,67 (0,55 - 0,80; p = 0,012) e 0,72 (0,59 - 0,84; p = 0,02), respectivamente, com ponto de corte do Modified Early Warning Score ≥ 2. Na regressão de Cox, o Modified Early Warning Score apresentou associação independente com mortalidade em 30 dias, após ajuste multivariável (hazard ratio 2,91; intervalo de confiança de 95% 1,04 - 8,13). Conclusão: O Modified Early Warning Score antes da transferência intra-hospitalar da emergência para enfermaria está associado com admissão na unidade de terapia intensiva e óbito em 30 dias. Calcular o Modified Early Warning Score pode ser um indicador importante para acompanhamento desses pacientes, permitindo ações específicas da equipe receptora.

Abstract Objective: To verify whether there is an association between the Modified Early Warning Score before the transfer from the emergency room to the ward and death or admission to the intensive care unit within 30 days. Methods: This is a historical cohort study conducted in a high-complexity hospital in southern Brazil with patients who were transferred from the emergency room to the ward between January and June 2017. The following data were collected: sociodemographic variables; comorbidities, as determined by the Charlson index; reason for hospitalization; Modified Early Warning Score at the time of transfer; admission to the intensive care unit; care by the Rapid Response Team; mortality within 30 days; and hospital mortality. Results: A total of 278 patients were included in the study. Regarding the Modified Early Warning Score, patients who died within 30 days had a significantly higher score than surviving patients during this period (2.0 [1.0 - 3.0] versus 1.0 [1.0 - 2.0], respectively; p = 0.006). The areas under the receiver operating characteristic curve for death within 30 days and for ICU admission were 0.67 (0.55 - 0.80; p = 0.012) and 0.72 (0.59 - 0.84; p = 0.02), respectively, with a Modified Early Warning Score cutoff of ≥ 2. In the Cox regression, the Modified Early Warning Score was independently associated with mortality within 30 days after multivariate adjustment (hazard ratio 2.91; 95% confidence interval 1.04 - 8.13). Conclusion: The Modified Early Warning Score before intrahospital transfer from the emergency room to the ward is associated with admission to the intensive care unit and death within 30 days. The Modified Early Warning Score can be an important indicator for monitoring these patients and can prompt the receiving team to take specific actions.

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RESUMO Objetivo: Avaliar a hipótese de que o Modified Early Warning Score (MEWS) por ocasião da alta da unidade de terapia intensiva associa-se com readmissão, e identificar o nível desse escore que prediz com maior confiabilidade a readmissão à unidade de terapia intensiva dentro de 48 horas após a alta. Métodos: Este foi um estudo observacional retrospectivo a respeito do MEWS de pacientes que receberam alta da unidade de terapia intensiva. Comparamos dados demográficos, escores de severidade, características da doença crítica e MEWS de pacientes readmitidos e não readmitidos. Identificamos os fatores associados com a readmissão em um modelo de regressão logística. Construímos uma curva Característica de Operação do Receptor para o MEWS na predição da probabilidade de readmissão. Por fim, apresentamos o critério ideal com maior sensibilidade e especificidade. Resultados: A taxa de readmissões foi de 2,6%, e o MEWS foi preditor significante de readmissão, juntamente do tempo de permanência na unidade de terapia intensiva acima de 10 dias e traqueostomia. A curva Característica de Operação do Receptor relativa ao MEWS para predizer a probabilidade de readmissão teve área sob a curva de 0,82, e MEWS acima de 6 teve sensibilidade de 0,78 (IC95% 0,66 - 0,9) e especificidade de 0,9 (IC95% 0,87 - 0,93). Conclusão: O MEWS associa-se com readmissão à unidade de terapia intensiva, e o escore acima de 6 teve excelente precisão como preditor prognóstico.

ABSTRACT Objective: To evaluate the hypothesis that the Modified Early Warning Score (MEWS) at the time of intensive care unit discharge is associated with readmission and to identify the MEWS that most reliably predicts intensive care unit readmission within 48 hours of discharge. Methods: This was a retrospective observational study of the MEWSs of discharged patients from the intensive care unit. We compared the demographics, severity scores, critical illness characteristics, and MEWSs of readmitted and non-readmitted patients, identified factors associated with readmission in a logistic regression model, constructed a Receiver Operating Characteristic (ROC) curve of the MEWS in predicting the probability of readmission, and presented the optimum criterion with the highest sensitivity and specificity. Results: The readmission rate was 2.6%, and the MEWS was a significant predictor of readmission, along with intensive care unit length of stay > 10 days and tracheostomy. The ROC curve of the MEWS in predicting the readmission probability had an AUC of 0.82, and a MEWS > 6 carried a sensitivity of 0.78 (95%CI 0.66 - 0.9) and specificity of 0.9 (95%CI 0.87 - 0.93). Conclusion: The MEWS is associated with intensive care unit readmission, and a score > 6 has excellent accuracy as a prognostic predictor.

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