Fatores prognósticos associados ao SAPS 3 e APACHE II em pacientes idosos admitidos em unidade de terapia intensiva
DOI:
https://doi.org/10.11606/issn.2176-7262.v52i4p277-285Palavras-chave:
Fatores Prognósticos, Mortalidade, Idosos, Unidade de Terapia Intensiva, SAPS 3, APACHE IIResumo
Modelo de estudo: estudo descritivo, coorte prospectiva. Objetivos: identificar os fatores de risco associados ao escore SAPS 3 e APACHE II para melhorar a predição de mortalidade em idosos internados em unidade de terapia intensiva (UTI). Metodologia: estudo de coorte com 174 idosos internados em UTI no período de julho de 2016 a junho de 2017. As principais variáveis independentes analisadas foram: presença de hiperglicemia de estresse, necessidade de ventilação mecânica invasiva (VMI), insuficiência renal aguda, nível de consciência e uso de vasopressores. Os desfechos estudados foram morte e alta hospitalar. Resultados: A mortalidade na UTI e hospitalar foi de 17,8% e 29,8%, respectivamente. A análise multivariada de fatores associados à morte hospitalar não contemplada na obtenção do SAPS 3 demonstrou que a VMI, Doença Pulmonar Obstrutiva Crônica (DPOC) e Pressão Arterial Média (PAM) <70 mmHg melhoraram a predição de mortalidade. O teste de Hosmer-Lemeshow (p = 0,472) e a área sob curva ROC = 0,80 (IC95%: 0,731-0,872) confirmaram, respectivamente, calibração adequada e poder discriminatório aceitável a excelente para este modelo. VMI e DPOC também foram fatores associados ao escore APACHE II na predição de mortalidade com calibração adequada (p = 0,471) e poder discriminatório aceitável-a-excelente (área sob curva ROC = 0,80 [IC95%: 0,730-0,868]). Conclusão: VMI, DPOC e PAM <70 mmHg foram associados ao SAPS3 e ao APACHE II para predizer mortalidade em idosos internados em UTI.
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