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Master's Dissertation
DOI
https://doi.org/10.11606/D.5.2014.tde-08122014-151547
Document
Author
Full name
Sandra Christina Pereira Lima Shiramizo
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2014
Supervisor
Committee
Eluf Neto, Jose (President)
Soares, Marcio
Souza, Heraldo Possolo de
Title in Portuguese
O fluxo de paciente séptico dentro da instituição como fator prognóstico independente de letalidade
Keywords in Portuguese
Choque séptico
Comorbidade
Mortalidade hospitalar
Prognóstico
Sepse
Tempo de internação
Abstract in Portuguese
Sepse é causa comum de óbito, e vários fatores prognósticos têm sido identificados. Entretanto, é possível que a rota do paciente séptico no hospital também tenha efeito sobre o prognóstico. Nosso objetivo foi verificar se a rota do paciente séptico antes da admissão na UTI tem efeito sobre a letalidade hospitalar. Métodos Foi realizado um estudo de coorte retrospectiva com 489 pacientes com sepse grave ou choque séptico (idade >=18 anos), internados na Unidade de Terapia Intensiva. Analisamos se a rota está associada a mortalidade hospitalar usando modelo de regressão de Cox com variância robusta. Resultados Dos 489 pacientes, 207 (42,3%) foram diagnosticados com sepse na Unidade de Pronto Atendimento (UPA), 185 (37,8%) em unidade de internação clínica ou cirúrgica (Clínica Médica Cirúrgica - CMC), 56 (13,3%) em Unidade Semi-Intensiva (USI) e 32 (6,5%) em Unidade Terapia Intensiva.(UTI). A maioria (56,6%) dos pacientes era do sexo masculino, a idade média foi de 66,3 anos, 39,8% tinham APACHE II de 25 ou mais, e 77,5% tinham o diagnóstico de choque séptico. A letalidade foi 41,9%. Na análise multivariada com ajuste para diversos fatores prognósticos, incluindo tempo de internação hospitalar antes da admissão na UTI, não houve diferença estatisticamente significativa no risco de óbito entre pacientes com sepse grave diagnosticada na UPA ou CMC (risco relativo [RR] 1,36; intervalo de confiança [IC] 95% 1,00 a 1,83). Porém, o risco de óbito hospitalar foi maior nos pacientes em que a sepse grave foi diagnosticada na USI ou UTI (RR 1,64; IC 95% 1,20 a 2,25). Conclusão A mortalidade dos pacientes com sepse grave ou choque séptico atendidos na CMC é similar à de pacientes com sepse diagnosticada na UPA. Entretanto, o risco de óbito hospitalar foi maior nos pacientes que desenvolveram sepse na USI ou UTI
Title in English
The route of septic patients as an independent prognostic factor for mortality
Keywords in English
Comorbidity
Hospital mortality
Length of stay
Prognosis
Sepsis
Septic shock
Abstract in English
Sepsis is a common cause of death. Several predictors of hospital mortality have been identified. However, it is possible that the route the septic patient takes within the hospital may also affect endpoints. Thus, our main objective was to verify whether the routes of septic patients before being admitted to ICU affect their in-hospital mortality. Methods Retrospective cohort study of 489 patients with severe sepsis or septic shock (age >= 18 years) admitted to the Intensive Care Unit. We analyzed the impact of route on in-hospital mortality using Cox regression with robust variance. Results Of 489 patients, 207 (42.3%) presented with severe sepsis in the ED, 185 (37.8%) were diagnosed with severe sepsis in the ward, 56 (13.3%) in the step down unit and 32 (6.5%) in the ICU. The mortality rate was 41.9%. The mean age was 66.3 years, and 56.6% were men. APACHE II scores were >25 in 39.8% of patients, and 77.5% were diagnosed with septic shock. In the multivariate analysis, with adjustment for several prognostic factors including length of hospital stay before ICU admission, there was no statistically significant difference in the risk of death between patients who had severe sepsis diagnosed in the ED compared to CMC (relative risk [RR] 1,36; IC 95% 1,00 a 1,83). However, the risk of death was increased in patients who had severe sepsis diagnosed in the step-down unit or ICU (RR 1,64; IC 95% 1,20 a 2,25). Conclusion Patients who have severe sepsis or septic shock diagnosed in the CMC have in-hospital mortality similar to those who present with severe sepsis or septic shock in the ED. However, patients who develop severe sepsis in the step-down unit or ICU have higher mortality
 
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Publishing Date
2014-12-08
 
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