Influence of sedation on morbidity and mortality in the intensive care unit

Sao Paulo Medical Journal

Geraldo Rolim Rodrigues Junior¹  José Luiz Gomes Do Amaral² 

[1] ,Universidade Federal de São Paulo Escola Paulista de Medicina Department of SurgerySão Paulo,Brazil

关键词: Intensive care unit;    Complications;    APACHE;    Mortality;    Complicações;    Mortalidade hospitalar;    APACHE;    Unidades de terapia intensiva;    Cuidados intensivos;   

DOI  :  10.1590/S1516-31802004000100003

来源: SciELO

【 摘 要 】

CONTEXT: Although 30 to 50% of hospitalized patients in a critical care unit are under sedation, there is sparse data on the impact of sedation on morbidity and case-fatality rates in Brazil. Sedation is associated with higher risks of infection and death rate among patients. However, it is difficult to assess the clinical impact of sedation. OBJECTIVE: To evaluate the impact of sedation on the incidence of nosocomial infection and all-cause deaths at a critical care unit. TYPE OF STUDY: Prospective study. SETTING: Tertiary-care teaching hospital. PARTICIPANTS: After the exclusion of patients hospitalized for less than 24 hours, 307 patients were assigned to two groups, considering their states of sedation. After confirmation of heterogeneity in relation to the Acute Physiology and Chronic Health Evaluation (APACHE II) prognostic system, 97 sedated and 97 non-sedated patients were matched in relation to this severity index. MAIN MEASUREMENTS: Impact of sedation on deep venous thrombosis, incidence of decubital eschars, presence of infection, mortality and length of hospital stay. RESULTS: There was no difference in the incidence of deep venous thrombosis between the sedated and non-sedated groups, while the frequency of decubital eschars was significantly higher among sedated patients (p = 0.03). Infection was detected in 45.4% of patients under sedation and 21.6% of patients not under sedation (p = 0.006). Mortality for patients that did not receive any kind of sedative was 20.6% and, for those that were sedated during hospitalization, the rate was 52.6% (p < 0.0001). The sedated patients had longer hospitalization (11 vs. 4 days) (p < 0.0001). CONCLUSION: We concluded that sedation is associated with higher infection risk and case-fatality rate, and longer hospital stay.

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