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  • Title: [Mortality risk factors in critical surgical patients].
    Author: López Aguila SC, Diosdado Iraola Ferrer M, Alvarez Li FC, Dávila Cabo de Villa E, Alvarez Barzaga MC.
    Journal: Rev Esp Anestesiol Reanim; 2000; 47(7):281-6. PubMed ID: 11002711.
    Abstract:
    OBJECTIVE: To determine mortality risk factors for critically ill postoperative patients. PATIENTS: Two hundred eleven patients undergoing any type of surgery admitted to the intensive care unit (ICU) over a period of one year were enrolled. METHOD: We performed a cross-sectional study that was retrospective for pre- and intraoperative observations and prospective for ICU observations. A univariate analysis was performed and relative risk (95% CI) was calculated. Multivariate analysis was also performed and the adjusted odds ratio calculated (95% CI). The end point of measurement was death in the ICU. RESULTS: The independent risk factors for mortality were age 60 years (OR: 2.8; 95% CI 1.36-5.09), physical status ASA-V (OR: 9.66; 95% CI 5.62-14.31), intracranial surgery to treat severe head injury (OR: 5.33; 95% CI 3.08-9.47), hemorrhagic shock during surgery (OR: 5.20; 95% CI 4.16-8.29), arterial hypotension during surgery (OR: 4.0; 95% CI 2.78-11.65), APACHE III score upon admission to the ICU (OR: 9.29; 95% CI 3.62-21.38), multiple organ dysfunction syndrome (OR: 7.96; 95% CI 3.73-13.92), and cardiopulmonary arrest in the ICU (OR: 5.85; 95% CI 2.21-10.43). The APACHE III score demonstrated high sensitivity (87%) and positive predictive value (96%). CONCLUSIONS: Surgical patients in critical condition continue to account for a large number of admissions to and death in the ICU. The variables analyzed were sufficient to explain patient outcome, such that risk factors for mortality in surgical patients admitted to the ICU could be determined.
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