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Tridente A, Clarke GM, Walden A, et al., 2015, Association between trends in clinical variables and outcome in intensive care patients with faecal peritonitis: analysis of the GenOSept cohort., Critical Care, Vol: 19, ISSN: 1364-8535
INTRODUCTION: Patients admitted to intensive care following surgery for faecal peritonitis present particular challenges in terms of clinical management and risk assessment. Collaborating surgical and intensive care teams need shared perspectives on prognosis. We aimed to determine the relationship between dynamic assessment of trends in selected variables and outcomes. METHODS: We analysed trends in physiological and laboratory variables during the first week of ICU stay in 977 patients from 102 centres across 16 European countries. The primary outcome was 6-month mortality. Secondary end-points were ICU, hospital and 28 day mortality. For each trend, Cox proportional hazards (PH) regression analyses, adjusted for age and gender, were performed for each endpoint. Trends remaining significant after Bonferroni correction for multiple testing were entered into a multivariate Cox PH model to determine independent associations with mortality. RESULTS: Trends over the first 7 days ICU stay independently associated with 6 month mortality were worsening thrombocytopaenia (mortality HR = 1.02, 95% CI 1.01-1.03, p < 0.001) and renal function (total daily urine output HR = 1.02, 95%CI 1.01-1.03, p < 0.001; renal SOFA sub-score HR = 0.87, 95%CI 0.75-0.99, p = 0.047), maximum bilirubin level (HR = 0.99, 95%CI 0.99-0.99, p = 0.02) and GCS SOFA sub-score (HR = 0.81, 95%CI 0.68-0.98, p = 0.028). Changes in renal function (total daily urine output and renal component of the SOFA score), GCS component of the SOFA score, total SOFA and worsening thrombocytopaenia were also independently associated with secondary outcomes (ICU, hospital and 28 day mortality). We detected the same pattern when analysing trends on days 2, 3 and 5. Dynamic trends in all other measured laboratory and physiological variables and in radiologica
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