• Rodrigo Cartin-Ceba, Marija Kojicic, Guangxi Li, Daryl J Kor, Jaise Poulose, Vitaly Herasevich, Rahul Kashyap, Cesar Trillo-Alvarez, Javier Cabello-Garza, Rolf Hubmayr, Edward G Seferian, and Ognjen Gajic.
• Multidisciplinary Epidemiology and Translational Research in Intensive Care (M.E.T.R.I.C), Mayo Clinic, 200 First St SW, Rochester, MN 55905, USA. cartinceba.rodrigo@mayo.edu
• Chest. 2011 Dec 1;140(6):1447-55.

BackgroundICU services represent a significant and increasing proportion of medical care. Population-based epidemiologic studies are essential to inform physicians and policymakers about current and future ICU demands. We aimed to determine the incidence of critical care syndromes, organ failures, and life-support interventions in a defined US suburban community with unrestricted access to critical care services.MethodsThis population-based observational cohort from January 1 to December 31, 2006, in Olmsted County, Minnesota, included all consecutive critically ill adult residents admitted to the ICU. Main outcomes were incidence of critical care syndromes, life-support interventions, and organ failures as defined by standard criteria. Incidences are reported per 100,000 population (95% CIs) and were age adjusted to the 2006 US population.ResultsA total of 1,707 ICU admissions were identified from 1,461 patients. Incidences of critical care syndromes were respiratory failure, 430 (390-470); acute kidney injury, 290 (257-323); severe sepsis, 286 (253-319); all-cause shock, 194 (167-221); acute lung injury, 86 (68-105); all-cause coma, 43 (30-55); and overt disseminated intravascular coagulation, 18 (10-26). Incidence of mechanical ventilation was invasive, 310 (276-344); noninvasive, 180 (154-206); vasopressors and inotropes, 183(155-208). Renal replacement therapy incidence was 96 (77-116). Of the cohort, 1,330 patients (91%) survived to hospital discharge. Short- and long-term survival decreased by the number of failing organs.ConclusionsIn a suburban US community with high access to critical care services, cumulative incidences of critical care syndromes and life-support interventions were higher than previously reported. The results of this study have important implications for future planning of critical care delivery.

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