• Kevin B Laupland, Lawrence W Svenson, Vincent Grant, Chad G Ball, Michelle Mercado, and Andrew W Kirkpatrick.
• Department of Medicine, University of Calgary and Calgary Health Region, Calgary, Alberta, Canada. Kevin.laupland@calgaryhealthregion.ca
• Injury. 2010 Jan 1;41(1):69-72.

IntroductionAlthough trauma is associated with major acute morbidity and mortality, its long-term outcome is less well defined. We sought to define the rate of readmission to hospital and long-term mortality of victims of major trauma.Patients And MethodsAll Calgary Health Region residents presenting to the regional trauma program with an injury severity score (ISS) > or = 12 between April 1, 2002 and March 31, 2006 were included. Readmission to hospital within one-year and deaths occurring on or before September 30, 2008 were identified using regional and provincial databases.ResultsA total of 2652 incident major trauma episodes occurred among 2630 residents; the median age was 41.3 [interquartile range (IQR); 23.1-59.2] years, 1,915 (72%) were male, the median ISS was 19 (IQR; 16-25), and 717 (27%) required intensive care unit admission. Among 2350 survivors to hospital discharge, 537 readmissions occurred (median length of stay 4.0; IQR; 1.6-7.5 days) among 386 patients within one-year of the incident trauma episode, and 323 (60%) required surgery. Re-admitted patients were older, had higher ISS, had longer initial admission length of stay, and were less likely to have sports related injuries. Two hundred and fifteen (8%) of 2350 survivors to hospital discharge died during the median study follow-up duration of 1543 (IQR; 1181-1934) days. Case-fatality rates for 28 days, 90 days, and 365 days were 304 (11%), 327 (12%), and 370 (14%), respectively. Among survivors to 28 days (n=2348), 66 (3%) suffered delayed one-year mortality (i.e. death occurred between 28 days and 365 days post-trauma). Age > or = 65 years of age, initial hospitalisation for > or = 28 days, and unintentional falls were independently associated with delayed one-year mortality.ConclusionsPatients with major trauma are at risk for both acute and delayed adverse outcomes.

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