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Introduction: Leptospirosis remains a significant health problem in tropical regions including Latin America, where its presentation is 100 times higher than that observed in other regions of the world. Mortality reaches 10% in severe cases. Its diagnosis is challenging because clinical manifestations during the initial phase are non-specific and because of limited availability of diagnostic tests., Objective: To describe the demographic and clinical characteristics and the outcomes in hospitalized patients with leptospirosis., Materials and Methods: This retrospective study included patients treated at four institutions in Medellín between January, 2009, and December, 2013, with a compatible clinical picture and a positive IgM for Leptospira spp., Results: We included 119 patients, 80% male, and 58% of rural origin. The mean duration of symptoms was 9.6 days (SD=9.6). Eighty nine per cent of patients had fever; 62%, jaundice; 74%, myalgia; 46%, diarrhea; 41%, hepatomegaly; 13%, splenomegaly, and 13%, conjunctival injection. Fifty four per cent of patients had impaired renal function; 32%, pulmonary compromise, and 13%, liver failure. Sixteen per cent required admission to the ICU; 12%, mechanical ventilation, and 11%, vasopressor therapy.Weil's syndrome occurred in 38.6% and 5% died. The average hospital stay was 11 days (SD=9.6)., Conclusions: In this population, the clinical manifestations and complications of leptospirosis were similar to those reported in the literature. We observed a relatively low overall mortality in relation to global statistics.

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Copyright of Revista Biomedica is the property of Centro de Investigaciones Regionales Dr. Hideyo Noguchi; Facultad de Medicina, UADY and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)