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By using the National Burn Repository, the authors sought to identify markers for injury severity and deep venous thrombosis (DVT) risk after electrical injury. They identified adult patients in the National Burn Repository who were admitted with an electrical injury between 1995 and 2007 (n = 1469). Patients who died within 24 hours or were admitted for less than 1 day and hospitals reporting no complications were excluded. Independent variables included TBSA burned, duration of intensive care unit stay and hospital admission, duration of mechanical ventilation, the number of operative procedures, amputation, and early fasciotomy. Early fasciotomy was defined as fasciotomy performed on a patient's first trip to the operating room and was used as a proxy for severity of electrical injury. DVT and death were the dependent variables. Among electrically injured patients, 10.4% had early fasciotomy. Patients who had early fasciotomy had significantly prolonged intensive care unit stays (10.3 vs 4.8 days, P < .001), hospital days (36.7 vs 17.1 days, P < .001), amputations (49.0 vs 4.6%, P < .001), and a number of operative codes (17.6 vs 5.4, P < .001). DVT incidence was 0.9%. Electrically injured patients who had early fasciotomy were significantly more likely to have a DVT when compared with patients who did not have early fasciotomy (7.55 vs 0.95%, P = .002). Early fasciotomy after electrical injury is a marker for increased injury severity. Among patients who underwent early fasciotomy after electrical injury, 7.5% develop DVT, and 49% require amputation during their initial hospitalization.