• Obi Okoye, Peep Talving, Lydia Lam, Jennifer Smith, Pedro G Teixeira, Kenji Inaba, Nikolaos Koronakis, and Demetrios Demetriades.
• Los Angeles County + University of Southern California Medical Center, Division of Trauma Surgery and Surgical Critical Care, Los Angeles, California, USA.
• Am Surg. 2013 Oct 1;79(10):1081-5.

AbstractNecrotizing soft tissue infections (NSTIs) are associated with a high mortality rate. There is a lack of literature examining outcomes in NSTI when surgical redébridements are performed in early versus delayed intervals. We hypothesized that early redébridement is associated with improved survival. Patients with NSTIs were prospectively enrolled between January 2006 and December 2011. Patient demographics, comorbidities, primary infection site, laboratory values, tissue cultures, time to surgery, and time between subsequent débridements were obtained. Two study groups with divergent redébridement protocols were observed: a short interval redébridement (SIRD) and an extended interval redébridement (EIRD). Univariate and multivariate statistics were performed. The primary outcome evaluated was in-hospital mortality. Sixty-four patients (46 SIRD, 18 EIRD) were included in the analysis. The two groups had comparable demographics. Polymicrobial NSTI was noted in 61 per cent of patients with Staphylococcus species being the predominant causative organism (59%). Multivariate analysis showed the EIRD protocol to be associated with a significantly increased incidence of acute kidney injury (adjusted odds ratio, 4.9 [1.1 to 22.5]; P = 0.04) and worse overall survival (hazard ratio, 10.6 [2.1 to 53.9]; P = 0.004). Delayed redébridement after initial source control in NSTIs results in worse survival and an increased incidence of acute kidney injury. Further studies to identify the optimal time interval for redébridement are warranted.

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