• Dafang Zhang, Stein J Janssen, Matthew Tarabochia, Arvind von Keudell, and Neal Chen.
• Department of Orthopaedic Surgery, Brigham and Women's Hospital, 75 Francis Street, Boston, MA, 02115, USA. dzhang9@partners.org.
• Eur J Orthop Surg Tr. 2020 Feb 1; 30 (2): 359-365.

IntroductionThe primary objective of this study is to determine whether time from injury to fasciotomy is associated with increased risk for death or limb amputation in patients with acute leg compartment syndrome. The secondary objective of this study is to identify other risk factors for death or limb amputation in patients with acute leg compartment syndrome.MethodsIn an institutional review board approved retrospective study, we identified 546 patients with acute compartment syndrome of 558 legs treated with fasciotomies from January 2000 to June 2015 at two Level I trauma centers. Our primary outcome measures were death and limb amputation during inpatient hospital admission. Electronic medical records were analyzed for patient-related factors and treatment-related factors. Bivariate analyses were used to screen for variables associated with our primary outcome measures, and explanatory variables with a p value below 0.05 were included in our multivariable logistic regression analyses.ResultsIn-hospital death occurred in 6.6% and in-hospital limb amputation occurred in 9.5% of acute leg compartment syndrome patients. Neither death nor limb amputation was found to be associated with time from injury to fasciotomy. Multivariable logistic regression analyses showed that older age (p = 0.03), higher modified Charlson Comorbidity Index (p = 0.009), higher potassium (p = 0.02), lower hemoglobin (p = 0.002), and higher lactate (p < 0.001) were associated with death, and diabetes mellitus (p = 0.05), no compartment pressure measurement (p = 0.009), higher PTT (p = 0.03), and lower albumin (p = 0.01) were associated with limb amputation.ConclusionsTime to fasciotomy is not found to be associated with death or limb amputation in acute leg compartment syndrome. Death and limb amputation are associated with patient-related factors and injury severity.Level Of EvidenceLevel III Prognostic.

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