• Raymond W Hwang, Pieter Bas de Witte, and David Ring.
• Department of Orthopaedic Surgery, Massachusetts General Hospital, White 535, 55 Fruit Street, Boston, MA 02114, USA.
• J Bone Joint Surg Am. 2009 Mar 1; 91 (3): 642-5.

BackgroundForearm compartment syndrome is an uncommon sequela of distal radial fractures. This investigation tested the hypothesis that the risk of forearm compartment syndrome associated with an unstable, operatively treated fracture of the distal end of the radius is higher with a concomitant injury of the ipsilateral elbow.MethodsAll patients who sustained an unstable fracture of the distal end of the radius and/or injury to the elbow (a fracture of the proximal end of the radius and/or ulna, simple elbow dislocation, elbow fracture-dislocation, or distal humeral fracture) and were operatively treated at two level-I trauma centers over a five-year period were identified from a comprehensive database. The prevalence of compartment syndrome in a cohort with an isolated distal radial fracture and a cohort with a simultaneous distal radial fracture and elbow injury were compared.ResultsNine (15%) of fifty-nine patients who sustained a simultaneous ipsilateral distal radial fracture and elbow injury had forearm compartment syndrome develop compared with three (0.3%) of 869 patients with an isolated unstable distal radial fracture (p < 0.001, relative risk = 50). The average time from presentation to the development of compartment syndrome and subsequent fasciotomy was twenty-seven hours. Three of the nine patients with injuries to both the elbow and the wrist had a compartment syndrome develop after initial operative treatment of the injuries, requiring a return to the operating room for fasciotomy.ConclusionsForearm compartment syndrome is a frequent complication of simultaneous unstable injuries to the elbow and the distal end of the radius. Heightened vigilance for compartment syndrome is paramount in patients with this combination of injuries.

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