Acute compartment syndrome of the forearm

The aims of this study were to document our experience with acute forearm compartment syndrome and to determine the risk factors for the need for split-thickness skin-grafting and the development of complications after fasciotomy.

We identified from our trauma database all patients who underwent fasciotomy for an acute forearm compartment syndrome over a twenty-two-year period. Diagnosis was made with use of clinical signs in all patients, with compartment pressure monitoring used as a diagnostic adjunct in some patients. Outcome measures were the use of split-thickness skin grafts and the identification of complications following forearm fasciotomy.

There were ninety patients in the study cohort, with a mean age of thirty-three years (range, thirteen to eighty-one years) and a significant male predominance (eighty-two patients; p < 0.001). A fracture of the radius or ulna, or both, was seen in sixty-two patients (69%), with soft-tissue injuries as the causative factor in twenty-eight (31%). The median time to fasciotomy was twelve hours (range, two to seventy-two hours). Risk factors for requiring split-thickness skin-grafting were younger age and a crush injury (p < 0.05 for both). Risk factors for the development of complications were a delay in fasciotomy of more than six hours (p = 0.018) and preoperative motor symptoms, which approached significance (p = 0.068).

Forearm compartment syndrome requiring fasciotomy predominantly affects males and can occur following either a fracture or soft-tissue injury. Age is an important predictor of undergoing split-thickness skin-grafting for wound closure. Complications occur in a third of patients and are associated with an increasing time from injury to fasciotomy.