BACKGROUND: Heterotopic ossification (HO) of the elbow can occur following direct trauma, brain injury, or burns. Development of elbow HO is sporadic, making levels 1-3 clinical evidence difficult to establish. We systematically reviewed literature regarding management and outcomes of surgically treated elbow HO. METHODS: A systematic review of the literature regarding elbow HO was performed to compare imaging modalities, surgical timing, surgical approaches, and methods of prophylaxis in outcomes of patients treated with excision. RESULTS: Our systematic review included 24 level 3 or 4 studies investigating 384 post-trauma (158), brain injury (105), or burn (94) patients with elbows complicated by HO that were treated with surgical excision. Average patient age was 36.9 years and there was a 65/35 M/F ratio. For all etiologies, preoperatively elbow flexion/extension averaged 53/83; postoperatively elbow flexion/extension significantly improved to 22/123. Regardless of the etiology, surgical excision of elbow HO significantly improved functional range of motion. Neither total body surface area (TBSA) burned for burn patients or Garland classification for brain-injured patients correlated with outcome. Overall complication rate was 22.6% and included HO recurrence (11.9%), ulnar nerve injury, infection, and delayed wound healing. CONCLUSION: Surgical treatment of elbow HO leads to improved functional outcome, whether the etiology of bone formation was direct elbow trauma, brain injury, or thermal injury.
BACKGROUND: Heterotopic ossification (HO) of the elbow can occur following direct trauma, brain injury, or burns. Development of elbow HO is sporadic, making levels 1-3 clinical evidence difficult to establish. We systematically reviewed literature regarding management and outcomes of surgically treated elbow HO. METHODS: A systematic review of the literature regarding elbow HO was performed to compare imaging modalities, surgical timing, surgical approaches, and methods of prophylaxis in outcomes of patients treated with excision. RESULTS: Our systematic review included 24 level 3 or 4 studies investigating 384 post-trauma (158), brain injury (105), or burn (94) patients with elbows complicated by HO that were treated with surgical excision. Average patient age was 36.9 years and there was a 65/35 M/F ratio. For all etiologies, preoperatively elbow flexion/extension averaged 53/83; postoperatively elbow flexion/extension significantly improved to 22/123. Regardless of the etiology, surgical excision of elbow HO significantly improved functional range of motion. Neither total body surface area (TBSA) burned for burn patients or Garland classification for brain-injured patients correlated with outcome. Overall complication rate was 22.6% and included HO recurrence (11.9%), ulnar nerve injury, infection, and delayed wound healing. CONCLUSION: Surgical treatment of elbow HO leads to improved functional outcome, whether the etiology of bone formation was direct elbow trauma, brain injury, or thermal injury.
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