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Sagi, H Claude; Shah, Anjan R; Sanders, Roy W
Journal of orthopaedic trauma, 2012-July, Letnik: 26, Številka: 7Journal Article
OBJECTIVE:To examine the correlation between syndesmotic malreduction and functional outcome. DESIGN:Prospective evaluation of bilateral computed tomography scans and functional outcome scores. SETTING:Level I regional trauma center. MATERIALS AND METHODS:From January 1, 2004, to December 31, 2006, 107 of 681 operatively treated ankle fractures (15.7%) had associated syndesmotic injuries requiring reduction and fixation. All patients available at a minimum of 2 years postindex procedure underwent clinical and radiographic examination, computed tomographic (CT) scanning of both ankles (injured and uninjured), and functional outcome scoring using the Short Form Musculoskeletal Assessment and Olerud/Molander questionnaires. RESULTS:Sixty-eight of 107 (63.5%) syndesmotic injuries in 68 patients were available for follow-up. Twenty-seven (39%) were malreduced (rotational or translational asymmetry) when compared with the contralateral uninjured syndesmotic joint. Fifteen percent of the open syndesmotic reductions were malreduced on postoperative CT scans, whereas 44% (A/B) of the closed syndesmotic reductions were malreduced on postoperative CT scan (P = 0.11). Patients with a malreduced syndesmosis recorded significantly worse functional outcome scores (P < 0.05) on both the Short Form Musculoskeletal Assessment and Olerud/Molander questionnaires when compared with those patients whose syndesmosis had healed in anatomic alignment. CONCLUSIONS:At a minimum of 2 years follow-up, patients with malreduced syndesmotic injuries demonstrated significantly worse functional outcome using the Short Form Musculoskeletal Assessment and Olerud/Molander questionnaires. Open reduction of the syndesmosis resulted in a substantially lower rate of malreduction when evaluated by postoperative CT scan. Based on these findings, we recommend that surgeons not only perform a direct, open visualization of the syndesmosis during the reduction maneuver, but obtain a postoperative CT scan with comparison to the contralateral extremity as well. If the syndesmosis is found to be malreduced, consideration must be given to revising the osteosynthesis. LEVEL OF EVIDENCE:Prognostic Level II. See Instructions for Authors for a complete description of levels of evidence.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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