Outcomes Following Early Weight Bearing in Syndesmotic Injuries: A Randomized Controlled Trial
Category: Trauma; Ankle Introduction/Purpose: Syndesmotic injuries occur in 10% of ankle fractures. Restoration and maintenance of the distal tibiofibular stability is crucial. The literature regarding time to weight bearing is scarce, with the majority recommending greater than 6 weeks of non-weigh...
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| Main Authors: | , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
SAGE Publishing
2024-12-01
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| Series: | Foot & Ankle Orthopaedics |
| Online Access: | https://doi.org/10.1177/2473011424S00397 |
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| Summary: | Category: Trauma; Ankle Introduction/Purpose: Syndesmotic injuries occur in 10% of ankle fractures. Restoration and maintenance of the distal tibiofibular stability is crucial. The literature regarding time to weight bearing is scarce, with the majority recommending greater than 6 weeks of non-weight bearing. No studies examine whether early weight bearing as tolerated is safe in syndesmotic injuries, and current early weight bearing studies after ankle fractures typically exclude syndesmotic injuries. Purpose: The purpose of this randomized controlled trial is to measure differences between early weight bearing at 2 weeks and delayed weight bearing at 6 weeks in terms of outcomes, hardware failure, and loss of reduction at 1 year. Methods: All rotational ankle fractures in patients over 18 were enrolled preoperatively. Only those who received syndesmotic fixation were randomized post-operatively to early vs delayed weight bearing. No fracture types were excluded. All syndesmotic fixation utilized suture buttons. A total of 39 patients were enrolled. Primary outcome was maintenance of reduction at 1 year comparing post-operative and 1 year CT scan of both ankles. Secondary outcomes included pain scores, surgical experience (SSQ-8), AAOS Foot and Ankle, range of motion, and complications. Data was analyzed using unpaired t-test and Fishers exact. Statistical significance was set at p < 0.05. Results: 16 patients were randomized to early weight bearing and 23 patients to delayed. The early weight bearing group had a significantly higher pain score (4.69 ± 2.84 vs 2.87 ± 2.31, p = 0.039) at the baseline 2 week visit. At 1 year, dorsiflexion in the early weight bearing group was significantly higher (14.2° ± 3.97° vs 7.71° ± 4.46°) than the delayed group (p = 0.017). There was no significant difference in syndesmotic malreduction, loss of reduction, pain scores, PROs, development of arthritis or complication rates at any other timepoint. Conclusion: Early weight bearing is safe following syndesmotic fixation in ankle fractures, at least in those receiving suture button fixation. |
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| ISSN: | 2473-0114 |