AI Article Synopsis
- The study investigated the effectiveness of ulnar shortening osteotomy (USO) in adolescents under 18 with secondary ulnar impaction syndrome following trauma, specifically looking at clinical and radiologic outcomes from 2006 to 2018.
- A total of 22 patients were categorized based on their growth potential, with surgical adjustments made according to their age and the status of their growth plates.
- Results showed significant improvement in ulnar variance and wrist motion post-surgery, with high patient satisfaction based on pain and functionality scores, though longer-term monitoring is suggested for ongoing assessment.
Article Abstract
Purpose: We performed ordinary ulnar shortening osteotomy (USO) in patients younger than 18 years old with secondary ulnar impaction syndrome (UIS) after traumatic events. Here, we report the clinical and radiologic outcomes with a review of the previous literature through a retrospective case series.
Methods: Twenty-two adolescents treated by USOs from 2006 to 2018 were investigated. The amount of shortening was classified into three categories. The first category was for a still open physis on the medial half of the radius in those younger than 15. In this category, we osteotomized the ulna for the physis level to be left neutral or negative by 1-2 mm. The second category had no growth potency in the radius. If the patient was younger than 15, we considered only residual growth of the ulna, thus performing USO for the ordinary UV to be negative by 2-3 mm. For patients aged 15-18 years old, if growth potency was nearly absent in the ulna, we performed traditional USO with a neutral ulnar variance (UV).
Results: Categories 1, 2, and 3 for the amount of USO were determined for 4, 4, and 14 patients, respectively. All USOs properly healed without substantial complications. The mean preoperative UV was 2.91 mm, and the final value decreased to 0.23 with statistical significance (p < 0.001). The range of wrist motion was improved after USO from 133.86° and 132.73° to 154.77° and 160.68° (all, p < 0.001 in flexion-extension and pronation-supination arcs, respectively). The preoperative VAS and MMWS scores also improved from 2.77 to 75.00 to 0.18 and 88.86, respectively, at the final follow-up (all, p < 0.001).
Conclusions: UIS in adolescent populations after trauma in their children/younger adolescents could be properly treated by USO. Even with an open physis at the ulna, neutral UVs could be achieved, and the clinical outcomes were satisfactory. However, long-term follow-up is still needed regarding TFCC and DRUJ status.
Level Of Evidence: Level IV, retrospective case series.
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| http://dx.doi.org/10.1016/j.injury.2022.10.004 | DOI Listing |
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