Corrective Intra-articular Osteotomy for Malreductions of Tibial Pilon Fractures in Patients Less Than 55 Years Old

医学 脚踝 四分位间距 外科 Pilon骨折 射线照相术 运动范围 可视模拟标度 截骨术 外固定 外固定器
作者
Yaxing Li,Tingjiang Gan,Xi-Kun Ma,Yu Chen,Xi Liu,Hui Zhang
出处
期刊:Foot & Ankle International [SAGE]
标识
DOI:10.1177/10711007241283778
摘要

Background: Tibial pilon malreductions are challenging to correctively reconstruct, and the relevant literature is limited. This study aims to assess whether corrective intra-articular osteotomy is worthwhile to treat relatively younger (<55-year-old) patients with intra-articular malreductions of pilon fractures. Methods: This is a retrospective observational study with a minimum follow-up of 2 years. From 2013 to 2021, 21 patients (mean age: 39.2 ± 11.2 years) with intra-articular pilon malreductions ≥6 weeks treated with intra-articular osteotomies were analyzed. The median interval time until intra-articular osteotomy was 76 (interquartile range [IQR], 49-149) days. Plain radiographs and computed tomography were used for radiographic assessments. Clinical outcomes were evaluated with visual analog scale (VAS), the American Orthopaedic Foot & Ankle Society (AOFAS) ankle-hindfoot score, the 36-Item Short-Form Health Survey (SF-36) score, and ankle range of motion (ROM). Results: The median follow-up duration was 34.6 (IQR, 26.1-74.3) months. The median articular displacement was reduced from 12.7 mm preoperatively to 2.7 mm postoperatively ( P < .05). According to the Kellgren-Lawrence grading, 16 patients were assigned to stage II, 4 to stage III, and 1 to stage IV. In the 10 patients with available preoperative assessments, substantial improvement was found in the VAS score, from 5.90 to 2.0 at the final follow-up ( P < .05). Similarly, the AOFAS ankle-hindfoot score and SF-36 scores improved ( P < .05). Ankle ROM did not change a clinically meaningful amount. Progressive degenerative changes were noted in 2 of 10 patients who had adequate preoperative imaging. Four patients had VAS scores ≥4 including 1 patient who is scheduled for an arthrodesis. Conclusion: In this small series, we found that the corrective osteotomies generally provided reasonable improvement at 3 years in patients <55 years old with intra-articular malreduction of pilon fractures. Prospective cohort studies are needed to determine if it is worthwhile in long-term outcome.
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