ArticleMedical science monitor : international medical journal of experimental and clinical research2026
Retrospective Cohort Study Comparing Digitally Customized 3D-Printed Partial Talus Replacement and Ankle Arthrodesis for Extensive Talus Necrosis: Early Clinical Outcomes.
Article in Medical science monitor : international medical journal of experimental and clinical research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
BACKGROUND This retrospective study from a single center included 105 patients with avascular necrosis of the talus in our hospital from January 2021 to January 2024 and aimed to compare outcomes from management with customized 3-dimensional (3D) printed partial talus replacement with ankle arthrodesis. MATERIAL AND METHODS The replacement group (n=49) received digital customized 3D-printed partial talus replacement surgery, and the arthrodesis group (n=53) underwent ankle arthrodesis. Efficacy of the 2 surgical methods was evaluated by comparing the American Orthopaedic Foot and Ankle Society (AOFAS) ankle-hindfoot score, pain visual analog scale (VAS), ankle range of motion (ROM), SF-36 quality of life scale, and complication rate before surgery and at last follow-up. RESULTS At final follow-up, the observation group showed significantly better outcomes than the conventional group in AOFAS score (85.88±3.56 vs 78.51±4.12, P<0.001), ankle ROM (48.31°±4.95° vs 0.91°±1.13°, P<0.001), and the SF-36 Physical Component Summary (74.12±4.10 vs 55.83±4.96, P<0.001) and Mental Component Summary (81.26±5.12 vs 68.15±5.93, P<0.001). VAS scores were also significantly lower in the observation group (1.71±0.71 vs 2.57±0.87, P<0.001). Overall complication rates were similar (8.1% vs 11.3%, P=0.592); however, the reoperation rate was lower in the observation group (0% vs 3.7%). CONCLUSIONS In early follow-up, 3D-printed partial talus replacement for extensive talus necrosis demonstrates superior joint function, ROM, and quality of life compared with ankle arthrodesis, without increasing complications, suggesting it is a safe and effective joint-preserving alternative.
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