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  • Title: A Modified 2-Stage Treatment for AO/OTA 43-C1 Pilon Fractures Accompanied by Distal Fibular and Posterior Lip of the Distal Tibia Fracture.
    Author: Zheng Y, Zhang JD, Shen JM, Chen JJ, Toy L, Huang JF.
    Journal: J Foot Ankle Surg; 2020; 59(5):972-978. PubMed ID: 32482581.
    Abstract:
    The management of pilon fractures remains challenging owing to the high-energy axial loading mechanism that produces comminution of the articular surface, displacement of tibia metaphysis, and severe soft tissue injury. How to preserve the vitality of soft tissue and achieve anatomic reduction has become a timely issue. We report and evaluate the effect of a modified staging treatment for AO Foundation/Orthopaedic Trauma Association (AO/OTA) 43C1 pilon fracture accompanied by distal fibular and posterior lip of the distal tibia fracture. We performed a modified 2-stage treatment of type C1 pilon fracture with distal fibular and posterior malleolar fractures. In the first stage, the posterolateral incision was used for simultaneous reduction of fibula and posterior malleolus, and the tibia was fixed with an external fixator. In the second stage, the external fixator was removed, and the medial malleolus and tibia were fixed after the edema of soft tissue had subsided. The following data were collected: Foot and Ankle Outcome Score (FAOS), American Orthopaedic Foot & Ankle Society (AOFAS) score, Short Form 36 (SF-36) score, Burwell-Charnley fracture reduction score, and postoperative complications. Twenty-seven patients were monitored for an average of 31.70 ± 7.38 months. The Burwell-Charnley fracture reduction scores had anatomic and fair ratings of 92.59%. SF-36 physical component score was 42.94 ± 12.47 and mental component score was 48.73 ± 9.79. Score data from the multiple scales of FAOS included pain, 88.79 ± 8.59; activities of daily living, 91.89 ± 7.50; quality of life, 90.26 ± 10.52; sports, 87.93 ± 11.64; and symptoms, 85.32 ± 8.65. The AOFAS ankle-hindfoot scores were 87.30 ± 13.45. Complications were reported in 5 patients (18.52%). Our study provides a good alternative to the existing protocol for type C1 pilon fractures with distal fibular and posterior lip of the distal tibia fracture and effectively reduces soft tissue complications.
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