Foot & ankle international · 2020
Necessity of Interfragmentary Lag Screws in Precontoured Lateral Locking Plate Fixation for Supination-External Rotation Lateral Malleolar Fractures.
Сравнительное исследованиеСтатьяРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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Park Young Hwan, Cho Hyun Woo, Choi Gi Won, Kim Hak Jun
Аннотация
BACKGROUND: Interfragmentary lag screws, protected by a plate, have been applied for many years in the treatment of supination-external rotation (SER) ankle fractures. Recently, similar biomechanical stability was found between fixation completed with a plate and lag screw and a plate alone. The aim of this study was to determine whether interfragmentary lag screws are necessary during precontoured lateral locking plate fixation for SER lateral malleolar fractures.
METHODS: A prospective randomized controlled trial of 76 patients with unilateral Lauge-Hansen SER lateral malleolar fractures was conducted. The patients were randomly treated either with or without the use of interfragmentary lag screws with precontoured lateral locking plate fixation. Clinical outcomes were assessed using the Olerud-Molander Ankle Score and a visual analog scale for pain. Radiologic outcomes were assessed based on the Kellgren and Lawrence scale score, incongruity of the ankle joint, and type of fracture healing. Sixty-nine patients completed 12 months of follow-up.
RESULTS: There was no significant difference between the 2 groups with regard to clinical outcomes at 3 and 12 months after surgery and radiologic outcomes at 12 months after surgery. All patients in both groups achieved primary bone healing.
CONCLUSION: The results of this study suggest that with precontoured lateral locking plate fixation, the use of interfragmentary lag screw is not essential in the treatment SER lateral malleolar fractures.
LEVEL OF EVIDENCE: Level I, prospective randomized study.
METHODS: A prospective randomized controlled trial of 76 patients with unilateral Lauge-Hansen SER lateral malleolar fractures was conducted. The patients were randomly treated either with or without the use of interfragmentary lag screws with precontoured lateral locking plate fixation. Clinical outcomes were assessed using the Olerud-Molander Ankle Score and a visual analog scale for pain. Radiologic outcomes were assessed based on the Kellgren and Lawrence scale score, incongruity of the ankle joint, and type of fracture healing. Sixty-nine patients completed 12 months of follow-up.
RESULTS: There was no significant difference between the 2 groups with regard to clinical outcomes at 3 and 12 months after surgery and radiologic outcomes at 12 months after surgery. All patients in both groups achieved primary bone healing.
CONCLUSION: The results of this study suggest that with precontoured lateral locking plate fixation, the use of interfragmentary lag screw is not essential in the treatment SER lateral malleolar fractures.
LEVEL OF EVIDENCE: Level I, prospective randomized study.