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  • Title: Antiglide versus lateral plate fixation for Danis-Weber type B malleolar fractures caused by supination-external rotation injury.
    Author: Kilian M, Csörgö P, Vajczikova S, Luha J, Zamborsky R.
    Journal: J Clin Orthop Trauma; 2017; 8(4):327-331. PubMed ID: 29062213.
    Abstract:
    PURPOSE: The purpose of this study was to evaluate functional results and the frequency of complications in the distal fibula Danis-Weber type B fractures caused by supination-external rotation injury in a group of lateral and antiglide plate fixation. METHODS: This prospective study evaluated 44 patients with a minimum of one-year follow-up. Patients were divided into two groups: one lateral plate group (24 patients) and group with an antiglide plate (20 patients). The patients of both groups were always positioned supine, and lateral approach was used. In the lateral plate group, the fracture was anatomically reduced, an optional anteroposterior lag screw was placed perpendicular to fracture line, and then the one-third tubular plate was applied on the lateral fibular site. In the antiglide group, the palate was implemented on the posterolateral surface of the fibula and the fracture was anatomically reduced. An optional lag-screw was used. Distal screw fixation was applied deliberately. Functional assessment according to the American Orthopaedic Foot and Ankle Society hind foot-ankle score (AOFAS) were performed at one year after surgery. The complications were recorded. RESULTS: According to Lauge-Hansen classification of supination-external rotation injury, a total of 27 (61.4%) patients was classified as stage 2, 2 (4.5%) patients as stage 3 and 15 (34.1%) patients with stage 4. In the lateral plate group, there were 13 (54.2%) male and 11 (45.8%) female patients. In the antiglide plate group, men comprised 12 (60%) and women 8 (40%) of patients. The AOFAS in the lateral and antiglide group performed one year after surgery was, on average, 93.7 ± 6.1 (range 85-100) and 94.5 ± 6.0 (range 85-100) points respectively. There were no statistically significant differences in both groups (p = 0.37). Complications were observed in 7 (29.3%) patients of lateral plate and 3 (15%) patients of an antiglide plate (p = 0.31). There was no case of tendinopathy. Revision surgery was performed in one patient with superficial infection. CONCLUSION: In the present study, the outcome of the surgically treated Weber type B fractures caused by supination external rotation injury was comparable in both groups. The antiglide plate fixation showed no signs of peroneal tendinopathy, low rate of complications. We believe this technique is safe and a good method of fixation as well as traditional lateral plating.
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