• De-peng Meng, Tian-wen Ye, and Ai-min Chen.
• Department of Orthopedic Surgery, Changzheng Hospital, The Second Military Medical University, 415 Fengyang Road, Huangpu District, Shanghai 200003, China. aiminchen@aliyun.com.
• J Orthop Surg Res. 2014 Apr 15; 9: 26.

IntroductionThis study investigates the safety and efficacy of anterolateral (AL) osteotomy for the treatment of lateral tibial plateau fractures merged with relatively simple and intact posterolateral (PL) corner displacement and screens applicable patients.MethodsTotally, 11 patients with lateral tibial plateau fractures involving the PL corner were included in this study. Of them, seven patients sustained their injuries from motor vehicle accidents (MVAs), three from sports and one from fall from height. All of them received open reduction and internal fixation through the AL approach. Operation time, incision length, range of motion (ROM), Hospital for Special Surgery (HSS) knee score, time of union and complications were retrospectively reviewed. Tibial plateau angle (TPA), lateral posterior slope angle (PSA) and articular step-off reduction after surgery were examined by a radiograph technique.ResultsStatistically, the means of operation time, incision length, ROM and follow-up period were 82 min, 11 cm, 97° and 27 months, respectively. Three patients had slight complications: superficial infection, hardware irritation and secondary valgus deformity, without severe neural or vascular injuries, which revealed the safety and efficacy of the PL treatment. The average HSS knee score was 91.2 (range 86-96). Reduction (mean TPA 87.2° and mean PSA 8.3°) was satisfactory in 10 patients, except for one patient with a radiographic articular step-off of 5 mm (case 10).ConclusionsThe AL approach is safe and effective for lateral tibial plateau fractures involving the PL corner, especially for fractures merged with simple and intact PL corner displacement (depression and/or split).

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