• Peng Jia, Feng-Cheng Lu, Kifayat Ullah, Man Zhang, Yan-Sheng Dong, Chao Xiong, Zhi-Hui Zhao, Jin-Feng Wang, Ju-Wen Chen, and Yong-Qing Wang.
• Graduate School, Tianjin University of Traditional Chinese Medicine, Tianjin, China.
• Orthop Surg. 2018 May 1; 10 (2): 115-120.

ObjectiveAngle stable interlocking intramedullary nail (ASIN), a novel technique, has rarely been used for treatment of tibial plateau fractures (TPF). This retrospective study was designed to introduce this novel technique, ASIN, as well as to describe the initial experience and verify the effectiveness when ASIN was used for the management for TPF.MethodsA cohort of 19 cases with closed TPF aged from 18-70 years with at least 23 months follow-up from November 2008 to September 2013 was analyzed retrospectively. All patients underwent the ASIN procedure, which was performed by the same group of surgeons. Perioperative and postoperative parameters like the measurement of radiographic pictures, surgical data, and clinical function were recorded including the changes in treatment. A modified Hohl-Luck radiological and functional score combined with the Hospital for Special Surgery (HSS) score were applied to evaluate the final results and to provide reliable data through the whole procedure when applying the ASIN procedure.ResultsThe patients were followed up regularly for an average of 26.3 (range, 23-34) months. All patients achieved a bony union at an average of 15.1 weeks with no incidences of malunion, nonunion, or infection. Anatomical reduction of the articular surface was obtained in 16 patients. No secondary failure of fixation occurred. The mean postoperative knee flexion was 122.9°. The modified Hohl-Luck radiological and functional score was excellent and good, respectively, in 16 patients. The mean HSS score was 89.4.ConclusionThe angle stable interlocking intramedullary nail system turned out to be a viable alternative protocol in the treatment of tibia plateau fractures and provided satisfactory results, with good fracture reduction, biomechanical fixation, low rates of complications, and passable postoperative knee function.© 2018 Chinese Orthopaedic Association and John Wiley & Sons Australia, Ltd.

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