• Mengqiang Tian, Lide Wang, Yu Zhang, and Jun Liu.
• Department of Orthopaedics, Tianjin People's Hospital, Tianjin 300121, PR China. timqiangph@yahoo.com.cn
• Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2009 Aug 1;23(8):921-4.

ObjectiveTo investigate the clinical effect of minimally invasive internal fixation percutaneous plate osteosynthesis (MIPPO) assisted by arthroscopy on tibial plateau fractures.MethodsFrom September 2005 to December 2007, 29 patients with tibial plateau fracture underwent arthroscopy-assisted MIPPO, including 18 males and 11 females aged 18-59 years old (average 34.7 years old). There were 8 cases of type II, 10 of type III, 5 of type IV, 3 of type V, and 3 of type VI according to Schatzker classification system. The fracture was combined with meniscus injury in 13 cases, anterior cruciate ligament injury in 4 cases, and medial collateral ligament injury in 3 cases. The time from injury to operation was 2-10 days. Firstly, the combined injury was treated under arthroscopy. Then, reduction of tibial plateau fractures was performed, bone grafting was conducted in the area of bone defect, and internal fixation using strut plates was performed after establishing subcutaneous tunnel via minimally invasion. Early rehabilitation activities were carried out for each patient 1 day after operation.ResultsNo early complications such as poor healing of incisions, infections, and osteofascial compartment syndrome occurred. Over the follow-up period of 12-39 months (average 24 months), there was no failure of internal fixation, traumatic knee osteoarthritis, and inversion and eversion of the knee. The fractures healed within 3-4.5 months (average 3.5 months). The clinical effect was excellent in 23 cases, good in 4 cases, and fair in 2 cases according to Lysholm knee rating system, and the excellent and good rate was 93.1%.ConclusionArthroscopy-assisted MIPPO is a safe and effective way of managing tibial plateau fractures due to its features of minimal invasion, earlier recovery, fewer complications, and simultaneous treatment of associated intra-articular injuries.

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