• Pei-Xun Zhang, Feng Xue, Yu Dang, Tian-Bing Wang, Jian-Hai Chen, Hai-Lin Xu, Zhong-Guo Fu, Dian-Ying Zhang, and Bao-Guo Jiang.
• Peking University People's Hospital, Beijing 100044, China.
• Chin. Med. J. 2012 Jan 1; 125 (1): 140-3.

BackgroundFor some specific comminuted unstable intra-articular fracture, the plaster cast can not maintain the alignment of the articular surface effectively. The aim of this study was to evaluate the clinical effects of distal radius fracture treated with open reduction and internal plate fixation retrospectively.MethodsFrom January 2002 to March 2010, 539 cases of distal radius fracture were treated with open reduction and internal fixation, including 184 males and 355 females aging 21 - 72 years (mean 57 years). Fractures were caused by falling to the ground in 459 cases, by traffic accident in 62 cases and by athletic injuries in 18 cases. Of 539 cases, there were 523 cases of closed fracture and 16 cases of open fracture. According to Arbeitsgemeinschaft fur Osteosynthesefragen (AO) standards of classification, there were 14 cases of A2 type, 22 of A3 type, 18 of B1 type, 24 of B2 type, 62 of B3 type, 91 of C1 type, 162 of C2 type and 146 of C3 type. The time from injury to operation was 1 - 16 days (mean 5 days). All patitents received open reduction and internal plate screw fixation. Forty-seven patients with bone defect were given 6 - 15 g autologous ilium and 75 cases were given 5 ml calcium sulphate artificial aggregate after reduction.ResultsAll incisions healed by first intention after operation. Patients were followed up for 15 to 32 months postoperatively (mean 22 months). The fractures healed within 10 - 18 weeks after operation (mean 12 weeks). During the last follow-up, the mean palmar tilt was (7.0 ± 0.9)° and the mean ulnar variance was (21.0 ± 4.2)°, showing significant difference when compared with preoperation ((-5.0 ± 1.2)° and (8.0 ± 3.8)°). The radial heights were not abbreviated. According to Gartland and Werley assessment system, the results were excellent in 314 cases, good in 163 cases, fair in 46 cases, and poor in 16 cases 12 weeks after operation, the excellent and good rate was 88.5%.ConclusionsThe clinical effect of distal radius fracture treated with open reduction and internal plate fixation was relatively satisfactory. Meticulous operation procedure and individual rehabilitation strategy contribute to the wrist joint functional recovery.

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