Objective:To compare the effect between open reduction internal fixation with Kirschner nails and mini-plates in the treatment of Mason type D and III fractures of radial head. Methods: From May 2004 to March 2010,50 cases of Mason type [I and III fractures of radial head were treated with Kirschner nails or mini-plates. In Kirschner nail group,there were 13 males and 10 female9 (mean age 42.5?.7 years) ,and 14 cases of Mason type II and 9 cases of Mason type III fracture. In mini-plate group,there were 17 males and 10 females (mean age 41.7?.5 years) ,and 16 cases of Mason type D and 11 cases of Mason type of El fracture. Trie excellent and good rates according to the Broberg and Morrey Elbow Score, and the rate of ectopic ossification were compared. Results: All the patients were followed up for 12-24 (mean 16.5?.3) months. The Broberg and Morrey Elbow Score of mini-plate group was (90.5?11.6), and that of Kirschner nail group was (70.6?11.3). The result of mini-plate group was excellent in 15 cases, good in 9 cases, fair in 2 cases, and poor in 1 case; The result of Kirschner nail group was excellent in 8 cases,good in 9 cases,fair in 3 cases and poor in 3 cases. The effect of mini-plate group was better than that of Kirschner nail group. There was no statistic difference in the rate of ectopic ossification between the two groups (P> 0.05). Conclusion: Fractures of radial head can be well treated with open reduction and internal fixation by mini-plates, which offer better results than Kirschner nails.%目的:比较克氏针与微型钢板治疗MasonⅡ、Ⅲ型桡骨头骨折疗效.方法:2004年5月至2010年3月收治MasonⅡ、Ⅲ型桡骨头骨折共50例,其中使用克氏针治疗23例,微型钢板治疗27例.克氏针治疗组中男13例,女10例；平均年龄(42.5±0.7)岁；MasonⅡ型骨折14例,Ⅲ型骨折9例.微型钢板组中男17例,女10例；平均年龄(41.7±0.5)岁；MasonⅡ型骨折16例,Ⅲ型骨折11例.按照Broberg和Morrey的肘关节功能评分标准进行评分,比较两组患者异位骨化情况及临床疗效.结果:所有患者获随访,时间12～24个月,平均(16.5±1.3)个月,根据疗效评定标准,微型钢板组平均(90.5±11.6)分,克氏针组平均(70.6±11.3)分.微型钢板组优15例,良9例,一般2例,差1例；克氏针组优8例,良9例,一般3例,差3例.微型钢板组疗效优于克氏针组.而两组患者异位骨化发生率比较差异无统计学意义.结论:微型钢板治疗桡骨头骨折安全有效,疗效优于克氏针.
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