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目的 介绍伸肘位手法复位－Ｕ 形石膏夹板固定治疗小儿肱骨髁上伸直型骨折。 方法 在伸肘位肘关节伸屈肌均处于无张力状态，因而也是肱骨髁上骨折复位与固定的最佳位置。局部血肿内麻醉下，由助手对抗牵引，令肘关节伸直，前臂旋后位，矫正骨折移位。应用－Ｕ 形石膏夹板绷带固定，肘关节外翻２０°～３０°，确使折端桡侧皮质嵌紧，直至骨质愈合。３ ～４ 周后去石膏，恢复屈肘活动。 结果 临床应用４８ 例，骨折手法复位成功率为１００ ．０ ％ 。经６ 个月～２ 年（平均１ 年２ 个月） 的随访，肘关节伸屈功能均恢复正常，无肘内翻畸形等并发症发生。 结论 伸肘位手法复位－Ｕ 形石膏夹板固定治疗小儿肱骨髁上伸直型骨折，能达到理想的复位和维持稳定的固定效果，可有效地遏制肘内翻畸形。
Objective To introduce the technique of elbow extension reduction-U-shaped plaster splint fixation for supracondylar humerus extension fracture. Methods Elbow flexion and extension flexors are in tension-free state, which is also the best position for the reduction and fixation of supracondylar humerus fractures. Local anesthesia within the hematoma, the assistant against traction, so that the elbow straight, supination of the forearm position, the correction of fracture displacement. Application -U plaster splint bandage fixed, elbow valgus 20 ° ~ 30 °, do fold the radial cortex tight, until the bone healing. 3 to 4 weeks to gypsum, elbow recovery activities. Results The clinical application of 48 cases, fracture reduction success rate of 100. 0%. After 6 months to 2 years (mean 1 year and 2 months) follow-up, elbow flexion and extension were normal, no cubitus deformity and other complications. Conclusion Elbow extensor manipulation reduction-U-shaped plaster splint fixation of supracondylar humerus fractures in children, can achieve the desired reduction and maintain a stable fixation effect, which can effectively curb the cubitus varus deformity.