Abstract：
In this study, we evaluated the clinical outcome of neutral wedge osteotomy assisted with the center of rotation of angulation (CORA) method of distal humerus anatomical axis for the treatment of cubitus varus deformity in children. From 2016 to 2019, 20 children with cubitus varus deformity after supracondylar fracture of the humerus were enrolled. Standard anteroposterior radiograph of the humerus was taken preoperatively. The CORA point and angulation angles were obtained by measuring the proximal and distal humerus anatomical axis. During the operation, neutral wedge osteotomy was performed to correct the varus deformity. The Baumann angle and the carrying angle were used to evaluate the correction effect of the distal humeral varus deformity. The average age of the patients was 7.8 years. Patients were followed up for an average of 29.3 months (range, 24-36 months). The average interval between surgery and injury was 12 months. The mean preoperative Baumann angle and carrying angle were 99° (90°-115°) and -14° (range, -10° to -30°), respectively. At the last follow-up, the mean Baumann angle and carrying angle was 76° (70°-80°) and 13.6° (10°-18°), respectively, with 16 cases showing excellent outcome and 4 cases showing good outcome. Our results indicated that the neutral wedge osteotomy assisted with CORA method of distal humerus anatomical axis showed good clinical outcomes in the treatment of cubitus varus deformity in children and is worthy of clinical application. The level of evidence is IV.
摘要：
在这项研究中,我们评估了肱骨远端解剖轴旋转中心（CORA）辅助中性楔形截骨术治疗儿童肘内翻畸形的临床效果。2016年至2019年，纳入20例肱骨髁上骨折后肘内翻畸形患儿。术前进行标准的肱骨前后位X光检查。通过测量肱骨近端和远端解剖轴来获得CORA点和角度。在操作过程中,进行中性楔形截骨术以纠正内翻畸形。采用Baumann角和携带角评价肱骨远端内翻畸形的矫正效果。患者的平均年龄为7.8岁。患者平均随访29.3个月(范围,24-36个月）。手术和损伤之间的平均间隔为12个月。术前平均鲍曼角和携带角为99°(90°-115°)和-14°(范围,-10°至-30°),分别。在最后一次随访中，平均鲍曼角和承载角为76°(70°-80°)和13.6°(10°-18°)，分别,16例结果良好，4例结果良好。我们的结果表明，在肱骨远端解剖轴的CORA辅助下，中性楔形截骨术治疗儿童肘内翻畸形具有良好的临床效果，值得临床推广应用。证据水平为IV。
