Risk of recurrent dislocation and avascular necrosis after proximal femoral varus osteotomy in children with cerebral palsy

被引：29

作者：

Khalife, Rami ^{[1
]}

Ghanem, Ismat ^{[1
]}

El Hage, Samer ^{[1
]}

Dagher, Fernand ^{[1
]}

Kharrat, Khalil ^{[1
]}

机构：

[1] St Joseph Univ, Hotel Dieu France Hosp, Dept Orthopaed Surg, Beirut, Lebanon

来源：

JOURNAL OF PEDIATRIC ORTHOPAEDICS-PART B | 2010年 / 19卷 / 01期

关键词：

avascular necrosis; cerebral palsy; femoral varus derotation osteotomy; hip dislocation; hip subluxation; recurrent subluxation; varus and derotation osteotomy; ONE-STAGE CORRECTION; DEROTATION OSTEOTOMY; HIP DISLOCATION; FEMUR; ACETABULOPLASTY;

D O I：

10.1097/BPB.0b013e3283320c31

中图分类号：

R826.8 [整形外科学]; R782.2 [口腔颌面部整形外科学]; R726.2 [小儿整形外科学]; R62 [整形外科学（修复外科学）];

学科分类号：

摘要：

A retrospective review was conducted on 50 children with cerebral palsy, having 89 femoral varus osteotomy at an average age of 7.4 years, trying to identify risk factors for complications, particularly redislocation and avascular necrosis. Among the well-reduced hips, new subluxation developed in 12 cases; postoperative radiographic measurements showed a mean neck-shaft angle of 135 degrees and an acetabular slope of 32 degrees. Main risk factors for secondary dislocation seem to be insufficient correction of preexisting valgus and uncorrected acetabular dysplasia. Avascular necrosis was observed in 33 hips (37%): 26 minor and seven severe. Older age at surgery and high preoperative Reimer's migration index seem statistically significant risk factors. J Pediatr Orthop B 19:32-37 (C) 2010 Wolters Kluwer Health | Lippincott Williams & Wilkins.

引用

页码：32 / 37

页数：6

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