• Department of Orthopedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China;
YANG Jing, Email: cd-yangjing@163.com
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ObjectiveTo explore the mid-term effectiveness of total hip arthroplasty (THA) with subtrochanteric shortening osteotomy in treatment of Crowe type Ⅳ developmental dysplasia of the hip (DDH).MethodsBetween September 2009 and March 2014, a total of 49 patients (57 hips) who were diagnosed with Crowe type Ⅳ DDH were treated with THA and subtrochanteric shortening osteotomy. Of the 49 patients, 7 were male and 42 were female with an average age of 44.6 years (range, 20-73 years). The preoperative Harris score was 44.68±3.39 and the preoperative leg length discrepancy was (5.27±0.55) cm.ResultsAll incisions healed primarily. All patients were followed up 32-87 months (mean, 52.1 months). At last follow-up, the Harris score was 85.67±2.89 and the leg length discrepancy was (1.12±0.48) cm, showing significant differences when compared with the preoperative values (t=–69.53, P=0.00; t=42.94, P=0.00). X-ray films showed that bone union of the femoral osteotomy end at 6 months after operation. There was no loosening and subsidence of prosthesis at last follow-up.ConclusionThe subtrochanteric shortening osteotomy with THA in treatment of Crowe type Ⅳ DDH can obtain satisfactory mid-term effectiveness with low risk of peripheral vascular and nerve traction injuries.

Citation: YIN Shijiu, LI Ruibo, MOU Ping, ZHONG Hang, YANG Jing. Mid-term effectiveness of total hip arthroplasty with subtrochanteric shortening osteotomy in treatment of Crowe type developmental dysplasia of hip . Chinese Journal of Reparative and Reconstructive Surgery, 2018, 32(4): 385-388. doi: 10.7507/1002-1892.201711053 Copy

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