The application of periacetabular osteotomy through an auxiliary posterolateral approach in the treatment of hip dysplasia
10.3760/cma.j.cn121113-20231210-00377
- VernacularTitle:联合后外侧辅助入路髋臼周围截骨术治疗髋关节发育不良
- Author:
Tang LIU
1
;
Xianghong ZHANG
;
Hongxuan CHEN
;
Hui CHENG
;
Dianzhong LUO
;
Xuhan MENG
;
Chuan LI
Author Information
1. 中南大学湘雅二医院骨科，长沙 410011
- Keywords:
Developmental dysplasia of the hip;
Osteotomy;
Auxiliary posterolateral approach;
Learning curve
- From:
Chinese Journal of Orthopaedics
2024;44(16):1069-1076
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To investigate the outcomes of periacetabular osteotomy (PAO) through modified Smith-Petersen or Bikini approach with an auxiliary posterolateral incision for developmental dysplasia of hip (DDH).Methods:85 patients (97 hips) who underwent PAO through modified Smith-Petersen or Bikini approach with auxiliary posterolateral incision for DDH in the 920th Hospital of Joint Logistics Support Force of Chinese People's Liberation Army or the Second Xiangya Hospital of Central South University from January 2016 to January 2021 were retrospectively analyzed. There were 70 females and 15 males, with an average age of 28.6±8.4 years (12-49). According to the Hartofilakidis classification, all patients were classified as type Ⅰ. There were 77 hips classified as Grade 0 and 20 hips classified as Grade 1 according to the T?nnis classification. The X-ray evaluation including the lateral central edge angle (LCEA), t?nnis angle (TNS) and anterior central edge angle (ACEA), visual analogue score (VAS) and modified Harries hip score (mHHS) were recorded preoperatively and during each postoperative follow-up. The cumulative sum (CUSUM) method was used to fit the learning curves of operation time.Results:All patients were followed-up with an average of 52.7±18.9 months (21 to 84). The average operative time and intraoperative blood loss were 95.9±28.2 min (65 to 215) and 414.7±97.0 ml (250 to 900), respectively. The learning curve of operation time was 10 cases. The average LCEA 32.39° (30.29°, 34.92°), TNS 3.14° (1.56°, 5.67°) and ACEA 31.55° (29.07°, 33.88°) were all significantly improved compared to preoperative values ( Z=-30.764, P<0.001; Z=30.595, P<0.001; Z=-38.134, P<0.001). The average VAS was reduced from 5.18±0.88 points preoperatively to 1.27±0.93 points postoperatively with significant difference ( t=51.231, P<0.001). The average mHHS was increased from 73.12±9.17 to 92.02±4.05 postoperatively with significant difference ( t=-26.902, P<0.001). No patients received total hip arthroplasty during the follow-up period. Conclusion:Bernese PAO through modified Smith-Petersen or Bikini approach with a small auxiliary posterolateral incision was not only a safe and effective method for the treatment of DDH but also shortened the learning curve and reduced difficulty of the surgery.
