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Chinese Journal of Joint Surgery(Electronic Edition) ›› 2021, Vol. 15 ›› Issue (02): 157-162. doi: 10.3877/cma.j.issn.1674-134X.2021.02.005

Special Issue:

• Clinical Research • Previous Articles     Next Articles

Clinical effects comparison of total hip arthroplasty with different approaches for treatment of femoral head necrosis

Qiliang Zhang1, Yu Yu2, Jian Zhou1, Xueren Teng1, Guoqing Ren1,()   

  1. 1. Department of Joint and Sports Medicine, Qingdao Municipal Hospital, Qingdao 266071, China
    2. Department of central operating room, Qingdao Municipal Hospital, Qingdao 266071, China
  • Received:2020-04-03 Online:2021-04-01 Published:2021-06-10
  • Contact: Guoqing Ren

Abstract:

Objective

To compare the clinical outcomes of direct anterior approach (DAA) and posterior approaches (PA) for primary unilateral total hip arthroplasty (THA) in the treatment of femoral head necrosis.

Methods

A total of 160 Ficat stageⅢ、Ⅳfemoral head necrosis patients who were undergoing primary unilateral THA were included into this study. Patients with bilateral surgery, preoperative hip disease, and previous trauma history were excluded. All the patients were divided into two groups by the random method. The operations were performed according to DAA and PA approaches. The complications, prosthesis location, Harris score, the Western Ontario and McMaster Universities (WOMAC) osteoarthritis index, short-form 36 item health survey questionnaire (SF-36) and forgotten joint score-12 were observed and compared between the two groups one and two years after operation. Independent sample t test and repeated measures analysis of variance were used for statistical analysis.

Results

A total of 128 patients were followed up for more than two years. There was no significant difference in baseline data between the two groups (P>0.05). There was no significant difference in acetabular anteversion, acetabular abduction and femoral off-set and complications between the two groups at two years post-operatively (t=0.834, 0.883, 1.733, all P>0.05; Fisher exact test P=1.000). There was no significant difference in Harris score between the two groups one and two years after operation(F=2.309, 2.965, both P>0.05). There were significant differences in WOMAC(F=4.699, P=0.034), mental component summary (MCS)(F=8.906, P=0.004) and physical component summary (PCS)(F=4.525, P=0.037) between the two groups at one year after operation.The WOMAC, MCS and PCS in DAA group were significantly higher than those in PA group. There was no significant difference in WOMAC, MCS and PCS scores between the two groups two years after operation (F=2.349, 2.608, 0.513, all P>0.05). There was significant difference in forgotten joint score-12 between the two groups one and two years after operation (F=4.832, P=0.032). The forgotten joint score-12 of DAA group was significantly higher than PA group.

Conclusions

Compared with PA approach, DAA approach has no difference in postoperative complications and prosthesis position, but it has some advantages in functional recovery, especially subjective feeling, within one year after operation. Two years after operation DAA still shows an advantage in self-perception. Long term differences in outcome requires further observation and more comprehensive evaluation.

Key words: Arthroplasty, replacement, hip, Surgical wound, Femur head necrosis

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