The results of total arthroplasty for developmental dysplasia of the hip


  • A.I. Kanziuba SHEI “Uzhhorod National Medical University”, Uzhhorod, Ukraine
  • D.A. Yurchenko SRI TA Donetsk National University, Lyman, Ukraine



hip dysplasia, arthroplasty, results


Background. In developmental dysplasia of the hip joint in adults, total arthroplasty is recognized as a non-alternative surgical intervention. In scientific and practical aspects, the main task of arthroplasty is the maximum restoration of musculoskeletal function or compensation of biomechanical disorders, as well as providing conditions for the long-term preservation of the stability of the implant. The purpose of this work is to investigate the factors that determine the results of total arthroplasty for developmental hip dysplasia in the middle follow-up period. Materials and methods. There were examined 84 patients who underwent total hip arthroplasty for developmental hip dysplasia during 2014–2019. The timing for evaluating the results was chosen based on the observations that a certain stable level of the achieved result is formed in the period from 1 to 3 years, depending on the severity of the anatomical disorders. Results. A total of 116 total arthroplasty operations were performed. Of these, there were dysplasia Crowe type I in 52 (44.8 %) cases, type II — in 34 (29.4 %), type III — in 26 (22.4 %), type IV — in 4 (3.4 %) cases. The concept of the study was to study the factors that influence the choice of surgical tactics, especially after surgical rehabilitation treatment and functional results in the medium term. Generalized results on the W. Harris scale are as follows: excellent (average score 92.3) — 39 (46.4 %), good (average score 86.6) — in 26 (30.9 %), satisfactory (average score 78.3) — in 15 (17.9 %), unsatisfactory (average score 67.4) — in 4 (4.8 %). The condition of the bone and soft tissues of the hip as well as the degree of anatomical abnormalities are critical for the successful implementation of arthroplasty. After arthroplasty for II and III types of dysplasia, limping, leg length discrepancy, and a feeling of muscle weakness are observed. They are caused by such factors as asymmetric hip rotation, violation of the femoral offset, scoliotic deformity of the lumbar spine. Conclusions. After arthroplasty for hip dysplasia, patients need more prolonged rehabilitation treatment and the results of arthroplasty are determined by the degree of compensation of anatomical and functional disorders achieved.


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Original Researches