Dissertation
Dissertation > Medicine, health > Surgery > Orthopaedic Surgery ( movement system diseases,orthopedic surgery ) > Orthopedic surgery and surgery > Joint Surgery > Arthroplasty

Total Hip Arthroplasty in the Ankylosed Hip

Author WangBo
Tutor ASiHaErJiang·MaiMaiTiYiMing
School Xinjiang Medical University
Course Surgery
Keywords ankylosed hip arthroplasty replacement hip treatment outcome
CLC R687.42
Type Master's thesis
Year 2013
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Objective: To study the characteristics and clinical outcomes of total hip arthroplasty(THA) in patients with ankylosed hip, especially with bony ankylosis in non-functionalposition. Methods:65patients (70hips) with AH underwent THA from February2002toJuly2012were reviewed retrospectively. All of the patients were followed-up.Radiographic and clinical evaluations were taken at1month,3months,6months,1yearafter operation and then once a year postoperatively. All patients were evaluated usingHarris score standardization. The average score was41.3±15.8. The hips were flexiondeformity and hip flexion was31.4°, abduction and adduction limited. Results: Theaverage time of the operation was108.4minutes (ranging from90to120minutes). All ofthese patients were followed for average80months (ranging from21to123months). Theaverage Harris score was86.5±13.4at the latest follow-up, and there was statisticaldifference compared with the preoperative score (P<0.05). Hip flexion increased to82°,adduction to14°, abduction to13°, internal rotation to14°, external rotation to18°.59patients (61hips) were satisfied and they were able to live by themselves.3patients (5hips) were dissatisfied and their lives could not provide for themselves. The rate ofexcellent and good was87.1%.Conclusion: The THA is a very effective treatment forpatients with AH. The perfect rehabilitation care is one of the main factors influencing theoutcomes of THA for patients with AH.

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