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Total hip replacement for juvenile chronic arthritis
J D Witt1, M Swann, B M Ansell
1Wexham Park Hospital, Slough, England.
The Journal of Bone and Joint Surgery. British Volume
|September 1, 1991
Summary
Total hip replacements in juvenile chronic arthritis patients showed a 25% revision rate and signs of loosening in many cases. Long-term outcomes highlight challenges in managing this patient group.
Area of Science:
- Orthopedic Surgery
- Rheumatology
- Biomedical Engineering
Background:
- Juvenile chronic arthritis (JCA) significantly impacts joint function, often necessitating surgical intervention.
- Total hip replacement (THR) is a common procedure for end-stage hip disease in adults, but its long-term efficacy in JCA patients is less understood.
- Adolescent and young adult patients present unique challenges for joint replacement due to high activity levels and longer life expectancy.
Purpose of the Study:
- To evaluate the long-term clinical and radiographic outcomes of primary total hip replacements in patients diagnosed with juvenile chronic arthritis.
- To determine the failure rate, including revision surgeries and radiographic signs of loosening, in this specific patient cohort.
- To identify potential factors contributing to the observed success or failure rates of THR in JCA.
Main Methods:
- A retrospective review of 96 primary total hip replacements performed in 54 patients with juvenile chronic arthritis.
- Follow-up data collected at five years or longer post-surgery, with an average follow-up of 11.5 years.
- Assessment of clinical outcomes including pain, range of motion, mobility, and function, alongside radiographic evaluation for signs of loosening.
Main Results:
- A significant revision rate of 25% (24 hips) was observed, with revisions occurring at an average of 9.5 years post-primary surgery.
- Radiographic signs of loosening were present in an additional 17 hips.
- Clinical outcomes related to pain, range of movement, mobility, and function were documented, though specific quantitative data is detailed within the full study.
Conclusions:
- Primary total hip replacement in juvenile chronic arthritis patients demonstrates a relatively high failure rate, necessitating revision surgery in a substantial proportion of cases.
- Radiographic evidence of loosening is a common concern, suggesting potential long-term challenges with implant survival in this population.
- Further investigation into surgical techniques, implant selection, and patient-specific factors is warranted to improve outcomes for JCA patients undergoing total hip replacement.