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Published on: September 7, 2022
[Total hip replacement in patients with ankylosing spondylitis.]
Summary
Total hip replacement offers favorable outcomes for ankylosing spondylitis patients. Cemented implants show excellent 13-year results, while cementless options require longer follow-up for comparison.
Area of Science:
- Orthopedic Surgery
- Rheumatology
Context:
- Ankylosing spondylitis (M. Bechterev) frequently necessitates hip arthroplasty due to disease progression.
- Evaluating long-term outcomes of total hip replacement (THR) in this patient cohort is crucial.
Purpose:
- To assess and compare the outcomes of cemented and cementless total hip replacements in patients with ankylosing spondylitis.
- To analyze complications and functional results using the Harris score (HS).
Summary:
- This study reviewed 66 total hip replacements in 41 ankylosing spondylitis patients (1985-1997).
- Cemented (n=24, 13-year follow-up) and cementless (n=39, 6-year follow-up) implants demonstrated favorable average Harris scores (86.2 and 86.4, respectively).
- Minimal periarticular ossification and low complication rates (one dislocation, two re-operations for loosened cementless cups) were observed. No infections occurred.
Impact:
- Cemented THR is recommended for ankylosing spondylitis based on favorable 13-year results.
- Further long-term data is needed to definitively compare cementless implant performance over similar timeframes.
