Short-term results of total hip arthroplasty in patients with ankylosing spondylitis (preliminary report)

Introduction The systemic nature of the disease and the use of modern conservative therapy may cast doubt on the effectiveness and necessity of total hip arthroplasty (THA) in ankylosing spondylitis (AS). A comprehensive assessment of the functional state, quality of life (QOL) and subjective assessment of patients allows the most complete analysis of treatment results.

Objective. Comprehensive analysis of short-term results of quality of life, clinical and functional status and treatment satisfaction in patients with AS after THA.

Materials and methods. 17 patients with AS underwent primary THA (5 women, 12 men, average age 43.8 ± 3.1; from 33 to 52 years). Cases of complete bone ankylosis of the hip joint were excluded. An analysis of the functional state using Harris Hip Score and QOL (SF-36v2) was performed before surgery, 2 months, 6 months and 12 months after surgery. Patient treatment satisfaction analysis (VAS) was performed at the same follow-ups.

Results. A significant improvement in clinical and functional status (HHS) and QOL (SF-36v2) was obtained after 2, 6, 12 months compared with the preoperative level (p less 0.05). High levels of patient satisfaction with treatment outcomes were achieved. Para-articular ossification (3 patients, 18 %), a hematoma in the postoperative wound area (1 patient, 6 %), implant dislocation (1 patient, 6 %) were the main complications.

Conclusion. THA in patients with AS improves not only the functional state but also the QOL compared with the preoperative level.

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