Stricter correction of leg length discrepancy is required during total hip arthroplasty in patients with ankylosing spondylitis

BMC Musculoskeletal Disorders

Research

Jae Young Beom¹  Min-Gwang Kim¹  Chae-Jin Im¹  Kyung-Soon Park¹  Taek-Rim Yoon¹  Chan Young Lee¹ 

[1] Department of Orthopaedic Surgery, Chonnam National University Medical School and Hospital, Seoyang-ro 322, Hwasun-gun, 58128, Chonnam, Republic of Korea;

关键词: Ankylosing spondylitis;    Coronal balance;    Leg length discrepancy;    Total hip arthroplasty;   

DOI  :  10.1186/s12891-023-06908-7

 received in 2023-01-11, accepted in 2023-09-22,  发布年份 2023

来源: Springer

【 摘 要 】

BackgroundPatients with ankylosing spondylitis often have fusions in the spine and sacroiliac joints, such that it is difficult to compensate for leg length discrepancy (LLD).MethodsWe retrospectively measured the LLD after total hip arthroplasty (THA) in 89 patients with ankylosing spondylitis from June 2004 to February 2021 at our institute. Patients were divided into two groups based on an LLD of 5 mm. Clinical outcomes were investigated using the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) and Harris Hip Score (HHS). In addition, these points are investigated: patient satisfaction with the operation; whether there was a current difference in leg length; and whether there was a limping gait.ResultsThe group with an LLD of 5–10 mm rather than < 5 mm had significantly worse WOMAC pain and stiffness. The survey revealed statistically significant differences in patient satisfaction with the operation, limping gait, and whether back pain had improved.ConclusionFor patients with ankylosing spondylitis, reducing the LLD to < 5 mm, which is more accurate than the current standard of < 10 mm, may produce greater improvement in clinical outcomes after hip arthroplasty.

【 授权许可】

CC BY   
© BioMed Central Ltd., part of Springer Nature 2023

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