期刊
JOURNAL OF ARTHROPLASTY
卷 38, 期 8, 页码 1621-1627出版社
CHURCHILL LIVINGSTONE INC MEDICAL PUBLISHERS
DOI: 10.1016/j.arth.2023.01.037
关键词
iliopsoas; tendinitis; tendinosis; groin pain; leg lengthening; total hip arthroplasty
类别
This study aimed to report the characteristics, incidences, risk factors, and treatment outcomes of Iliopsoas tendinopathy (IPT) after total hip arthroplasty (THA). IPT occurred in 3.3% of the patients who underwent THA, and leg lengthening and prominent acetabular cup were associated with its development. Arthroscopic tenotomy was effective in relieving groin pain caused by IPT.
Background: Iliopsoas tendinopathy (IPT) can cause persistent groin pain and lead to dissatisfaction after total hip arthroplasty (THA). This study aimed to report the characteristics, incidences, risk factors, and treatment outcomes of IPT after THA. Methods: We reviewed primary THAs performed at a single institution between January 2012 and May 2018. Clinical and radiographic analyses were performed on 1,602 THAs (1,370 patients). Patient characteristics, component sizes, inclination and anteversion angles, and antero-inferior cup prominence (& GE;8 millimeters (mm)), were compared between the groups with and without IPT. Changes in teardrop to lesser trochanter distance were measured to estimate changes in leg length and horizontal offset caused by THA. Logistic regression models were used to identify the risk factors for IPT. IPT was identified in 53 hips (3.3%). Results: Patients with IPT had greater leg lengthening (12.3 versus 9.3 mm; P = .001) and higher prevalence of antero-inferior cup prominence (5.7 versus 0.4%; P = .002). There was no significant difference in inclination, anteversion, and horizontal offset change between the two groups. In multivariate analyses, greater leg lengthening, prominent acetabular cup, women, and higher body mass index were associated with IPT. All patients reported improvement in groin pain after arthroscopic tenotomy, while 35.7% with nonoperative management reported improvement (P < .001). Conclusions: Symptomatic IPT occurred in 53 (3.3%) of the 1,602 primary THAs. Our findings suggest that leg lengthening as well as prominent acetabular cup in THAs can be associated with the development of IPT. Arthroscopic tenotomy was effective in relieving groin pain caused by IPT. & COPY; 2023 Elsevier Inc. All rights reserved.
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