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Extra-Articular Impingement at the Anterior Inferior Iliac Spine: A Cause of Refractory Periarticular Pain After Total Hip Arthroplasty

Journal Contribution - Journal Article

Background: Periarticular pain after total hip arthroplasty (THA) can significantly impair the post-operative functionality. Extra-articular impingement between the greater trochanter and the anterior inferior iliac spine is presented as a cause of refractive pain after THA. Methods: Twenty patients were treated for refractive periarticular pain and limited internal rotation between January 2014 and April 2016. All patients underwent a positive chair rise test, pelvic inclination test, and Marcainisation test. Patients were treated with bone resection of the anterior part of the greater trochanter with or without component revision. Results: At a mean follow-up of 20 months, all functional outcomes had improved significantly. All patients were willing to undergo the surgery again. Sixteen (80%) indicated the result as very good, 3 (15%) as good, and one (5%) as poor. Two patients developed a postoperative heterotopic ossification that required resection. Conclusions: Extra-articular impingement should be considered as a possible cause of refractive groin pain after THA. Bony resection through the Hueter interval provides immediate pain relief with improved functional outcomes 1 year after surgery.
Journal: Arthroplasty Today
ISSN: 2352-3441
Issue: 4
Volume: 6
Pages: 845 - 849
Publication year:2020
Keywords:Revision hip arthroplasty, Groin pain, Extra-articular impingement
BOF-keylabel:yes
Accessibility:Open