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Groin Pain after Open FAI Surgery: The Role of Intraarticular Adhesions

  • Symposium: Femoroacetabular Impingement: Current Status of Diagnosis and Treatment
  • Published:
Clinical Orthopaedics and Related Research

Abstract

Femoroacetabular impingement (FAI) is an established cause of osteoarthrosis of the hip. Surgery is intended to remove the cause of impingement with hip dislocation and resection of osseous prominences of the acetabular rim and of the femoral head-neck junction. Using the Merle d’Aubigné score and qualitative categories, recent studies suggest good to excellent outcomes in 75% to 80% of patients after open surgery with dislocation of the femoral head. Unsatisfactory outcome is mainly related to pain, located either in the area of the greater trochanter or in the groin. There are several reasons for persisting groin pain. Joint degeneration with joint space narrowing and/or osteophyte formation, insufficient correction of the acetabula, and femoral pathology are known factors for unsatisfactory outcome. Recently, intraarticular adhesions between the femoral neck and joint capsule have been identified as an additional cause of postoperative groin pain. The adhesions form between the joint capsule and the resected area on the femoral neck and may lead to soft tissue impingement. MR-arthrography is used for diagnosis and the adhesions can be treated successfully by arthroscopy. While arthroscopic resection improves outcome it is technically demanding. Avoiding the formation of adhesions is important and is perhaps best accomplished by passive motion exercises after the initial surgery.

Level of Evidence: Level V, expert opinion. See the Guidelines for Authors for a complete description of levels of evidence.

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Correspondence to Martin Beck MD.

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The author certifies that he or she has no commercial associations (eg, consultancies, stock ownership, equity interest, patent/licensing arrangements, etc) that might pose a conflict of interest in connection with the submitted article.

The author certifies that his or her institution has approved the human protocol for this investigation and that all investigations were conducted in conformity with ethical principles of research.

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Beck, M. Groin Pain after Open FAI Surgery: The Role of Intraarticular Adhesions. Clin Orthop Relat Res 467, 769–774 (2009). https://doi.org/10.1007/s11999-008-0653-1

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  • DOI: https://doi.org/10.1007/s11999-008-0653-1

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