The Concept of Femoroacetabular Impingement: Current Status and Future Perspectives

Femoroacetabular impingement (FAI) is a recently proposed mechanism causing abnormal contact stresses and potential joint damage around the hip. In the majority of cases, a bony deformity or spatial malorientation of the femoral head or head/neck junction, acetabulum, or both cause FAI. Supraphysiol...

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Bibliographic Details
Published in:Clinical orthopaedics and related research 2009-03, Vol.467 (3), p.616-622
Main Authors: Leunig, Michael, Beaulé, Paul E., Ganz, Reinhold
Format: Article
Language:English
Subjects:
Acetabulum - pathology
Acetabulum - surgery
Adolescent
Adult
Arthrography
Conservative Orthopedics
Femur Head - pathology
Femur Head - surgery
Hip Joint - pathology
Hip Joint - surgery
Humans
Joint Diseases - complications
Joint Diseases - diagnosis
Joint Diseases - surgery
Magnetic Resonance Imaging
Medicine
Medicine & Public Health
Orthopedic Procedures
Orthopedics
Osteoarthritis, Hip - etiology
Osteoarthritis, Hip - prevention & control
Risk Factors
Sports Medicine
Surgery
Surgical Orthopedics
Symposium: Femoroacetabular Impingement: Current Status of Diagnosis and Treatment
Treatment Outcome
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Summary:Femoroacetabular impingement (FAI) is a recently proposed mechanism causing abnormal contact stresses and potential joint damage around the hip. In the majority of cases, a bony deformity or spatial malorientation of the femoral head or head/neck junction, acetabulum, or both cause FAI. Supraphysiologic motion or high impact might cause FAI even with very mild bony alterations. FAI became of interest to the medical field when (1) evidence began to emerge suggesting that FAI may initiate osteoarthritis of the hip and when (2) adolescents and active adults with groin pain and imaging evidence of FAI were successfully treated addressing the causes of FAI. With an increased recognition and acceptance of FAI as a damage mechanism of the hip, defined standards of assessment and treatment need to be developed and established to provide high accuracy and precision in diagnosis. Early recognition of FAI followed by subsequent behavioral modification (profession, sports, etc) or even surgery may reduce the rate of OA due to FAI.
ISSN:0009-921X
1528-1132
DOI:10.1007/s11999-008-0646-0