Hip damage occurs at the zone of femoroacetabular impingement

Tannast, M; Goricki, D; Beck, M; Murphy, SB; Siebenrock, KA (2008). Hip damage occurs at the zone of femoroacetabular impingement. Clinical orthopaedics and related research, 466(2), pp. 273-80. Heidelberg: Springer-Verlag 10.1007/s11999-007-0061-y

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Although current concepts of anterior femoroacetabular impingement predict damage in the labrum and the cartilage, the actual joint damage has not been verified by computer simulation. We retrospectively compared the intraoperative locations of labral and cartilage damage of 40 hips during surgical dislocation for cam or pincer type femoroacetabular impingement (Group I) with the locations of femoroacetabular impingement in 15 additional hips using computer simulation (Group II). We found no difference between the mean locations of the chondrolabral damage of Group I and the computed impingement zone of Group II. The standard deviation was larger for measures of articular damage from Group I in comparison to the computed values of Group II. The most severe hip damage occurred at the zone of highest probability of femoroacetabular impact, typically in the anterosuperior quadrant of the acetabulum for both cam and pincer type femoroacetabular impingements. However, the extent of joint damage along the acetabular rim was larger intraoperatively than that observed on the images of the 3-D joint simulations. We concluded femoroacetabular impingement mechanism contributes to early osteoarthritis including labral lesions. LEVEL OF EVIDENCE: Level II, diagnostic study. See the Guidelines for Authors for a complete description of levels of evidence.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Orthopaedic, Plastic and Hand Surgery (DOPH) > Clinic of Orthopaedic Surgery

UniBE Contributor:

Tannast, Moritz; Beck, Martin and Siebenrock, Klaus-Arno

ISSN:

0009-921X

ISBN:

18196406

Publisher:

Springer-Verlag

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 15:03

Last Modified:

23 Oct 2019 14:48

Publisher DOI:

10.1007/s11999-007-0061-y

PubMed ID:

18196406

Web of Science ID:

000253164100004

BORIS DOI:

10.7892/boris.27484

URI:

https://boris.unibe.ch/id/eprint/27484 (FactScience: 107870)

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