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J Bone Joint Surg Br. 2006 Jul;88(7):883-6.

The transverse acetabular ligament: an aid to orientation of the acetabular component during primary total hip replacement: a preliminary study of 1000 cases investigating postoperative stability.

Author information

1
Outcomes Unit Musgrave Park Hospital, Stockmans Lane, Belfast BT9 7JB, Northern Ireland. poolerarchbold@aol.com

Abstract

Ensuring the accuracy of the intra-operative orientation of the acetabular component during a total hip replacement can be difficult. In this paper we introduce a reproducible technique using the transverse acetabular ligament to determine the anteversion of the acetabular component. We have found that this ligament can be identified in virtually every hip undergoing primary surgery. We describe an intra-operative grading system for the appearance of the ligament. This technique has been used in 1000 consecutive cases. During a minimum follow-up of eight months the dislocation rate was 0.6%. This confirms our hypothesis that the transverse acetabular ligament can be used to determine the position of the acetabular component. The method has been used in both conventional and minimally-invasive approaches.

PMID:
16798989
DOI:
10.1302/0301-620X.88B7.17577
[Indexed for MEDLINE]

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