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Journal of Bone and Joint Surgery - British Volume, Vol 88-B, Issue 7, 883-886.
doi: 10.1302/0301-620X.88B7.17577  
Copyright © 2006 by British Editorial Society of Bone and Joint Surgery
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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

H. A. P. Archbold, MRCS, Belfast Arthroplasty Research Fellow1; B. Mockford, MRCS, MPhil, Specialist Registrar1; D. Molloy, MRCS, Belfast Arthroplasty Research Fellow1; J. McConway, MRCS, Belfast Arthroplasty Research Fellow1; L. Ogonda, FRCS, MPhil, Specialist Registrar1; and D. Beverland, MD, FRCS(Orth), Consultant Orthopaedic Surgeon1

Outcomes Unit Musgrave Park Hospital, Stockmans Lane, Belfast BT9 7JB, Northern Ireland.

Correspondence should be sent to Mr H. A. P. Archbold; e-mail: poolerarchbold{at}aol.com

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.




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P. E. Murtha, M. A. Hafez, B. Jaramaz, and A. M. DiGioia III
Variations in acetabular anatomy with reference to total hip replacement
J Bone Joint Surg Br, March 1, 2008; 90-B(3): 308 - 313.
[Abstract] [Full Text] [PDF]

eLetters:

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The transverse acetabular ligament
Hammad Malik
J Bone Joint Surg Br Online, 7 Aug 2006 [Full text]
The ideal version of the socket and transverse acetabular ligament ( TAL)
SHAHZAD SADIQ
J Bone Joint Surg Br Online, 3 Oct 2006 [Full text]

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Hip, Knee, Trauma, Upper limb, Foot & Ankle, Paediatrics, Oncology, Spine, Arthroplasty, General