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Journal of Bone and Joint Surgery - British Volume, Vol 91-B, Issue 1, 82-87.
doi: 10.1302/0301-620X.91B1.21039  
Copyright © 2009 by British Editorial Society of Bone and Joint Surgery
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Posterolateral rotatory laxity following surgery to the head of the radius

BIOMECHANICAL COMPARISON OF TWO SURGICAL APPROACHES

C. P. Charalambous, MBChB, MSc, FRCS(Tr & Orth), Orthopaedic Surgeon1; J. K. Stanley, MCh Orth, FRCS, FRCSE, Professor of Hand Surgery1; I. Siddique, MBChB, MRCS, Specialist Registrar1; A. Aster, FRCS, MSc, Specialist Registrar1; and O. Gagey, MD, PhD, Professor of Anatomy2

1 Department of Upper Limb Surgery, Wrightington Hospital, Hall Lane, Appley Bridge, Wigan, WN6 9 EP, UK.
2 Department of Anatomy, University Paris Descartes, Institute of Antomy, 45 rue des, Saints Péres, f-75270, Paris, France.

Correspondence should be sent to Mr C. P. Charalambous; e-mail: bcharalambos{at}hotmail.com

The lateral ligament complex is the primary constraint to posterolateral rotatory laxity of the elbow, and if it is disrupted during surgery, posterolateral instability may ensue. The Wrightington approach to the head of the radius involves osteotomising the ulnar insertion of this ligament, rather than incising through it as in the classic posterolateral (Kocher) approach. In this biomechanical study of 17 human cadaver elbows, we demonstrate that the surgical approach to the head can influence posterolateral laxity, with the Wrightington approach producing less posterolateral rotatory laxity than the posterolateral approach.






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