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Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XXXVII | Pages 533 - 533
1 Sep 2012
Oduwole K Cichy B Dillon J Wilson J O'beirne J
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Background

Controversy persists regarding preference between Herbert and Acutrak screw for internal fixation of scaphoid non-union. Acutrak screw has been shown to have better biomechanical compression properties than Herbert screw in the laboratory setting. The aim of this study was to assess the clinical, radiological and functional outcome of patients treated with the two different screw systems.

Methods

A retrospective review of the results of patients with scaphoid non-union treated by a single surgeon. Group 1 comprised of 61 patients treated with Herbert screw between July1996 and June2000 and Group 2 comprised of 71 patients treated with Acutrak screw between July 2000 and December 2005. Union rates were assessed radiologically and clinically. Functional outcome was measured by using modified Mayo wrist score.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XVII | Pages 34 - 34
1 May 2012
Oduwole K Cichy B Dillon J Vusirikala M Wilson J O'Beirne J
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Introduction

It is well established that non-union of the scaphoid requires operative intervention to achieve stable union, restore scaphoid anatomy and prevent further degenerative change. Acutrak screw has been shown to have better biomechanical compression properties than the Herbert screw in the laboratory setting. The aims of the study were to assess the rate of union, the functional outcome and post- operative complications of patients with the two different screw systems.

Methods

A retrospective review of the patients who had undergone surgery for non-union of scaphoid treated by a single surgeon. The first group consisted of 61 patients who were treated with Herbert screw and iliac crest bone graft between July 1996 and June 2000. The rate and time to union were assessed clinically and radiologicaly. Their post-operative functional outcome was assessed with modified Mayo wrist score. Results were compared to second group of 71 patients treated with Acutrak screw plus iliac crest bone graft between July 2000 and December 2005.