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Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_15 | Pages 68 - 68
1 Mar 2013
Jassim S Marson N Benjamin-Laing H Douglas S Haddad F
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Introduction

Technology in Orthopaedic surgery has become more widespread in the past 20 years, with emerging evidence of its benefits in arthroplasty. Although patients are aware of benefits of conventional joint replacement, little is known on patients' knowledge of the prevalence, benefits or drawbacks of surgery involving navigation or robotic systems.

Materials & Methods

In an outpatient arthroplasty clinic, 100 consecutive patients were approached and given questionnaires to assess their knowledge of Navigation and Robotics in Orthopaedic surgery. Participation in the survey was voluntary.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_15 | Pages 186 - 186
1 Mar 2013
Jassim S Patel S Wardle N Tahmassebi J Middleton R Shardlow D Stephen A Hutchinson J Haddad F
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Introduction

In Total Hip Arthroplasty (THA), polyethylene wear reduction is key to implant longevity. Oxidized Zirconium (OxZi) unites properties of a ceramic bearing surface and metal head, producing less wear in comparison to standard Cobalt-Chromium (CoCr) when articulating with Cross-linked polyethylene (XLPE) in vitro. This study investigates in vivo polyethylene (PE) wear, outcomes and complications for these two bearing couples in patients at 5 year follow-up

Methods

400 patients undergoing THA across four institutions were prospectively randomised into three groups. Group I received a cobalt-chrome (CoCr) femoral head/ cross-linked polyethylene (XLPE) liner; Group II received an OxZi femoral head/ ultrahigh molecular weight polyethylene (UHMWPE) liner; Group III received an OxZi femoral head/XLPE liner. All bearing heads were 32 mm. Linear wear rate was calculated with Martell computer software. Functional outcome and complications were recorded.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_1 | Pages 202 - 202
1 Jan 2013
Jassim S Marson N Benjamin-Laing H Douglas S Haddad F
Full Access

Introduction

Technology in Orthopaedic surgery has become more widespread in the past 20 years, with emerging evidence of its benefits in arthroplasty. Although patients are aware of benefits of conventional joint replacement, little is known on patients' knowledge of the prevalence, benefits or drawbacks of surgery involving navigation or robotic systems.

Materials and methods

In an outpatient arthroplasty clinic, 100 consecutive patients were approached and given questionnaires to assess their knowledge of Navigation and Robotics in Orthopaedic surgery. Participation in the survey was voluntary.


Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_1 | Pages 218 - 218
1 Jan 2013
Benjamin-Laing H Jassim S Liekens K Haddad F
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Background

Adductor muscle and tendon injuries are commonly seen in sport. Complete adductor avulsions have been described and can be managed non-operatively or operatively. A rare variant of this injury is the complete avulsion of the adductor complex with the pectineus and rectus abdominus amounting to a complete sleeve avulsion from the pubis. This is a severe injury that is increasingly recognised due to improved imaging and lower diagnostic threshold.

Purpose

We describe the surgical management of twelve athletes with this severe injury.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XL | Pages 79 - 79
1 Sep 2012
Vanhegan I Jassim S Sturridge S Ahir S Hua J Witt J Nielsen P Blunn G
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Introduction

A new conservative hip stem has been designed to address the complex problem of total hip arthroplasty in the younger population.

Objectives

To assess the stability and strain distribution of a new conservative hip stem.