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Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_9 | Pages 94 - 94
1 May 2017
Grazette A Wylde V Dixon S Whitehouse S Blom A Whitehouse M
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Background

There is a paucity of long term data concerning the pre and postoperative patient reported function of total knee replacement. The aim of this study was to determine the mortality, implant survivorship, patient reported function and satisfaction in a cohort of 114 patients, from a single centre, who received a Kinemax total knee replacement more than 15 years ago.

Methods

Patients completed a questionnaire incorporating validated disease- and joint-specific scores, patient satisfaction and overall health preoperatively, at 3 months, 1 year, 2 years and a minimum of 15 years following surgery. NHS National Strategic Tracing Service, hospital and primary care records were used to establish mortality and for implant survivorship in deceased patients.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_8 | Pages 3 - 3
1 Apr 2017
Grazette A Foote J Whitehouse M Blom A
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Background

Dissociation of the polyethylene liner is a known failure mechanism of the Harris Galante I and II uncemented acetabular components. The outcomes of revision surgery for this indication and the influence of time to diagnosis are not well described.

Methods

We report a series of 29 cases revised due to this failure mechanism.


Orthopaedic Proceedings
Vol. 94-B, Issue SUPP_XLI | Pages 117 - 117
1 Sep 2012
Gupta A Cooke C Wilkinson M Grazette A
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Prospective Randomised Control trial of 300 patients over a period of 3 years, 1 year post op follow up. Local ethic approval was attained for the study.

Inclusion criteria: Age > 60, Consented to Participate in the study, Unstable Inter trochanteric fracture a) Sub trochanteric b) Medial Comminution c) Reverse Obliquity D)Severe Osteoporosis. Patients selected were randomized to Intra medullary Nail vs Hips screw. Variety of markers have been assessed: Pre OP: - Mechanism of injury, Mobility status, Pre OP ASA, Pre Op haemoglobin, living Conditions. Intra OP:- I.I Time, Time taken, Surgeon experience, Intra OP complications. Post OP:- Haemoglobin, mobility, radiographic analysis-Fracture stability and Tip Apex Distance, Thrombo embolic Complications. Follow up: - 6 weeks, 3,6,12 month follow up.

There is considerable debate in literature regarding superiority of Compression Hip screw over Intra medullary nail for fixation of stable per trochanteric fractures of the femur. Biomechanical studies have shown superiority of Intra medullary device over a Compression Hip screw.

Tenser et all showed an advantage over combined bending and compression failure. Mohammad et al found unstable subtrochanteric fractures with a gamma nail were stiffer. Kerush-Brinker showed that gamma nail had significantly greater fatigue strength and fatigue life. In unstable fractures Baumgartner et al found less intra op complications and less fluoroscopic time for a compression hip screw compared to a short intra medullary nail. There have been significant reports of fracture at the Tip of a short intra medullary nail. We think this complication can be avoided by using a long intra medullary device.

Both in Australia and abroad the choice of which device to use depends largely on the preference of the surgeon.