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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.