A modified posterior approach preserves femoral head oxgenation during hip resurfacing
Steffen, R. T., De Smet, K. A., Murray, D. W. and Gill, H. S., 2011. A modified posterior approach preserves femoral head oxgenation during hip resurfacing. Journal of Arthroplasty, 26 (3), pp. 404-408.
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In 11 patients, the oxygenation was measured in the superolateral quadrant of the femoral head during resurfacing with a modified posterior approach, designed to preserve the blood supply, using a gas-sensitive electrode. These were compared with measures from 10 patients in whom the standard posterior approach was used. The modified approach patients maintained a significantly (P <.005) higher amount of relative oxygenation after the approach, 78% (standard deviation [SD], 45%) vs 38% (SD, 26%), and acetabular component implantation, 74% (SD, 56%) vs 20% (SD, 28%). The modified posterior approach, unlike the standard extended approach, does not significantly compromise the blood supply to the head; and we recommend this approach be considered for hip resurfacing.
|Creators||Steffen, R. T., De Smet, K. A., Murray, D. W. and Gill, H. S.|
|Departments||Faculty of Engineering & Design > Mechanical Engineering|
|Research Centres||Centre for Orthopaedic Biomechanics|
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