A modified posterior approach preserves femoral head oxgenation during hip resurfacing

Reference:

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.

Related documents:

Official URL:

http://dx.doi.org/10.1016/j.arth.2009.12.018

Related URLs:

• http://www.ncbi.nlm.nih.gov/pubmed/20334994

Abstract

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.

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