Nuffield Department of Orthopaedics, University of Oxford, Nuffield Orthopaedic Centre, Oxford, UK.
J Arthroplasty. 2011 Apr;26(3):404-8. doi: 10.1016/j.arth.2009.12.018. Epub 2010 Mar 23.
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.
在 11 名患者中，使用改良的后路入路（旨在保留血供），通过气体敏感电极测量股骨头的超外侧象限在表面置换术中的氧合情况。将这些测量结果与 10 名使用标准后路入路的患者进行比较。改良入路组患者在入路后和髋臼组件植入后保持了显著更高的相对氧合量（P <.005），分别为 78%（标准差[SD]，45%）和 38%（SD，26%），74%（SD，56%）和 20%（SD，28%）。与标准的延长入路不同，改良后路入路不会显著影响股骨头的血液供应；因此，我们建议在髋关节表面置换术中考虑使用这种入路。
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