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A Modified Posterior Approach Preserves
Femoral Head Oxgenation During Hip Resurfacing
Steffen RT, De Smet KA, Murray DW, Gill HS 2010 Mar 22
Original Link
http://www.ncbi.nlm.nih.gov/pubmed/20334994?dopt=AbstractPlus
Nuffield Department of Orthopaedics, Rheumatology and
Musculoskeletal Sciences, University of Oxford, Nuffield
Orthopaedic Centre, Oxford, UK.
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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