|
Clinical experience of Ganz surgical dislocation approach for metal-on-metal
hip resurfacing
Beaulé PE, Shim P, Banga K 2009 Jun 24
http://www.ncbi.nlm.nih.gov/pubmed/19553070
The Ottawa Hospital, University of Ottawa, Ottawa, Ontario, Canada.
Although the posterior approach is the most commonly used for hip resurfacing,
concerns remain in terms of risk of femoral neck fracture secondary to an
osteonecrotic event. The purpose of this study was to look at the short-term
results of metal-on-metal hip resurfacing done by the vascular-preserving
surgical approach as developed by Ganz in 116 hip resurfacing arthroplasties
performed in 106 patients (86 men, 20 women; mean age, 46.5 years; range,
19-62). At a mean follow-up of 38.3 months (range, 12-84), Harris Hip Scores
improved significantly from 53.1 to 90.16 (P < .001). There were 10 nonunions
(8.7%) and 21 hips (18.3%) requiring screw removal for painful bursitis. Two
hips underwent conversion to total hip arthroplasty: one at 18 months for
femoral loosening and one at 7 years for acetabular loosening. Although the
trochanteric slide approach as developed by Ganz provides excellent exposure to
the hip joint and preserves femoral head vascularity, it does carry some
inherent morbidity in regard to the greater trochanter. |
