Viability of femoral heads treated with resurfacing arthroplasty.
There is a general conception that resurfacing arthroplasty causes femoral head osteonecrosis and subsequent failure of the implant. This study histologically analyzed 25 resurfaced femoral heads up to 12 years postoperatively and found that osteonecrosis was not induced by the procedure.
Campbell
P
P
The Joint Replacement Institute of Orthopaedic Hospital, Los Angeles, California 90007, USA.
Mirra
J
J
Amstutz
H C
HC
D019644:Arthroplasty, Replacement, Hip; D005270:Femur Head / Q000473:pathology*; D005271:Femur Head Necrosis / Q000209:etiology / Q000473:pathology*; D006622:Hip Prosthesis; D006801:Humans; D008875:Middle Aged; D012086:Reoperation; D013997:Time Factors