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Journal of Chinese Physician ; (12): 1318-1321, 2010.
Artículo en Chino | WPRIM | ID: wpr-386239

RESUMEN

Objective An experiment study on the femoral head plastic operation to prevent and treat aseptic necrosis of the femoral head. Methods 60 Chinese white rabbits were equally random divided into 4 groups. The four groups except A group were made a globose defect and filled with 95% alcohol tampon for 30 minutes. The B group was natural repair group. The C group was filled with bone cement after being made defect. The D group was filled with bone cement added barium sulfate agent after being made defect. After 12 weeks, all rabbits in four groups were killed. The specimens were random divided into two parts. The articular cartilage was observed and measured immediately. The other specimen was determined with histological examination and extreme anti-pressure rigidity test . Result The femoral heads of bone cement group and the femoral heads of contrast agent bone cement group kept their outline all the time through the articular cartilage observation. After 12 weeks the cartilage thickness of natural repair group (511.74 ± 69.00) was thinner than the other three groups [ control group ( A group ) (511.74 ± 69 00 );Bone cement group ( C group) (468. 36 ± 82. 99 ); Bone cement group contrast agent ( D group ) ( 515.61 ±64. 65 ) ], and it had significant difference ( P < 0. 05, P < 0. 01 ). The rigidity of natural repair group [ (676. 57 ±50. 92) N/mm] had significant difference with that of the other three groups[ A group( 884. 66±52. 29)N/mm;C group(1178.40 ± 170.45) N/mm;D group(928.60 ± 104.42) N/mm] ( P <0.05, P<0. 01 ). Conclusions Femoral head plastic operation was simple and it could release pain. And femoral head outline could be kept integrity. It would be a new operation which was used to treat young patients in Ficat Ⅱ~Ⅲ period to postpone or substitute total hip replacement.

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