All rabbits had MSCT perfusion before sacrifice. MSCT perfusion parameters of bilateral femoral head including blood flow(BF),peak enhanced attenuation(PEA),peak transit time(PTT),mean transit time(MTT) were calculated.

• 所有动物于处死前行双侧股骨头MSCT灌注检查,计算血流量、峰值增强值(PEI)、峰值增强时间(PTT)、平均通过时间(MTT)等指标。