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《Journal of Xi'an Jiaotong University(Medical Sciences)》 1992-01
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EXPERIMENTAL STUDY ON REESTABLISHMENT OF THE BLOOD SUPPLY TO THE FEMORAL HEAD BY FREE FIBULAR GRAFT WITH MICROVASCULAR ANASTOMOSIS

Wang Kunzheng, Mao Lizhen, He Xijing et al (Department of Orthopedics, Second Affiliated Hospital)  
The authors adopted an auto control experimental research on 18 male adult dogs with 36 sides of femoral heads and necks which were divided into two groups. They were separately made models of old fracture of femoral neck and avascular necrosis of famoral head. Two wecks later, The free fibula with microvascular an astomosis was tranplanted. All experimental dogs were examined with X-ray, pathohitology, electron microscopy, 99~mTc-MDP scanning and tetracycling labeling after operation.The experiment showed that the free fibular graft with mierovascular anastomosis could provided a new system of vascula supply to the injured femoral head. The hard free fibula and the metallic internal fixation were inserted in femoral head and neck. After the Operation, in the fracture area the fibula formed a bone-bridge which not only diminished the stress force but also prevented rotation displacement of the bone fracture The periosteum of the transplanted fibula also took part in the repair course of avascular nerosis of femoral head.
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