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LYNDELL LEVITT bs dvm mvsc J. DAVID FOWLER bs dvm mvsc MIKE LONGLEY mb ChB VAUGHAN BOWEN mb ChB frcsc A. A. WILKINSON mb frcpc 《Veterinary surgery : VS》1988,17(4):194-202
An autogenous free vascular bone transfer using a segment of ulna along with its periosteum and vascular pedicle was developed. The vascular pedicle, based on the common interosseous artery and vein, emerged where muscular branches from the cranial interosseous artery enter the extensor carpi ulnaris and lateral digital extensor muscles. Four autogenous heterotopic (ulna to tibia) vascular transfers by microvascular anastomosis and two avascular transfers were performed to compare the osteogenic potential and viability of free revascularized grafts with avascular bone grafts. Successful microvascular anastomosis was demonstrated in three of the four vascular transfers by early bone scanning using technetium-labeled polyphosphate. Radiographically, there was more periosteal new bone and callus formation in the successfully revascularized bone transfers than in the failed vascular transfer and the avascular controls. Histologically, viable bone with an intact medullary and periosteal vascular supply was recognized in the grafts successfully revascularized by microvascular anastomosis. 相似文献
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Microneurovascular Free Digital Pad Transfer in the Dog 总被引：1，自引：0，他引：1
ANTHONY W. P. BASHER BVetMed MVSc MRCVS DiplomateACVS J. DAVID FOWLER DVM MVSc DiplomateACVS C. VAUGHAN BOWEN MB ChB FRCS EDWARD G. CLARK DVM MVSC DiplomateACVP NANCY L. CROSBY BSC AHT 《Veterinary surgery : VS》1990,19(3):226-231
By cadaver dissections, the fifth digit of the canine hind limb was determined to have a consistent neurovascular anatomy, and therefore be a suitable donor for an axial pattern digital pad flap. The defined digital pad flap was transferred to the region of an excised metacarpal pad by microneurovascular anastomoses in five operations on four dogs. One flap failure was considered to result from failure of the venous anastomosis. In all four successful transfers, cutaneous sensation was reestablished on average in 78 days. There was histologic evidence of nerve regeneration across the anastomosis in one dog at week 24. The transferred pads of three dogs monitored for 15 months underwent hypertrophic changes. There were no complications in two active dogs. In one dog, superficial ulceration of a region of the flap adjacent to the pad required surgical revision. This dog continued to show mild lameness after daily runs of 3 to 4 km. 相似文献
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