Abstract
The purpose of this study was to investigate the effects of two different types of pedicle manipulation two weeks prior to harvesting of flow-through venous flaps (FTVF). The dorsal aspect of the ear of New Zealand white rabbits was used in the investigation. Two different delay procedures (manipulation of pedicle) were performed and compared to the single stage harvesting of FTVF. In the first delay (arterial ligation group), the central artery was ligated at the proximal and distal edge of the flap, and the flap was harvested after two weeks. In the second delay (arteriovenous shunt group), the central artery was anastomosed to the lateral caudal vein at the proximal part of the ear to create an arteriovenous shunt and to increase blood flow in the venous system. The FTVF was again harvested two weeks after the creation of the arteriovenous shunt. The survival rates and the superficial flap necrosis rates of the two different delay groups were compared to the nondelayed group.
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