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Abstract
It is accepted that small arterialised venous flaps (AVF) can survive on a recipient bed with poor blood supply but survival of larger flaps is not always satisfactory. Possible reasons for this include the flap anatomy, particularly the pattern of the venous network, or factors at the recipient site. To investigate the possible factors in the flap design and the recipient site of an arterialised venous flap, we studied the relationship between (1) size of the artery used to arterialise the flap at the recipient site and the survival rate and (2) the number of draining veins and the survival rate, using rabbit ear skin flap models. Our results suggest that AVFs may become necrotic in the presence of a relative excess of arterial blood inflow, and that two exit veins are more effective than one.
We also report a case where a 10 × 15 cm sized free AVF harvested from the lower extremity survived on the forearm.
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Article info
Publication history
Accepted:
April 29,
1992
Received:
February 24,
1992
Identification
Copyright
© 1993 The British Association of Plastic Surgeons. Published by Elsevier Inc.
