Flap harvesting should not result in unacceptable loss of function or change in appearance (cosmesis) at the donor site.
Flap vascular pedicle should be carefully evaluated. The length of the pedicle and the status of the vessels are of great importance. Diseased vessels are not uncommonly found in diabetics and in patients with arteriosclerosis when flaps are taken from the lower part of the body, below the aortic bifurcation.
Ease of flap procurement and familiarity of the surgeon with flap dissection are two other factors that may influence the choice of the flap to be transferred.
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