A. Flap failure in free-tissue transfer is about 20-25%.
B. Thrombosis of the artery is more common than the thrombosis of the vein.
C. The failure of arterial anastomosis occurres within the first 24 hours.
D. The failure of venous anastomosis occurres within the first 12 hours.
E. Bleeding will cause flap failure and therefore, aspirin is contraindicated in the postoperative period.
REFERENCES & ANSWER
Burkey B. B., Coleman J. R.: Microvascular Flaps, Chapter 47 in Facial Plastic and Reconstructive Surgery, (Papel, editor) Thieme, Second Edition, pp. 577-578, 2002
Burkey B. B., Schmalbach C. E., Coleman J. R.: Microvascular Flaps, Chapter 57 in Facial Plastic and Reconstructive Surgery, (Papel, editor) Thieme, Third Edition, pp. 765-793, 2009
297) C The failure of arterial anastomosis occurres within the first 24 hours.
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