[Postoperative vessel thrombosis and its management after free flap transfers in head and neck region].

Objective: To analyze the rate of postoperative vessel thrombosis and its management after free tissue transfers in head and neck region.

Methods: Eight hundred and forty-nine consecutive free flap transfers were performed from May 1999 to September 2004. Among them, the flaps with postoperative vessel thrombosis were selected and reviewed.