Venous Complications in One Versus Two Vein Anastomoses in Head and Neck Free Flaps.

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Venous Complications in One Versus Two Vein Anastomoses in Head and Neck Free Flaps.

Ann Otol Rhinol Laryngol. 2017 Sep 01;:3489417728089

Authors: Khaja SF, Rubin N, Bayon R

Abstract
OBJECTIVE: The purpose of this study was to compare rates of reexploration and flap failure in patients with 1- and 2-vein anastomoses in free flap reconstructions.
METHODS: Retrospective chart review of 300 patients undergoing free flap reconstruction to head and neck defects from 2010 to 2014.
RESULTS: One venous anastomosis was performed in 229 patients, and 2 venous anastomoses were performed in 71 patients. The 1-vein group had significantly more reexplorations in the operating room (36/229, 15.7%) compared with the 2-vein group (4/71, 5.6%; P = .028), even when controlling for flap type ( P = .022). This finding remained true among radial forearm flaps (17/81, 21% vs 3/53, 5.7%; P = .024). The number of venous anastomoses was not significantly associated with flap failure, though patients with flap failure did have a significantly greater proportion of venous issues ( P < .001).
CONCLUSIONS: Two-vein anastomoses do not appear to reduce rates of flap failure or postoperative venous thrombosis but are associated with a lower number of reexplorations in the operating room even after accounting for differences in flap types and surgeons.

PMID: 28863728 [PubMed - as supplied by publisher]

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