• J. Oral Maxillofac. Surg. · Apr 2012

    Venous anastomoses using microvascular coupler in free flap head and neck reconstruction.

    • Tao Zhang, Joshua Lubek, Andrew Salama, John Caccamese, Domenick Coletti, Donita Dyalram, and Robert Ord.
    • Department of Stomatology, Peking Union Medical College Hospital, Chinese Academy of Medical Science, Beijing, China. zht1688net@yahoo.com
    • J. Oral Maxillofac. Surg. 2012 Apr 1;70(4):992-6.

    PurposeThis study is a retrospective review of the experience using the venous coupler for head and neck reconstruction over a 3-year period at the University of Maryland Medical Center, Department of Oral and Maxillofacial Surgery.Materials And MethodsOne hundred seventy-eight consecutive cases of microvascular free flaps between May 2007 and September 2010 were retrospectively reviewed. Data were collected by demographic information, flap type, recipient vessels, method of anastomosis, coupler size, coupler orientation, complications associated with coupler, and reconstruction results. Fisher exact test was used for statistical analysis.ResultsThere were 294 anastomotic coupler devices used in 173 flaps, with hand-sewn venous anastomoses performed in 5 patients. The overall flap success rate was 94.9% (169/178). Success rate among cases in which the coupler was used was 95.4% (8/173). Total coupler venous thrombosis rate was 4.0% (7/173), with a statistically significant difference (P < .05) in reference to the number of venous anastomoses performed: 58 cases had a single vein anastomosed, 5 cases developed thrombosis; while the 115 flaps with 2 venous anastomoses, only 2 cases had thrombosis.ConclusionsThe microvascular coupler is reliable for venous anastomosis in free flap head and neck reconstruction; dual-vein anastomoses appear to have better results than single-vein anastomoses. Flow coupler has a promising utility in monitoring buried flaps and flaps that are difficult to observe. The microvascular coupler deserves to be more commonly used in free flap head and neck reconstruction.Copyright © 2012 American Association of Oral and Maxillofacial Surgeons. Published by Elsevier Inc. All rights reserved.

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