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Influence of using a single facial vein as outflow in full-face transplantation: A Three-Dimensional Computed Tomographic Study
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Plastic Surgery. Institute of Surgical Sciences. (Microsurgical Research Group)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences.
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2015 (English)In: Journal of Plastic, Reconstructive & Aesthetic Surgery, ISSN 1748-6815, E-ISSN 1532-1959, Vol. 68, no 10, 1358-1363 p.Article in journal (Refereed) Published
Abstract [en]

Background

The purpose of this study is to evaluate the contribution of a single unilateral facial vein in the venous outflow of total face allograft using three-dimensional computed tomographic imaging techniques to further elucidate the mechanisms of venous complications following total face transplant.

Methods

Full-face soft tissue flaps were harvested from fresh adult human cadavers. A single facial vein was identified and injected distally to the submandibular gland with radiopaque contrast (barium sulfate/gelatin mixture) in every specimen. Following vascular injections, three-dimensional computed tomographic venographies of the faces were performed. Images were viewed using TeraRecon Software allowing analysis of the venous anatomy and perfusion in different facial subunits by observing radiopaque filling venous patterns.

Results

Three-dimensional computed tomographic venographies demonstrated a venous network with different degree of perfusion in subunits of the face in relation to the facial vein injection side: 100% of ipsilateral and contralateral forehead units, 100% of ipsilateral and 75% of contralateral periorbital units, 100% of ipsilateral and 25% of contralateral cheek units, 100% of ipsilateral and 75% of contralateral nose units, 100% of ipsilateral and 75% of contralateral upper lip units, 100% of ipsilateral and 25% of contralateral lower lip units and 50% of ipsilateral and 25% of contralateral chin units.

Conclusion

Venographies of the full-face grafts revealed better perfusion in the ipsilateral hemifaces from the facial vein in comparison with the contralateral hemifaces. Reduced perfusion was observed mostly in the contralateral cheek unit and contralateral lower face including lower lip and chin units.

Place, publisher, year, edition, pages
2015. Vol. 68, no 10, 1358-1363 p.
National Category
Surgery
Research subject
Plastic Surgery
Identifiers
URN: urn:nbn:se:uu:diva-254621DOI: 10.1016/j.bjps.2015.05.031ISI: 000361879900007OAI: oai:DiVA.org:uu-254621DiVA: diva2:819042
Available from: 2015-06-09 Created: 2015-06-09 Last updated: 2017-12-04Bibliographically approved

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Rodriguez Lorenzo, AndresNowinski, Daniel

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