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Abstract

Medicine

Porcine As a Training Module for Head and Neck Microvascular Reconstruction

Published: September 29th, 2018

DOI:

10.3791/58104

1Department of Otolaryngology, Head and Neck Surgery, King Abdullah Medical City, 2Department of Otorhinolaryngology, Yonsei University, College of Medicine, 3Severance Biomedical Science Institute, Yonsei University, College of Medicine, 4The George W.Woodruff School of Mechanical Engineering, Georgia Institute of Technology, 5Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University College of Medicine

* These authors contributed equally

Abstract

Live models that resemble surgical conditions of humans are needed for training free-flap harvesting and anastomosis. Animal models for training purposes have been available for years in many surgical fields. We used the female (because they are easy to handle for the procedure) Yorkshire pigs for the head and neck reconstruction by harvesting the deep inferior epigastric artery perforator or the superior epigastric artery perforator flap. The anastomosis site (neck skin defect or tracheal wall defect) was prepared via the dissection of the common carotid artery and the internal jugular vein, in which 3.5× loupe magnification was used for anastomosis as we use on human cases in real life. This procedure demonstrates a new training method using a reliable learning model and provides a detailed anatomy in a live scenario. We focused on the ischemia time, harvesting, vessel anastomosis, and designing the flap to fit the defect site. This model improves tissue handling and with the use of proper instruments can be repeated many times so that the surgeon is fully confident before starting the surgery on humans.

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Keywords Microvascular Reconstruction

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