Noninvasive Free Flap Monitoring Using Eulerian Video Magnification

Overview

Journal Case Rep Otolaryngol

Publisher Wiley

Specialty Otorhinolaryngology

Date 2016 Apr 20

PMID 27092284

Citations 2

Authors

Yuan Fang Liu

Christopher Vuong

Paul Charles Walker

Nathaniel Ray Peterson

Jared Christian Inman

Pedro Alcantara Andrade Filho

Steve Choon-Sung Lee

Affiliations

Soon will be listed here.

Abstract

Eulerian Video Magnification (EVM) can enhance subtle changes in videos to reveal what was once invisible to the naked eye. In this proof of concept study, we investigated using EVM as a novel form of free flap monitoring. Free flaps with skin paddles were filmed in the operating room with manipulation of their pedicles. In a representative 77-year-old female who received a latissimus dorsi-serratus-rib composite free flap, EVM was able to detect blockage of arterial or venous supply instantaneously, providing a visible representation through degree of color change in videos. EVM has the potential to serve as a powerful free flap monitoring tool with the benefit of being noninvasive, sensitive, easy-to-use, and nearly cost-free.

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