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At the recent spring meeting of the American Academy of Facial Plastic and Reconstructive Surgery in Palm Beach, Fla, Drs Richard L. Pang, Janusz Bardach, and Kevin M. Kelly (Iowa City) presented a study designed to determine whether the Doppler laser was a better method of determining flap viability than the standard fluorescein dye test. The study used three 4 X 12-cm nondelayed side-by-side flaps on pigs. Group I animals had fluorescein dye tests performed in conjunction with Doppler laser flow, while group II animals had Doppler laser flow performed only. Fluorescein dye tests have been shown to underpredict flap survival. Doppler laser has been previously shown to be a simple, accurate, noninvasive technique for assessing blood perfusion in a flap.
All flaps were examined at seven days. Although the fluorescein dye test predicted a 23% survival, the actual average flap survival was 35.4%. With a prediction of 34.3%, the
PERKINS SW. Doppler Laser vs Fluorescein Dye: An Assessment of Flap Viability. Arch Otolaryngol Head Neck Surg. 1988;114(12):1364. doi:https://doi.org/10.1001/archotol.1988.01860240014005
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