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Otorhinolaryngology

Laryngeal subglottal pressure assessment with incomplete airflow interruption feasible

Published in Medical Devices and Surgical Technology Week, March 19th, 2006

Incomplete airflow interruption enables noninvasive assessment of laryngeal subglottal pressure (SGP).

SGP measurements "are often used to assess laryngeal function; however, current methods to measure SGP are invasive or do not estimate SGP during phonation," according to surgeons in the United States, who performed a study "to devise a noninvasive technique to estimate SGP without interrupting phonation."

"This was a methodologic study designed to calculate the SGP of a human subject," explained J. Jiang and coauthors at the University of Wisconsin School of Medicine. "A new technique to estimate SGP was developed in which subject airflow was...

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