Laryngectomy

Research on laryngectomy detailed by scientists at Royal Marsden Hospital

Published in Medical Device Business Week, January 30th, 2008

According to recent research from London, the United Kingdom, "The objective of this study was to assess the difference in voice quality as defined by acoustical analysis using sustained vowel in laryngectomized patients in comparison with normal volunteers. This was designed as a retrospective single center cohort study."

"An adult tertiary referral unit formed the setting of this study. Fifty patients (40 males) who underwent total laryngectomy and 31 normal volunteers (18 male) participated. Group comparisons with the first three formant frequencies (F-1, F-2, and F-3) using linear predictive coding (LPC) (Laryngograph Ltd, London, UK) was performed. The existence of...

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Source: Medical Device Business Week (2008-01-30)

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