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ORIGINAL ARTICLE
Year : 2009  |  Volume : 5  |  Issue : 2  |  Page : 85-92

Is electroglottography-based videostroboscopic assessment of post-laryngectomy prosthetic speech useful?


1 ENT and Head-Neck Surgery, Grant Medical College and Sir J. J. Group of Hospitals, Mumbai, India and Head and Neck Unit, Royal Marsden Hospital, 203 Fulham Road, London SW3 6JJ, UK
2 Head and Neck Unit, Royal Marsden Hospital, 203 Fulham Road, London SW3 6JJ, United Kingdom
3 ENT and Head-Neck Surgery, Grant Medical College and Sir J. J. Group of Hospitals, Mumbai, India
4 Head and Neck Unit, Royal Marsden Hospital, 203 Fulham Road, London SW3 6JJ and The Institute of Cancer Research, 237 Fulham Road, London SW3 6JB, United Kingdom

Correspondence Address:
Suhail I Sayed
6/B, PCMC Colony, Ajmera Complex, Pimpri, Pune - 18
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0973-1482.52792

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Objectives: To use an electroglottography (EGG)-based videostroboscopy tool to assess the anatomical and morphologic characteristics of the pharyngoesophageal (PE) segment in tracheoesophageal (TO) speakers. Study d0 esign: Cross-sectional cohort study. Subjects: Fifty-two post-laryngectomy patients with no recurrence and using prosthetic (Blom-Singer) speech. Intervention: An electroglottography (EGG)-based videostroboscopy tool EGG-based rigid videostroboscopy as well as perceptual evaluation. Outcome m0 easures: Stroboscopic protocol included nine subjective/visual parameters to evaluate the neoglottis and study correlation of the G (GRBAS scale) and the overall voice quality (OVQ) with the treatment variables. Results: Of the 52 laryngectomees, videostroboscopic recordings were possible in 46 patients (36 males and 10 females) with a mean age of 63.4 10.5 (SD) an electroglottography (EGG)-based videostroboscopy tool years. All used the Blom-Singer valve and the median time since Total Laryngectomy was 2 years. The neoglottis was assessable in 26 patients. We were able to strobe only 9 patients. There was excellent correlation between G and OVQ (Spearman rho > 0.9). Statistically significant correlation was found between G1 and saliva (P = 0.03) and between good OVQ and saliva (P = 0.02); similarly, there was significant correlation between G1 and LVV (P = 0.05) and between good OVQ and LVV (P = 0.03). Conclusions: This study is the first to examine the use of an EGG-based stroboscopy instrument to evaluate TO speech. Our observations suggest that from the standpoint of functional voice, saliva and the LVV had statistically significant effect in determining voice quality.


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