Marco Guzmán1, Christian Castro2, Sofia Madrid3, Christian Olavarria4, Miguel Leiva4, Daniel Muñoz5, Elizabeth Jaramillo2, Anne-Maria Laukkanen6. 1. School of Communication Sciences, University of Chile, Santiago, Chile; Department of Otolaryngology, Voice Center, Las Condes Clinic, Santiago, Chile. Electronic address: guzmann.marcoa@gmail.com. 2. School of Communication Sciences, University of Valparaiso, Valparaiso, Chile. 3. School of Communication Sciences, University of Chile, Santiago, Chile. 4. Department of Otolaryngology, Voice Center, University of Chile Hospital, Santiago, Chile. 5. Department of Otolaryngology, University of Chile, Santiago, Chile. 6. School of Education, Speech and Voice Research Laboratory, University of Tampere, Tampere, Finland.
Abstract
OBJECTIVE: The purpose of this study was to investigate the effect of phonation into tubes in air and tubes submerged in water on air pressure variables and vocal fold adduction in subjects with different voice conditions. METHODS: Forty-five participants representing four vocal conditions were included: (1) subjects diagnosed with normal voice and without voice training, (2) subjects with normal voice with voice training, (3) subjects with muscle tension dysphonia, and (4) subjects with unilateral vocal fold paralysis. Participants phonated into different kinds of tubes (drinking straw, 5 mm in inner diameter; stirring straw, 2.7 mm in inner diameter; silicon tube, 10 mm in inner diameter) with the free end in air and in water. Aerodynamic, acoustic, and electroglottographic signals were captured simultaneously. Mean values of the following variables were considered: glottal contact quotient (CQ) measured by electroglottograph, fundamental frequency, subglottic pressure (Psub), oral pressure (Poral), and transglottal pressure. RESULTS: All exercises had a significant effect on Psub, Poral, transglottal pressure, and CQ (P < 0.05). Phonation into a 55-cm silicon tube submerged 10 cm in water and phonation into a stirring straw resulted in the highest values for CQ, Psub, and Poral compared with baseline (repetition of syllable [pa:]) for all vocal status. Poral and Psub correlated positively. CONCLUSION: During semioccluded exercises, most variables behaved in a similar way (same trend with a quite large individual variation) regardless of the vocal status of the participants. Copyright Â
OBJECTIVE: The purpose of this study was to investigate the effect of phonation into tubes in air and tubes submerged in water on air pressure variables and vocal fold adduction in subjects with different voice conditions. METHODS: Forty-five participants representing four vocal conditions were included: (1) subjects diagnosed with normal voice and without voice training, (2) subjects with normal voice with voice training, (3) subjects with muscle tension dysphonia, and (4) subjects with unilateral vocal fold paralysis. Participants phonated into different kinds of tubes (drinking straw, 5 mm in inner diameter; stirring straw, 2.7 mm in inner diameter; silicon tube, 10 mm in inner diameter) with the free end in air and in water. Aerodynamic, acoustic, and electroglottographic signals were captured simultaneously. Mean values of the following variables were considered: glottal contact quotient (CQ) measured by electroglottograph, fundamental frequency, subglottic pressure (Psub), oral pressure (Poral), and transglottal pressure. RESULTS: All exercises had a significant effect on Psub, Poral, transglottal pressure, and CQ (P < 0.05). Phonation into a 55-cm silicon tube submerged 10 cm in water and phonation into a stirring straw resulted in the highest values for CQ, Psub, and Poral compared with baseline (repetition of syllable [pa:]) for all vocal status. Poral and Psub correlated positively. CONCLUSION: During semioccluded exercises, most variables behaved in a similar way (same trend with a quite large individual variation) regardless of the vocal status of the participants. Copyright Â
Authors: Jesse D Hoffmeister; Christopher L Ulmschneider; Corinne A Jones; Michelle R Ciucci; Timothy M McCulloch Journal: J Speech Lang Hear Res Date: 2021-07-28 Impact factor: 2.297
Authors: Chang Hwan Ryu; Seung Jin Lee; Jae-Gu Cho; Ik Joon Choi; Yoon Seok Choi; Yong Tae Hong; Soo Yeon Jung; Ji Won Kim; Doh Young Lee; Dong Kun Lee; GIljoon Lee; Sang Joon Lee; Young Chan Lee; Yong Sang Lee; Inn Chul Nam; Ki Nam Park; Young Min Park; Eui-Suk Sung; Hee Young Son; In Hyo Seo; Byung-Joo Lee; Jae-Yol Lim Journal: Clin Exp Otorhinolaryngol Date: 2021-06-01 Impact factor: 3.372