Thesis (M. Sc.)--Dalhousie University, 1998. / eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.

Thesis (M. Sc.)--Dalhousie University, 1998. / eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.

Thesis (B.Sc)--University of Hong Kong, 2007. / "A dissertation submitted in partial fulfilment of the requirements for the Bachelor of Science (Speech and Hearing Sciences), The University of Hong Kong, June 30, 2007." Includes bibliographical references (p. 26-30). Also available in print.

Thesis (M.S.)--University of Wyoming, 2007. / Title from PDF title page (viewed on June 11, 2009). Includes bibliographical references (p. 45-47).

Thesis (Ph. D.)--University of Nevada, Reno, 2002. / Includes bibliographical references. Online version available on the World Wide Web.

Videonasendoscopy and videofluoroscopy are two instruments used by craniofacial teams for assessing velopharyngeal function. Various methods have been proposed throughout the literature for collecting and reporting data from these two types of imaging studies. The purpose of this investigation is to survey craniofacial teams regarding current use of videonasendoscopy and videofluoroscopy in the clinical setting. The results show the videonasendoscopy is more frequently used than videofluoroscopy and that estimations are a more common data collection/reporting method than objective measurements. The data also show that a wide variety of methods are currently in use and only a small number of teams use the standardizing method proposed by the international working group (Golding-Kushner, et al., 1990).

The purpose of this study was to investigate the effect of variation of speaking rate, gender and age on aerodynamic and acoustic measure of the VP function in 19 typically-developing young children aged 4-7 years. Additionally, this study aimed to compare results from children from this study to that of Gauster, Yunusova and Zajac (2010). Aerodynamic measurements such as oral pressure, nasal pressure, nasal flow, and VP area were taken at the /m/ and /p/ segments in the word "hamper" (HAMPER) and the initial /p/ of "puppy" in the utterance "Buy Bobby a puppy" (BBP). Nasalance and nasalance distance was collected for the utterances "Buy Bobby a puppy" and "Mama made lemon jam" (MMJ). Speech tasks were performed in 4 different self-regulated rates including normal, fast, slow, and slowest. Results indicated that only the aerodynamic measures in the /m/ of HAMPER were affected by speaking rate. Rate affected the nasalance measures of BBP and MMJ and nasalance distance. Gender affected the nasalance of BBP, and age affected nasalance distance. Additionally, children varied from the adults in Gauster et al. (2010) in differences in rate, gender and variability. In summary, rate, gender, and age group had various effects on the measures relating to VP function in healthy children, and should therefore be considered when working with children with VP dysfunction.

Thesis (M.S.)--University of Nevada, Reno, 2005 / Includes bibliographical references. Online version available on the World Wide Web.

Introdução: Existem evidências clínicas de que os movimentos do mecanismo velofaríngeo (MVF) podem ser aumentados com o uso do obturador faríngeo a ponto de o mesmo ser descartado ou até que se consiga diminuir ao máximo o gap velofaríngeo. O aumento do movimento das paredes faríngeas torna o individuo um melhor candidato para correção cirúrgica da disfunção velofaríngea (DVF). Este aumento na atividade das paredes faríngeas, no entanto, não é um achado universal com o uso do obturador, principalmente para aqueles pacientes que apresentam articulações compensatórias ou que apresentam velofaringe hipodinâmica. Objetivo: O presente estudo tem por objetivo avaliar o movimento das estruturas do MVF durante a fala, em pacientes que apresentam insuficiência velofaríngea (IVF) e que fazem uso de obturador faríngeo. A avaliação foi realizada antes (C1) e após pelo menos seis meses de uso do mesmo (C2). Material e Método: A casuística foi constituída de 25 pacientes, com fissura de palato e/ou de lábio e palato (8 mulheres e 17 homens), com idades variando entre 20 e 47 anos (média= 36 anos). Todos os pacientes apresentavam IVF após a cirurgia de palato e utilizavam obturador faríngeo havia pelo menos 6 meses. Para a avaliação do MVF com e sem o obturador faríngeo, todos pacientes haviam sido submetidos à avaliação nasoendoscópica durante fala. As 50 video-gravações dos exames de nasoendoscopia (25 na condição C1 e 25 na condição C2) foram editadas em um DVD e avaliadas por três fonoaudiólogas experientes, designadas juízas, quanto aos seguintes aspectos: movimento do véu palatino, movimento das paredes laterais da faringe, tamanho e tipo do gap velofaríngeo e anel de Passavant. Para a avaliação foi utilizado o protocolo proposto por Golding-Kushner et al (1990), especialmente adaptado para este estudo. Resultados: Neste estudo o grau de concordância intra-juízas foi de 82% para a juíza A, e 62% para as juízas B e C, para todos os aspectos do MVF avaliados. Já o grau de concordância inter-juízas variou de 49 a 88%, com média de 69%. Apesar de não terem sido encontradas diferenças estatisticamente significantes entre as condições C1 e C2, observamos que 17 (68%) dos 25 pacientes avaliados apresentaram diferenças na atividade muscular em pelo menos um dos 11 aspectos estudados. Conclusão: Os achados deste estudo demonstraram mudanças na atividade velofaríngea sugerindo que o uso do obturador faríngeo no tratamento da DVF pode ser útil tanto no processo de diagnóstico (para identificação do potencial de mudança no funcionamento velofaríngeo e na fala) quanto durante o tratamento da IVF (otimizando os resultados cirúrgicos). / Introduction: There are clinical evidence that movements of velopharyngeal mechanism can be increased with the use of speech bulbs to the point of elimination of the bulbo or until the maximum reduction of the velopharyngeal gap is achieved. An increase in the movements of pharyngeal wall turns the individual to a better candidate for surgical correction of velopharyngeal dysfunction (VPD). An increase in the activity of pharyngeal walls, however, is not an universal finding for all individual with speech bulbs, particularly for those Who use compensatory articulation or that present hypodynamic velopharynx.Objective: The present study has the objective of evaluate movement of the velopharyngeal structures during speech in patients with velopharyngeal insufficiency using speech bulbs. The evaluation was done before (C1) and at least 6 months after use of the bulb (C2).Material and Methods: The sample included 25 patients with cleft palate and/or cleft lip and palate (8 males and 17 females), with ages varying between 20 and 47 years (mean=36 years). All patients presented with velopharyngeal insufficiency and were using speech bulbs for at least 6 months. For the evaluation of the velopharyngeal mechanism with and without the speech bulb, all patients were submitted to nasoendoscopic evaluation during production of speech. All 50 video-recordings (25 in the C1 condition and 25 in the C2 condition) were edited into a DVD and evaluated by three experienced speech-language pathologists who judged the samples regarding the following aspects: movement of velum, movement of pharyngeal walls, type and size of velopharyngeal gap and Passavants Pad. For this study was used the protocol proposed by Golding-Kushner et al (1990), specially adapted for this evaluation.Results: In this study intra-judge agreement of 82% was found for judge A, and 62% for judges B and C, when all aspects rated were considered. Inter-judge agreement varied between 49% and 88% with a mean of 69%. Even though a significant difference was not found between the pré and pot speech bulb conditions, 17 (68%) subjects presented with differences in velopharyngeal activity in at least on of the 11 aspects studied. Conclusion: The findings of this study demonstrated changes in the velopharyngeal activity suggesting that the use of speech bulbs during treatment of VPD can help the diagnostic process (in the identification of the potential for changes of velopharyngeal functioning and of speech) and also can help in the treatment (by optimizing surgical results).

Introdução: Existem evidências clínicas de que os movimentos do mecanismo velofaríngeo (MVF) podem ser aumentados com o uso do obturador faríngeo a ponto de o mesmo ser descartado ou até que se consiga diminuir ao máximo o gap velofaríngeo. O aumento do movimento das paredes faríngeas torna o individuo um melhor candidato para correção cirúrgica da disfunção velofaríngea (DVF). Este aumento na atividade das paredes faríngeas, no entanto, não é um achado universal com o uso do obturador, principalmente para aqueles pacientes que apresentam articulações compensatórias ou que apresentam velofaringe hipodinâmica. Objetivo: O presente estudo tem por objetivo avaliar o movimento das estruturas do MVF durante a fala, em pacientes que apresentam insuficiência velofaríngea (IVF) e que fazem uso de obturador faríngeo. A avaliação foi realizada antes (C1) e após pelo menos seis meses de uso do mesmo (C2). Material e Método: A casuística foi constituída de 25 pacientes, com fissura de palato e/ou de lábio e palato (8 mulheres e 17 homens), com idades variando entre 20 e 47 anos (média= 36 anos). Todos os pacientes apresentavam IVF após a cirurgia de palato e utilizavam obturador faríngeo havia pelo menos 6 meses. Para a avaliação do MVF com e sem o obturador faríngeo, todos pacientes haviam sido submetidos à avaliação nasoendoscópica durante fala. As 50 video-gravações dos exames de nasoendoscopia (25 na condição C1 e 25 na condição C2) foram editadas em um DVD e avaliadas por três fonoaudiólogas experientes, designadas juízas, quanto aos seguintes aspectos: movimento do véu palatino, movimento das paredes laterais da faringe, tamanho e tipo do gap velofaríngeo e anel de Passavant. Para a avaliação foi utilizado o protocolo proposto por Golding-Kushner et al (1990), especialmente adaptado para este estudo. Resultados: Neste estudo o grau de concordância intra-juízas foi de 82% para a juíza A, e 62% para as juízas B e C, para todos os aspectos do MVF avaliados. Já o grau de concordância inter-juízas variou de 49 a 88%, com média de 69%. Apesar de não terem sido encontradas diferenças estatisticamente significantes entre as condições C1 e C2, observamos que 17 (68%) dos 25 pacientes avaliados apresentaram diferenças na atividade muscular em pelo menos um dos 11 aspectos estudados. Conclusão: Os achados deste estudo demonstraram mudanças na atividade velofaríngea sugerindo que o uso do obturador faríngeo no tratamento da DVF pode ser útil tanto no processo de diagnóstico (para identificação do potencial de mudança no funcionamento velofaríngeo e na fala) quanto durante o tratamento da IVF (otimizando os resultados cirúrgicos). / Introduction: There are clinical evidence that movements of velopharyngeal mechanism can be increased with the use of speech bulbs to the point of elimination of the bulbo or until the maximum reduction of the velopharyngeal gap is achieved. An increase in the movements of pharyngeal wall turns the individual to a better candidate for surgical correction of velopharyngeal dysfunction (VPD). An increase in the activity of pharyngeal walls, however, is not an universal finding for all individual with speech bulbs, particularly for those Who use compensatory articulation or that present hypodynamic velopharynx.Objective: The present study has the objective of evaluate movement of the velopharyngeal structures during speech in patients with velopharyngeal insufficiency using speech bulbs. The evaluation was done before (C1) and at least 6 months after use of the bulb (C2).Material and Methods: The sample included 25 patients with cleft palate and/or cleft lip and palate (8 males and 17 females), with ages varying between 20 and 47 years (mean=36 years). All patients presented with velopharyngeal insufficiency and were using speech bulbs for at least 6 months. For the evaluation of the velopharyngeal mechanism with and without the speech bulb, all patients were submitted to nasoendoscopic evaluation during production of speech. All 50 video-recordings (25 in the C1 condition and 25 in the C2 condition) were edited into a DVD and evaluated by three experienced speech-language pathologists who judged the samples regarding the following aspects: movement of velum, movement of pharyngeal walls, type and size of velopharyngeal gap and Passavants Pad. For this study was used the protocol proposed by Golding-Kushner et al (1990), specially adapted for this evaluation.Results: In this study intra-judge agreement of 82% was found for judge A, and 62% for judges B and C, when all aspects rated were considered. Inter-judge agreement varied between 49% and 88% with a mean of 69%. Even though a significant difference was not found between the pré and pot speech bulb conditions, 17 (68%) subjects presented with differences in velopharyngeal activity in at least on of the 11 aspects studied. Conclusion: The findings of this study demonstrated changes in the velopharyngeal activity suggesting that the use of speech bulbs during treatment of VPD can help the diagnostic process (in the identification of the potential for changes of velopharyngeal functioning and of speech) and also can help in the treatment (by optimizing surgical results).