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KMID : 0952820090120010001
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Journal of Korean Cleft Lip & Palate Association
2009 Volume.12 No. 1 p.1 ~ p.6
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Speech Outcome after Closure of Oronasal Fistula Following Cleft Palate Repair: A report of a case
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Seo Min-Gyo
Kim Da-Wa
Kim Eun-Ju
Yoon Bo-Keun
Kim Sung-Il
Leem Dae-Ho
Ko Seung-O
Moon Seung-Young
Kim Hyun-Gi
Shin Hyo-Keun
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Abstract
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Oronasal fistula are a well-known complication of surgical treatment of cleft palate, occurring most frequently in the alveolus and hard palate. Previous reports have demonstrated that oronasal fistulas, particularly if greater than l cm in diameter, had an adverse effect on speech. The aim of this study was to demonstrate the relationship between the size of the fistula and the influence on velopharyngeal function. The site and size of the fistula were indicated on graph paper with calipers and measured in . Speech assessment was carried out using a Nasometer, VPI articulation differential test, spectrography. Patient whose fistulas affected their speech had significantly larger fistulas than those whose fistulas did not. The study shows that the larger the fistula, the greater the risk of hypernasality and nasal emission, but even small fistulas can cause speech problems. If obstruction of the nasal passage is eliminated in a patient with a previously asymptomatic fistula, it may result in a fistula becoming symptomatic, resulting in hypernasality and nasal emission. In conclusion, even small fistulas can influence speech production and should be considered before any treatment is planned. The study lends support to early closure of oronasal fistulas, particularly before pharyngeal flap surgery is contemplated.
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KEYWORD
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Oronasal fistula, Hypernasality, Nasometer
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