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  • Title: [Velopharyngeal closure in adolescents after repair of cleft lip, jaw, palate or isolated cleft palate].
    Author: Pröschel U, Wohlleben U, Müssig D, Eysholdt U.
    Journal: Laryngorhinootologie; 1994 Nov; 73(11):603-8. PubMed ID: 7818748.
    Abstract:
    We examined two groups of teenagers (between 13 and 21 years of age) who had been surgically treated as small children for congenital cheilognathouranoschisis or cleft palate. A group of 62 teenagers had been treated by the Dept. of Orthodontics at the University of Erlangen-Nuremberg, the other group of 61 by the Dept. of Orthodontics at the University of Rostock. There were differences between the two departments in sequence and time of the surgical closure as well as in the frequence of velopharyngoplasties. The velopharyngeal closure was examined in all patients by means of a flexible fibre endoscope which was pushed forward endonasally up to the choanae. Simultaneously we judged the audibility of the nasal perflation while pronouncing /k/. A residual gap during articulation of /k/ with clearly audible or alternately clearly and discreetly audible nasal perflation was noted in 8 subjects in Erlangen and 14 subjects in Rostock. In subjects whose velum moved only anterior-posteriorly, closure was likely to be less good than in those with a circular closing mechanism of velum and lateral and/or posterior parts of the pharyngeal musculature. In rare cases we found a good velopharyngeal closure in spite of a large gap between the velum and the posterior pharyngeal wall at rest. This was the case when the velum moved more against the upper than the posterior wall of the nasopharynx. Velopharynxplasty did not reduce nasal airflow in case of insufficient function of the velar muscles. Differences in the mode of velopharyngeal closure might be due to statistically significant regional differences in skull structure.(ABSTRACT TRUNCATED AT 250 WORDS)
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