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Biomedical subjects

M Pettay

Publications and source records attributed to M Pettay.

4 recordsLinked to original sources
PubMed1997

Velopharyngeal function in association with artificial obstruction of the nose: a videonasendoscopic study.

Artificial obstruction of the nose can make the nasal cavity a cul-de-sac resonator, which has clearly audible consequences. The present study compares videonasendoscopic views of the velopharyngeal mechanism in test words uttered with the nose open and obstructed in 20 subjects with a Pierre Robin sequence and in 6 subjects without this sequence. A velopharyngeal flap was constructed on 12 subjects. Videonasendoscopic findings were assessed by 3 judges with acceptable agreement. The results indicated that impairment of velopharyngeal function occurred significantly more often in subjects with a velopharyngeal flap. This was attributed to aerodynamic reasons. Clinical implications of the results are discussed.

Adolescent↗
PubMed1993

Speech outcome in cleft palate patients with simultaneous primary palatal repair and adenoidectomy.

This study deals with speech outcome after adenoidectomy performed simultaneously with primary palatal repair. Signs of velopharyngeal insufficiency were registered in the speech of 24 children with cleft lip and palate (CLP) or cleft palate only (CP) who underwent adenoidectomy (Group A+), and in 25 C(L)P children who had no adenoidectomy (Group A-). The results indicated that hypernasality occurred significantly more frequently in Group A+ than in Group A-. Audible nasal air emission also tended to occur more frequently in Group A+. The groups did not differ when it came to articulation errors associated with velopharyngeal insufficiency. The clinical implications of these results are discussed.

Adenoidectomy↗