Abstract
Patients with repaired cleft lip and cleft palate (CL/P) can develop velopharyngeal insufficiency (VPI) after Le Fort I maxillary advancement. The aim of this study was to evaluate speech outcomes in patients who required a pharyngeal flap after Le Fort I maxillary advancement. This retrospective cohort study included all patients with repaired CL/P who underwent a Le Fort I osteotomy and subsequently required a pharyngeal flap to correct VPI. Patients were included if they had outcome measurements documented at 3 time points: 1) before Le Fort I (baseline), 2) after Le Fort I, and 3) after pharyngeal flap. Outcome measurements, including speech characteristics (resonance, nasal emission, and intraoral pressure) and velopharyngeal function, were evaluated on perceptual assessment by a speech pathologist specializing in cleft care. Velopharyngeal closure was assessed with multi-view videofluoroscopy or nasopharyngoscopy. Patient characteristics and descriptive statistics were summarized and continuous data were expressed as mean ± standard deviation. Repeated-measures analysis of variance and paired samples t test were used to measure changes in speech outcome variables between time points. All P values were 2-tailed and considered significant for values less than .05. There were 23 patients for analysis (13 girls [56.5%] and 10 boys [43.5%]). Two patients (9%) had cleft palate only, 9 (39%) had unilateral cleft lip and palate (CLP), and 12 (52%) had bilateral CLP. Follow-up evaluations performed on average 12months postoperatively showed statistically meaningful improvement for all variables, including decreased hypernasality, reduced nasal emission, and increased intraoral pressure for consonant production. Patients with repaired CL/P who had VPI after Le Fort I maxillary advancement showed significant improvement in all outcome measurements after pharyngeal flap (P < .001). The superiorly based pharyngeal flap is highly successful in correcting VPI after Le Fort I maxillary advancement in patients with repaired CL/P.
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