The files of 585 patients who had had pharyngeal flap surgery for the correction of velopharyngeal insufficiency were reviewed. Eighteen patients, ranging in age from 6 to 16 years, showed clinical symptoms of obstructive sleep apnea syndrome. All of these cases had a Polysomnographic evaluation and videonasopharyngoscopy. Fifteen cases met the criteria for the diagnosis of obstructive sleep apnea syndrome and eventually underwent surgical treatment. A modified uvulopalatopharyngoplasty was done in 14 of the 15 cases. One patient had a prominent uvula flipping into the port of a Jackson's type pharyngoplasty, so a partial resection of the uvula was performed. Surgical treatment was successful in 14 of 15 cases, including the case with the partial uvular resection. In one case, severe sleep apnea persisted after surgery and a complete section of the flap was performed to correct the obstruction. Sizeable tonsils were found in 13 out of 15 cases, whereas flap width appeared unrelated to obstruction. Preoperative assessment of tonsillar tissue is of vital importance before pharyngeal flap surgery.
Submucous cleft palate is a congenital malformation with specific clinical and anatomical features. It can be present with or without velopharyngeal insufficiency. Surgical treatment of this malformation is indicated only when velopharyngeal insufficiency has been demonstrated. This article compares two modalities of surgical treatment for submucous cleft palate. The first includes a minimal incision palatopharyngoplasty, as described in a previous report. The second combines the first technique with additional individualized velopharyngeal surgery (individualized pharyngeal flap or sphincter pharyngoplasty) performed simultaneously. The individualized part of the procedure was selected and performed according to the findings of videonasopharyngoscopy and multiview videofluoroscopy, as reported previously. Two hundred and three patients with submucous cleft palate were studied from 1990 to 1999. Videonasopharyngoscopy and multiview videofluoroscopy demonstrated velopharyngeal insufficiency in 72 patients, who were randomly divided into two groups. Those in group 1 (n = 37) underwent a minimal incision palatopharyngoplasty. Patients in group 2 (n = 35) also underwent that procedure but simultaneously received individualized pharyngeal flap or sphincter pharyngoplasty, according to the findings of videonasopharyngoscopy and multiview videofluoroscopy. The median age of the patients from both groups was not significantly different (p > 0.5). The frequency of residual velopharyngeal insufficiency after palatal closure was not significantly different in both groups of patients (14 percent versus 11 percent; p > 0.5). The mean size of the gap at the velopharyngeal sphincter during speech was not significantly different in both groups of patients before surgery (23 percent versus 22 percent; p > 0.5). After the surgical procedures, there was a nonsignificant difference between both groups of patients in mean residual size of the gap in cases of velopharyngeal insufficiency (7 percent versus 8 percent; p > 0.5). It seems that minimal incision palatopharyngoplasty is a safe and reliable procedure for palatal closure in patients with submucous cleft palate. The use of additional individualized velopharyngeal surgery performed simultaneously did not seem to decrease the frequency of residual velopharyngeal insufficiency. Moreover, the residual size of the gap at the velopharyngeal sphincter was not significantly reduced when an additional surgical procedure was performed simultaneously with palatal closure.
A prospective study of speech outcome and maxillofacial growth was carried out in cleft palate patients. Seventy-six cleft palate patients were randomly selected for the study group; 41 patients were operated on at 12 months of age, and 35 patients were operated on at 6 months of age. All patients were followed until they were 4 years of age. All patients underwent a complete speech evaluation, videonasopharyngoscopy, videofluoroscopy, and maxillofacial assessment. The rate of velopharyngeal insufficiency did not differ between the two groups (17 to 19 percent; p > 0.05). However, phonologic development was significantly better (p < 0.05) in the patients operated on at 6 months of age. Furthermore, none of the patients operated on at 6 months of age showed compensatory articulation disorder. In contrast, 62 percent of the patients with postoperative velopharyngeal insufficiency operated on at 12 months of age showed compensatory articulation disorder (p < 0.05). Maxillofacial assessment showed that there were non-significant differences (p > 0.05) in maxillofacial growth in both groups of patients. All patients showed similar degrees of maxillary collapse (p > 0.05). The results of this study suggest that cleft palate repair performed at 6 months of age significantly enhances speech outcome and prevents compensatory articulation disorder.
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