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Sixty-five patients with cleft palate, with or without cleft lip, who received previous pharyngeal flap surgery for chronic velopharyngeal dysfunction in our department, were examined for velopharyngeal status, speech production patterns, and evidence of nasal airway obstruction. Of the 65 subjects, 54 (83.1 percent) showed velopharyngeal function within normal limits, 43 (66.1 percent) showed normal or near-normal speech production, and 58 (89.2 percent) reported snoring sometimes or often. Of the 58 reporting snoring, electrocardiogram (ECG) data for 33 were examined for evidence of right ventricular hypertrophy. Only one (3 percent) of the 33 showed such possible indication. We conclude that by our methods, pharyngeal flap surgery is an effective treatment for velopharyngeal dysfunction. After surgery, patients may report symptoms of nasal airway obstruction during sleep but are not expected to show ECG changes in cardiac function resulting from oxygen deprivation.

Fifty-eight patients with cleft palate only who had received treatment in the Department of Otolaryngology-Head and Neck Surgery at the University of Iowa were examined for treatment results. Forty-one (70.7 percent) of the 58 patients showed a syndrome or suggestive factors. An unusually high percentage (36 percent) of the 58 patients required secondary surgery for velopharyngeal dysfunction or showed indications for surgery at examination. Some but not all of the relatively low success rate appears related to surgical experience. Speech proficiency, hearing acuity, and dental status were within normal limits or nearly so. The 20 patients with pharyngeal flap surgery were doing well, with minimal indications of functional obstruction.

Bilateral cleft of the lip and palate is by many standards the most complex and severe form of the defect. The complexity and severity of the defect require an unusual degree of cooperation among all specialists and especially between the surgeon and the orthodontist. There are no published findings that we know about in which comprehensive data from a number of disciplines are reported for the same group of bilateral cleft patients. Fifty randomly selected patients with bilateral complete clefts were examined by the Iowa team and two orthodontists from other institutions. The evaluations revealed that a large number of patients over the age of 10 have multiple residual problems requiring further treatment. Only 23 percent of the older patients studied were judged to have had treatment completed by the surgeon, speech pathologist, and orthodontist. It is very difficult to state whether the results obtained by our team can be considered satisfactory because there are no comparable studies that have attempted to evaluate the same parameters in multidisciplinary management.

Forty-five randomly selected patients with unilateral cleft lip, alveolus, and palate, all operated upon by Dr. Wolfram Schweckendiek were evaluated by three American specialists to assess the validity of primary veloplasty. Examination revealed an unusually high incidence of short palate and poor mobility of the soft palate. Facial growth was found to be highly acceptable in the majority of the patients. Unusually high incidence of velopharyngeal incompetence was found in these patients.