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  • Title: Comparison of velopharyngeal growth patterns between cleft lip and/or palate patients requiring or not requiring pharyngeal flap surgery.
    Author: Mazaheri M, Athanasiou AE, Long RE.
    Journal: Cleft Palate Craniofac J; 1994 Nov; 31(6):452-60. PubMed ID: 7833337.
    Abstract:
    This investigation compares the patterns of velopharyngeal growth in cleft lip and/or palate patients. Those who had velopharyngeal competence and acceptable speech are compared with those who presented with velopharyngeal incompetence requiring pharyngeal flap surgery or prosthesis later. Lateral cephalograms of 30 cleft palate only (CPO), 35 unilateral cleft lip and palate (UCLP), and 20 bilateral cleft lip and palate (BCLP) children of the Lancaster Cleft Palate Clinic were studied. These records were taken at 6 month intervals during the first 2 postnatal years and annually thereafter up to 6 years of age. Soft tissue landmark points in the velopharyngeal region were digitized. Length and thickness of the soft palate and height and depth of the nasopharynx were measured. Evaluation of the growth curves of these four cephalometric variables indicated only two significant differences between children who later required pharyngeal flap surgery and those who did not. These differences were found in the growth in length of the soft palate of the CPO group and in the growth in depth of the nasopharynx of the BCLP group. Based on the present cephalometric data, it is impossible to predict at an early age those cleft lip and/or palate patients who will later require pharyngeal flaps.
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