Treatment algorithm for velopharyngeal dysfunction in patients with cleft palate: a systematic review

The aim of this study was to review current literature regarding the speech outcome of different techniques of surgical treatment of VPD in cleft patients, in an attempt to reach a treatment algorithm. A systematic review was done, by searching Pubmed, Scopus, and Web of Science electronic databases, following the PRISMA guidelines. Articles reporting speech assessment results of secondary VPI surgeries on non-syndromic patients with CP. Surgical techniques were categorised into two groups; palatal and pharyngeal surgeries. Raw data were extracted to compare speech outcome and complication of each technique, with special emphasis on the factors affecting the patients' selection for each technique. Our results showed comparable success and complication rates among these techniques. However, the factors governing selection of each technique were identified and taken into consideration to reach a preliminary algorithm. A preliminary treatment algorithm is described based on the results of our review; the most important factors affecting the technique choice are: VP gap size, LVP position, palatal mobility, palatal scarring, VP closure pattern, and age of the patient.