Clinical Research Directory

Inclusion Criteria: * Patients with mild to moderate obstructive sleep apnea syndrome. * Patients diagnosed with mild (AHI 5 to15) and moderate (AHI 16 to 30) OSAS with only retropalatal collapses * Patients who are noncompliant with Continuous positive airway pressure (CPAP). Exclusion Criteria: * Patients diagnosed with sever OSAS (AHI more than 30) * The main site of obstruction at retrolingual level or multilevel obstruction. * Contraindication of surgery (e.g. cardiovascular problems and bleeding tendency). * Patients with significant craniofacial anomalies affecting airway. * Patients with BMI\>40 kg/m2. * Patients unfit for general anesthesia. * History of previous velopharyngeal or lingual surgeries.