title: Evaluation of effects of anterior palatoplasty operation on upper airway parameters in computed tomography in patients with pure snoring and obstructive sleep apnea syndrome.
abstract: OBJECTIVE
  To investigate changes in upper airway volume parameters measured by computerized tomography scans in patients with surgically treated by anterior palatoplasty of whom having pure snoring and mild-moderate obstructive sleep apnea.
  
  
  METHODS
  A prospective study on consecutively anterior palatoplasty performed pure snoring and obstructive sleep apnea patients. Computerized tomography scans were obtained preoperatively and following anterior palatoplasty procedure to measure changes in upper airway volume. Patients underwent diagnostic drug induced sleep endoscopy to assess the site of obstruction. Preoperative and postoperative measurements were compared using student's t test and Chi-square test.
  
  
  RESULTS
  Twenty-two patients (16 men and 6 women, age 48.22 ± 9.23, body mass index 25.85 ± 2.57) completed the trial. Anterior palatoplasty was associated with an increase in total upper airway volume from 4.81 ± 1.73 cm3before treatment to 6.57 ± 2.03 cm3after treatment (p < 0.005). Change in soft palate thickness did not vary significantly (p < 0.039). The mean soft palate length has changed from 4.13 ± 0.41 to 3.93 ± 0.51 cm (p < 0.001). The preoperative and postoperative measurements of cross-sectional areas and volumes all showed significant difference except velopharynx minimal lateral airway dimension. The operational procedure increased the total upper airway volume much more in men than in women (p < 0.05).
  
  
  CONCLUSIONS
  Results of this study indicate that anterior palatoplasty operation appears to produce significant increase in upper airway volume and cross sectional area. It does not seem to have an effect on lateral airway dimension. Computerized tomography is a quick and noninvasive imaging technique that allows for quantitative assessment of the velopharyngeal patency changes.
authors.affiliation: Derince Education and Research Hospital ENT Clinic, 41100, Derince, Kocaeli, Turkey. sadin27@yahoo.com.
authors.forename: Adin
authors.initials: A
authors.lastname: Selcuk
authors.affiliation: Derince Education and Research Hospital Radiology Clinic, Derince, Kocaeli, Turkey.
authors.forename: Tulay
authors.initials: T
authors.lastname: Ozer
authors.affiliation: Derince Education and Research Hospital ENT Clinic, 41100, Derince, Kocaeli, Turkey.
authors.forename: Erkan
authors.initials: E
authors.lastname: Esen
authors.affiliation: Derince Education and Research Hospital ENT Clinic, 41100, Derince, Kocaeli, Turkey.
authors.forename: Fatih
authors.initials: F
authors.lastname: Ozdogan
authors.affiliation: Derince Education and Research Hospital ENT Clinic, 41100, Derince, Kocaeli, Turkey.
authors.forename: Halil Erdem
authors.initials: HE
authors.lastname: Ozel
authors.affiliation: Derince Education and Research Hospital ENT Clinic, 41100, Derince, Kocaeli, Turkey.
authors.forename: Turgut
authors.initials: T
authors.lastname: Yuce
authors.affiliation: Derince Education and Research Hospital ENT Clinic, 41100, Derince, Kocaeli, Turkey.
authors.forename: Sebla
authors.initials: S
authors.lastname: Caliskan
authors.affiliation: Derince Education and Research Hospital ENT Clinic, 41100, Derince, Kocaeli, Turkey.
authors.forename: Sinem
authors.initials: S
authors.lastname: Dasli
authors.affiliation: Sutcu Imam University ENT Department, Kahramanmaras, Turkey.
authors.forename: Nagihan
authors.initials: N
authors.lastname: Bilal
authors.affiliation: Derince Education and Research Hospital Radiology Clinic, Derince, Kocaeli, Turkey.
authors.forename: Gulden
authors.initials: G
authors.lastname: Genc
authors.affiliation: Derince Education and Research Hospital ENT Clinic, 41100, Derince, Kocaeli, Turkey.
authors.forename: Selahattin
authors.initials: S
authors.lastname: Genc
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010160:Palate, Soft / Q000033:anatomy & histology / Q000601:surgery*; D010614:Pharynx / Q000033:anatomy & histology* / Q000000981:diagnostic imaging; D017286:Polysomnography; D011446:Prospective Studies; D020181:Sleep Apnea, Obstructive / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D012913:Snoring / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D014057:Tomography, X-Ray Computed
keywords: Anterior palatoplasty; Computerized tomography; Obstructive sleep apnea; Snoring