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2 .. Wilcoxon 3 spss. ANOVA Mann Whitney, signed ranks ( 8) 2. ( ) (%5) 4. ( 25-65) 47±/7 (%42/7) 2 %75. 2/22-4/23 BMI. 4/3 %/7. 2±4/5 pack %2/6 snoring. /3yr p=/4. %3/6. stage %7/ 2 (%25) snoring. 2 snoring scale (p=/). /5 7/3 6/8 (p=/5). 3/3 (%7/)... BMI. snoring surgical medical. (radiofrequency palatoplasty) snoring... snoring BMI. Quasi experimental study. before and after snoring celon radiofrequency palatoplasty ( 2). BMI ) snoring scale.( (visual analogue scale) ( ) snoring scale scale

3 Snoring radiofrequency volumetric soft tissue reduction /6 /7 3/3 64/4 :2-3 3 (-) SD 5/2 3/7 6/ -3() 4-6(2) 4-(5) (4). radiofrequency palatoplosty snoring Brian E. emery. %7/4 % / snoring pilot study. ( ) 4/82 snoring. %5 Tatla /5 7/3 2. 3/3±4/ 6/82±6/ 2 ) Brian E.emery. (5/3±3/2 8/75±4. BMI 2 Hassan D sauza. BMI.... : - 3/2 /5 6/8 35/7 32/ 32/ :3 - I II III... sleep disordered breathing

4 2 Kiani Asiabar M. et al.. ) multilevel treatment BMI. (.. References. Emery BE, Flexon PB. Radiofrequency volumetric tissue reduction of the soft palate: a new treatment for snoring. Laryngoscope 2; : Krouse JH, Mirante JP, Christmas DA. Office-based Surgery in Otolaryngology. Philadelphia: Saunders;. 3. Tatla T, Sandhu G, Croft CB, Kotecha B. Celon radiofrequency thermo-ablative palatoplasty for snoring: a pilot study. J Laryngol Otol 23; 7: Troell RJ, Terris DJ. Sleep Apnea and Sleep-Disordered Breathing. In: Flint PW, Hanghey BH, editors. Otolaryngology Head & Neak Surgery. 4 th ed. Philadelphia: Elsevier Mosby; 25. p: Stoelltine RK, Miller RD. Basics of Anesthesia. 2 nd ed. New York: Churchill Livingstone; Piccirillo JF, Thawley SE. Sleep-Disordered Breathing. In: Cummings CW, Fredrickson JM, Harker LA, Kraus CJ, Richardson MA, Schuller DE. Otolaryngology Head and Neak. Tongue versus pharyngeal Surgery. 3 th ed. New York: Geoff Green Wood; 8. p Cartwright R, Venkatesan TK, Caldarelli D, Diaz F. Treatments for snoring: a comparison of somnoplasty and an oral appliance. Laryngoscope 2; : Wia BJ, Wooley AL. Pharyngitis and Adenotonsilar Disease. In: Flint PW, Haughey B, Cummings C, Thomas JR, editors. Otolaryngology Head and Neck Surgery. 4 th ed. New York: Mosby; 25. p Shirazi RF. Radiofrequency assisted uvulopalatoplasty in treatment of snoring. The second International Congress of Iranian Oral & Maxillofacial Surgeans, 24.. D'Souza A, Hassan S, Morgan D. Recent advances in surgery for snoring: somnoplasty (radiofrequency palatoplasty) a pilot study: effectiveness and acceptability. Rev Laryngol Otol Rhinol 2; 2:

5 Evaluation of two surveillance methods for surgical site infection Tehran University Medical Journal; Vol. 66, No. 2, May 28: Radiofrequency palatoplasty: soft tissue reduction for snoring Kiani Asiabar M. * Samimi Ardestani H. Mehdizadeh J. Department of ENT. Tehran University of Medical Sciences. Abstract Background: Resulting from the rough flow of air through the nose and throat during sleep, snoring can arise from transitory obstruction at various levels, rendering the sufferer feeling sleep deprived. A relatively new method using radiofrequency technology, called palatoplasty (somnoplasty), can be used to reduce the size of obstructive tissues in the nose and throat. In this study, we assess radiofrequency palatoplasty in the treatment of snoring. Methods: This nonrandomized prospective quasi-experimental study included patients who snored at a level considered bothersome to their bed partner. Snoring and drowsiness were each subjectively scored using 2-point visual analogue scales before and after treatment. Radiofrequency energy was delivered to the soft palate either at the midline or in the lateral soft palate; 2 patients were treated once and seven patients twice with an interval of at least seven weeks. Results: The mean age of the patients was 47 (SD=.7) years, with a range of years, 57% were men, and the mean body mass index was 2 (SD=4.5). Sleep apnea in these patients was subjectively rated mild to moderate. After seven weeks of treatment, snoring was improved in 7.4% of patients (p<.5). The tongue versus pharyngeal size was improved in 34.4% (p<.5). The mean patient snoring score was significantly improved from 7.3 (SD=3.2) to.5 (SD=6.46) (p<.5). The mean drowsiness score was also significantly reduced from 6.8 (SD=6.) to 3.3 (SD=4.) (p<.5). No persistent negative impact was observed in speech or swallowing. Pain and bleeding was limited. Conclusions: Radiofrequency palatoplasty is effective in the treatment of snoring and its consequent drowsiness. Keywords: Palatoplasty, snoring, radiofrequency *Corresponding author: No 4, 5 th Alley, Ashrafi esfehani Ave., Pounak Sq. Tel: kian_mojgan@yahoo.com