Document Detail

Multilevel temperature-controlled radiofrequency therapy of soft palate, base of tongue, and tonsils in adults with obstructive sleep apnea.
MedLine Citation:
PMID:  14520107     Owner:  NLM     Status:  MEDLINE    
OBJECTIVES/HYPOTHESIS: The concept of two-level pharyngeal collapse in patients with obstructive sleep apnea is too simplified. Aggressive multilevel surgeries addressing several airway segments, including skeletal surgery, demonstrate improved success rates. STUDY DESIGN: The study aimed to evaluate the safety and efficacy of multilevel radiofrequency application to soft palate, tonsils, and base of tongue in 16 white patients (mean age, 56.9 +/- 11.1 y; mean body mass index, 27.3 +/- 2.6 kg/m2) with obstructive sleep apnea. There was one dropout. Therapeutic effects after one treatment session were assessed 20.6 +/- 12.6 weeks postoperatively. Treatment outcome measurements were based on Epworth Sleepiness Scale, Likert scales, and polysomnography. METHODS: Every patient received 16 treatment sites with a total dose of 9750 J radiofrequency energy into soft palate, base of tongue, and tonsils. Success was defined as respiratory disturbance index equal to or less than 20 or at least 50% improvement if baseline respiratory disturbance index was less than 20. Statistical analysis was determined with the Spearman rank test. RESULTS: Mean score on Epworth Sleepiness Scale decreased from 11.1 to 8.2 (P =.0001). Of the patients, 53.3% reported improvement of their daytime sleepiness. Snoring was assessed with 10-point Lickert scale, and score decreased from 7.5 to 4.9 (P =.08). Mean respiratory disturbance index decreased from 32.6 +/- 17.4 to 22.0 +/- 15.0 (P =.003). By our definition of success, 5 of 15 patients (33%) have been treated successfully surgically and 4 of 15 (27%) had remarkable improvement after one treatment session; 1 patient (6.6%) demonstrated deterioration. There were two adverse effects, one superficial ulceration of the soft palate and one unilateral tonsillar abscess formation, with an overall complication rate of 13.3% for our patients and 0.41% for all treatment sites (n = 240). CONCLUSION: Moderate to severe obstructive sleep apnea usually requires multilevel pharyngeal surgery. Radiofrequency offers the potential of altering the upper airway on different sites.
Yvonne Fischer; Martin Khan; Wolf J Mann
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Laryngoscope     Volume:  113     ISSN:  0023-852X     ISO Abbreviation:  Laryngoscope     Publication Date:  2003 Oct 
Date Detail:
Created Date:  2003-10-01     Completed Date:  2003-11-07     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  8607378     Medline TA:  Laryngoscope     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1786-91     Citation Subset:  IM    
Department of Otolaryngology, University of Ulm, Prittwitzstrasse 43, D-89075 Ulm, Germany.
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MeSH Terms
Catheter Ablation*
Middle Aged
Otorhinolaryngologic Surgical Procedures / methods*
Palate, Soft / surgery*
Palatine Tonsil / surgery*
Sleep Apnea, Obstructive / surgery*
Tongue / surgery*
Treatment Outcome

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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