How is radiofrequency (RF) energy used in the treatment of obstructive sleep apnea (OSA)?

Updated: Sep 15, 2020
  • Author: Himanshu Wickramasinghe, MD, MBBS; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Answer

A midline soft palate submucosal scar is created by using a needle electrode inserted near the border of the hard palate and directing it toward the uvula. Pulses of RF energy are delivered, resulting in tissue necrosis and needle-tract fibrosis over subsequent weeks to months.


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