Phrenic Nerve Stimulation for Central Sleep Apnea |
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Phrenic Nerve Stimulation for Central Sleep Apnea

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Five-year data support the long-term safety and effectiveness of transvenous phrenic nerve stimulation (TPNS) for central sleep apnea (CSA), suggest researchers.

Investigators reported that CSA severity diminished in patients after device implantation and continued to stay that way up to 5 years. Over half of the patients maintained improvement of apnea hypopnea index (AHI) at both 1 year and 5 years. Central apnea index wasbelow 1 event per hour at 1 year and 5 years alike,compared to a baseline of around 23 events per hour. Additionally, more than half of the patients achieved sustained improvement in arousals through 5 years, and the arousals added up to 19 per hour at both 1 year and 5 years, showing a decline from a baseline value of around 39 arousals per hour. Daytime sleepiness scores on the Epworth scale were at a median 6 points at 1 and 5 years, down from 9 points at baseline. The findings were presented at the virtual meeting of the Heart Failure Society of America… (Medpage Today)

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