Phrenic nerve stimulation for the treatment of central sleep apnea


Patients were assessed at 24 (n = 109) and 36 (n = 60) months. Baseline characteristics included mean age 64 years, 91% male, and mean apnea–hypopnea index 47 events per hour. Sleep metrics (apnea–hypopnea index (AHI), central apnea index, arousal index, oxygen desaturation index, rapid eye movement sleep) remained improved through 24 and 36 months with continuous use of PNS therapy. At least 60% of patients in the treatment group achieved at least 50% reduction in AHI through 24 months. Serious adverse events (SAEs) related to the remedē System implant procedure, device, or therapy through 24 months were reported by 10% of patients, no unanticipated adverse device effects or deaths, and all events resolved. No additional related SAEs were reported between 24 and 36 months.


These data suggest beneficial effects of long-term PNS in patients with CSA appear to sustain through 36 months with no new safety concerns.

Author(s) Source
Fox H, Oldenburg O, Javaheri S, et al. Sleep, zsz158,
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