Background: Cheyne-Stokes respiration with central sleep apnea (CSR-CSA) in congestive heart failure (CHF) is generally considered a poor prognostic indicator, but treatment of CSR-CSA using an adaptive servo-ventilation (ASV) device has been developed. This is the first evaluation of its use in the management of CSR-CSA in Japanese CHF patients. Methods and Results: Four CHF patients with CSR-CSA that was unresponsive to conventional positive airway pressure (CPAP) underwent 3 nights of polysomnography: baseline, CPAP or bi-level PAP, and on the ASV. The apnea-hypopnea index (AHI) and central-AHI (CAHI) were markedly improved on ASV (AHI 62.7±10.1 to 5.9±2.2 /h, p=0.0006, CAHI 54.5±6.7 to 5.6±2.3 /h, p=0.007). In addition, the sleep quality improved significantly on ASV, including arousal index (62.0±10.5 to 18.7±6.2 /h, p=0.012), percentage of slow-wave sleep (2.6±2.6 to 19.4±4.8 %, p=0.042). Conclusions: ASV markedly improved CSR-CSA in patients with CHF. It is a promising treatment for Japanese patients with CHF.
CITATION STYLE
Kasai, T., Narui, K., Dohi, T., Takaya, H., Yanagisawa, N., Dungan, G., … Momomura, S. I. (2006). First experience of using new adaptive servo-ventilation device for Cheyne-Stokes respiration with central sleep apnea among Japanese patients with congestive heart failure - Report of 4 clinical cases. Circulation Journal, 70(9), 1148–1154. https://doi.org/10.1253/circj.70.1148
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