Nightly Variation in Sleep Apnea Severity as Atrial Fibrillation Risk

Dominik Linz, Anthony G. Brooks, Adrian D. Elliott, Jonathan M. Kalman, R. Doug McEvoy, Dennis H. Lau, Prashanthan Sanders

Research output: Contribution to journalLetter

9 Citations (Scopus)

Abstract

Sleep-disordered breathing (SDB) severity is largely determined by the number of apneas and hypopneas/h during a single overnight sleep study, following which patients are categorized as no, mild, moderate, or severe SDB (1). However, SDB severity in an individual patient may not be stable over time, but may instead exhibit a considerable night-to-night variability, which might result in a dynamic exposure to SDB-related conditions affecting the timing and extent of cardiovascular responses such as atrial fibrillation (AF) (2). Although chronic atrial structural alterations have already been described in AF patients with SDB (3), clinical evidence for a dynamic AF substrate related to nightly SDB severity is lacking.
Original languageEnglish
Pages (from-to)2406-2407
Number of pages2
JournalJournal of The American College of Cardiology
Volume72
Issue number19
DOIs
Publication statusPublished - 6 Nov 2018

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