Screening and managing obstructive sleep apnoea in nocturnal heart block patients: an observational study

Respiratory Research
Xu WuShanqun Li

Abstract

Nocturnal heart block often occurs in patients with obstructive sleep apnoea (OSA). It is more likely to be undiagnosed in heart block patients who are ignorant of the symptoms of sleep disorder. Berlin Questionnaire (BQ) is a highly reliable way to discover the risk factors of OSA, whereas the validity in sleep-related heart block patients is uncertain. We performed an observational study to address these issues and confirmed the potential protective effect of continuous positive airway pressure (CPAP). Patients who were previously diagnosed with nocturnal heart block with R-R pauses exceeding 2 seconds were retrospective screened from the ECG centre of Zhongshan hospital. These recruited participants completed Berlin Questionnaire and underwent polysomnography synchronously with 24-hour Holter monitoring. A cross-sectional analysis was performed to confirm the association between nocturnal arrhythmia and OSA, as well as to assess the diagnostic accuracy of the BQ. Subsequently, subjects diagnosed with OSA (apnoea-hypopnoea index > 5) underwent 3 consecutive days of CPAP therapy. On the third day, patients repeated 24-hour Holter monitoring within the institution of CPAP. The symptoms of disruptive snoring and hypersomnolence ...Continue Reading

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Citations

Feb 18, 2017·Breathe·Monique SuárezJosep M Montserrat
Mar 30, 2020·Journal of Interventional Cardiac Electrophysiology : an International Journal of Arrhythmias and Pacing·Stefania Angela Di FuscoMassimo Santini
Jun 26, 2020·Journal of Research in Medical Sciences : the Official Journal of Isfahan University of Medical Sciences·Paula Cornelia VargaCarmen Monica Pop

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