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Journal of Sleep Sciences، جلد ۴، شماره ۳-۴، صفحات ۵۹-۶۲
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عنوان انگلیسی Comparison of Abnormal Heart Rate and Nocturnal Arrhythmia in Patients with Obstructive Sleep Apnea and Normal Subjects
چکیده انگلیسی مقاله Background and Objective: Obstructive sleep apnea (OSA) is a common sleep-related breathing disorder and an important risk factor for cardiovascular diseases (CVDs). This study aimed to compare abnormal heart rate and arrhythmias among patients with OSA and normal subjects. Materials and Methods: This case-control study was conducted on patients with OSA who were attending Imam Khomeini Hospital Sleep Lab, Tehran, Iran, to undergo a full-night polysomnography (PSG). Apnea-Hypopnea Index (AHI) was measured for study participants. Those with AHI < 5/h were considered as control (normal) and those with AHI > 15/h were considered as case (OSA) group. We compared abnormal heart rate and nocturnal arrhythmia during PSG between the two study groups. Results: A total of 60 patients (30 cases and 30 controls) were included in this study. Abnormal heart rate (bradycardia and tachycardia) and nocturnal arrhythmia were compared between the two study groups. Twenty-eight percent of patients with moderate to severe OSA developed arrhythmia including sinus arrest, premature atrial contraction (PAC), atrial fibrillation (AF), and bigeminy premature ventricular contraction (PVC). Multiple PVC episodes were observed in 6.7% of subjects without OSA. Nocturnal arrhythmia was more common in cases; however, there was no significant difference. Mean heart rate in cases was 45 beat/minute in comparison with 68/minute in controls (P = 0.0001). Conclusion: Different arrhythmias are observed in patients with OSA due to autonomic disorders. Bradycardia was more prevalent among patients with OSA. Regarding the association between OSA and nocturnal arrhythmias, treatment of OSA is important to prevent cardiac mortality.
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نویسندگان مقاله | Besharat Rahimi
Advanced Thoracic Research Center, Tehran University of Medical Sciences, Tehran, Iran


| Anahita Tavoosi
Advanced Thoracic Research Center, Tehran University of Medical Sciences, Tehran, Iran


| Toktam Sadeghi
Advanced Thoracic Research Center, Tehran University of Medical Sciences, Tehran, Iran


| Romina Arjmand
Advanced Thoracic Research Center, Tehran University of Medical Sciences, Tehran, Iran


| Maryam Edalatifard
Advanced Thoracic Research Center, Tehran University of Medical Sciences, Tehran, Iran
نشانی اینترنتی https://jss.tums.ac.ir/index.php/jss/article/view/120
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