Circadian Rhythms and Seasonal Incidence of Cardiac Arrhythmia in Cardiovascular Patients

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ABBASNEZHAD MOHSEN; SEPARHAM AHMAD; Shahnazarli Golnesa; NAMDAR HOSSEIN; Akhondi Bahman

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Journal: Crescent Journal of Medical and Biological Sciences Year:2019 | Volume:6 | Issue:1 Page(s): 51-55

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Title

Circadian Rhythms and Seasonal Incidence of Cardiac Arrhythmia in Cardiovascular Patients

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Keywords

Circadian rhythm

Seasonal incidence

Cardiac arrhythmia

Abstract

Objectives: Cardiovascular diseases are one of the most common causes of inability and mortality in most countries. External and internal factors, especially Circadian rhythms can play a significant role in the incidence of heart attacks and supraventricular arrhythmias. Various changes in the biological conditions of body lead to these rhythmic changes, as well as circadian cycles and Seasonal incidence. The occurrence of Cardiac arrhythmias fluctuates during the day and night. However, seasonal variations and night-time sleep are among the reasons for a decrease in the incidence of such arrhythmia. Materials and Methods: This study is descriptive research. The population of the study included patients who referred to the emergency room and inpatient centers of Shahid Madani teaching hospital of Tabriz. A total of 722 patients were examined during September 2008-2010. Data were analyzed using the SPSS, version 16. Results: Two types of arrhythmia including the atrial fibrillation (AF) and none-AF occurred in 480 (63%) and 292 (37%) individuals, respectively. In addition, as regards the seasonal distribution of arrhythmia, the highest incidence rate was 225 (29. 1%) in spring. Further, in terms of the hour of incidence and the related percentage, arrhythmias were recorded during a circadian period and as follows: 00. 00-4. 00 (10. 2%), 4. 00-8. 00 (5. 4%), 8. 00-12. 00 (34. 9%), 12. 00-16. 00 (19. 9%), 16. 0020. 00 (16. 5%), and 20. 00-24. 00 (12. 6%). Conclusions: Generally, changes in seasonal Circadian rhythms are believed to play a role in the incidence of supraventricular arrhythmic attacks. Furthermore, it is assumed that internal hormonal and biochemical changes affect the occurrence of supraventricular arrhythmia. Therefore, identifying these seasonal and Circadian rhythms can have important practical applications.

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APA: Copy

ABBASNEZHAD, MOHSEN, SEPARHAM, AHMAD, Shahnazarli, Golnesa, NAMDAR, HOSSEIN, & Akhondi, Bahman. (2019). Circadian Rhythms and Seasonal Incidence of Cardiac Arrhythmia in Cardiovascular Patients. CRESCENT JOURNAL OF MEDICAL AND BIOLOGICAL SCIENCES, 6(1), 51-55. SID. https://sid.ir/paper/758799/en

Vancouver: Copy

ABBASNEZHAD MOHSEN, SEPARHAM AHMAD, Shahnazarli Golnesa, NAMDAR HOSSEIN, Akhondi Bahman. Circadian Rhythms and Seasonal Incidence of Cardiac Arrhythmia in Cardiovascular Patients. CRESCENT JOURNAL OF MEDICAL AND BIOLOGICAL SCIENCES[Internet]. 2019;6(1):51-55. Available from: https://sid.ir/paper/758799/en

IEEE: Copy

MOHSEN ABBASNEZHAD, AHMAD SEPARHAM, Golnesa Shahnazarli, HOSSEIN NAMDAR, and Bahman Akhondi, “Circadian Rhythms and Seasonal Incidence of Cardiac Arrhythmia in Cardiovascular Patients,” CRESCENT JOURNAL OF MEDICAL AND BIOLOGICAL SCIENCES, vol. 6, no. 1, pp. 51–55, 2019, [Online]. Available: https://sid.ir/paper/758799/en

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