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Daylight Saving Time transitions and Cardiovascular Disease in Andalusia: Time Series Modeling and Analysis Using
Francisco José Rodríguez-Cortés1,2,3, Jorge E Jiménez-Hornero4, Juan Francisco Alcalá-Diaz5
1Department of Nursing, Instituto Maimónides de Investigación Biomédica de Córdoba (IMIBIC), Córdoba, Spain.
Angiology
|September 16, 2022
Summary
Daylight Saving Time (DST) transitions, particularly in autumn, are linked to a higher risk of acute myocardial infarction (AMI) and NSTEMI. However, the overall pattern of cardiovascular hospital admissions remains largely unchanged.
Area of Science:
- Cardiology
- Public Health
- Chronobiology
Background:
- Daylight Saving Time (DST) transitions disrupt natural circadian rhythms.
- Previous studies suggest potential links between DST and cardiovascular events.
- Understanding these impacts is crucial for public health strategies.
Purpose of the Study:
- To investigate the association between DST transitions and hospital admissions for major acute cardiovascular events (MACE).
- To analyze specific risks for acute myocardial infarction (AMI) and ischemic stroke.
- To identify dynamic patterns using natural visibility graphs (NVGs).
Main Methods:
- Analysis of hospital admission data for MACE from Andalusian public hospitals (2009-2019).
- Calculation of incidence rates for MACE, AMI, and ischemic stroke around DST transitions.
- Application of NVGs to detect temporal patterns in hospitalization data.
Main Results:
- An increased risk of AMI (1.06) and NSTEMI (1.12) was observed following the autumn DST transition.
- Acute coronary syndrome also showed a slight increase in risk (1.05).
- NVGs revealed minor daily pattern variations but no significant deviation from normal hospitalization trends.
Conclusions:
- Autumn DST transitions are associated with a statistically significant increase in AMI and NSTEMI admissions.
- Despite the observed increase, the overall pattern of cardiovascular hospitalizations is not substantially altered by DST transitions.
- Further research may explore mechanisms linking DST to cardiovascular events.
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