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The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
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Acute Myocardial Infarction and Daylight Saving Time Transitions: Is There a Risk?

Viktor Čulić1,2, Thomas Kantermann3,4

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Summary
This summary is machine-generated.

Daylight saving time transitions may increase acute myocardial infarction (AMI) risk, particularly in late chronotypes. Further research is needed to explore underlying mechanisms and public health implications.

Keywords:
acute myocardial infarctionchronotypescircadian misalignmentdaylight saving timesexsleep deprivation

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Area of Science:

  • Cardiology
  • Sleep Medicine
  • Public Health

Background:

  • Evidence suggests a potential link between spring daylight saving time (DST) transitions and acute myocardial infarction (AMI) risk.
  • Mechanisms like sleep deprivation and circadian misalignment are implicated in increased AMI risk.

Purpose of the Study:

  • To evaluate the risk of AMI following the spring DST transition.
  • To discuss the adequacy of control periods used in previous studies.
  • To highlight potential underestimation of AMI risk and identify vulnerable populations.

Main Methods:

  • Review of existing evidence on AMI risk post-spring DST transition.
  • Analysis of potential confounding factors and limitations in prior research.
  • Discussion of chronotypes and social jetlag as relevant variables.

Main Results:

  • Existing studies show either a modest increase or no significant increase in AMI risk after spring DST.
  • The adjustment period after DST transition may last longer than commonly assumed (at least four weeks).
  • Late chronotypes and individuals with high social jetlag might be more susceptible to adverse cardiovascular events.

Conclusions:

  • The risk of AMI after spring DST transition is likely increased, though potentially underestimated.
  • Circadian clock misalignment and thrombo-inflammatory processes warrant further investigation.
  • The biannual clock change remains a significant public health concern regarding cardiovascular risk.