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Environmental Temperature, Other Climatic Variables, and Cardiometabolic Profile in Acute Myocardial Infarction.

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Climate impacts acute myocardial infarction (AMI) risk. Cold temperatures correlate with adverse cardiovascular profiles and higher complication rates, while heat anomalies are linked to increased admissions for smokers and younger patients.

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Area of Science:

  • Cardiology
  • Environmental Medicine
  • Public Health

Background:

  • Acute myocardial infarction (AMI) is a leading cause of mortality worldwide.
  • Environmental factors, including climate, may influence cardiovascular disease incidence and outcomes.
  • Understanding these relationships is crucial for public health interventions and patient management.

Purpose of the Study:

  • To investigate the association between climatic conditions and cardiovascular (CV) profiles of patients admitted for AMI.
  • To evaluate periprocedural complications and in-hospital mortality in AMI patients based on different climate parameters.
  • To identify specific patient subgroups at higher risk during distinct climatic periods.

Main Methods:

  • Retrospective analysis of 2478 AMI patients admitted between 2007-2018.
  • Data categorized by annual warm (May-October) and cold (November-April) periods.
  • Further analysis using warm/cold extremes and monthly extremes to refine climate-temperature associations.

Main Results:

  • Lower temperatures were associated with higher AMI hospitalization rates in patients with adverse CV profiles, increased periprocedural complications, and higher in-hospital mortality.
  • Warmer periods, especially heat anomalies, showed increased admissions of smokers and younger AMI patients.
  • Cooler periods were linked to reduced hospitalizations of diabetic and dyslipidemic patients.

Conclusions:

  • Different analytical approaches reveal distinct patient subgroups with varying CV risk factors and AMI admission risks under different climatic conditions.
  • Climatic variations influence AMI risk and short-term outcomes, highlighting potential pathophysiological mechanisms.
  • Findings have implications for targeted prevention strategies and public health initiatives related to AMI.