Acute and Subacute Triggers of Cardiovascular Events

Bryan G Schwartz1, Robert A Kloner2, Morteza Naghavi3

  • 1Aurora Cardiovascular Services, Aurora Sinai/Aurora St. Luke's Medical Centers, University of Wisconsin School of Medicine and Public Health, Milwaukee, Wisconsin; and UPMC Hamot, Heart and Vascular Institute, Erie, Pennsylvania.

Insights

Identifying triggers for cardiovascular (CV) events can help high-risk patients avoid them. Early recognition and management of triggers like adrenergic stress or infections are crucial for preventing CV events.

Area of Science:

  • Cardiology
  • Preventive Medicine
  • Immunology

Background:

  • Predicting short-term cardiovascular (CV) events and intervening proactively remains a significant challenge in cardiology.
  • Nonspecific triggers, common in daily life, have been identified as potential initiators of CV events.
  • Understanding the temporal link between triggers and CV events offers a window for intervention in vulnerable patients.

Purpose of the Study:

  • To review the literature on the epidemiology and pathophysiology of CV event triggers.
  • To identify specific triggers and their time course in precipitating CV events.
  • To inform strategies for preventing CV events in high-risk populations.

Main Methods:

  • Literature review of studies on cardiovascular event triggers.
  • Analysis of the temporal relationship between triggers and CV event onset.
  • Examination of the pathophysiology of adrenergic, immune, and inflammatory triggers.

Main Results:

  • Adrenergic triggers can lead to CV events within minutes to hours.
  • Immune or inflammatory triggers, such as infections, may precipitate events days to weeks later.
  • High-risk atherosclerotic patients are particularly vulnerable to these triggers.

Conclusions:

  • Healthcare providers should counsel high-risk patients on trigger avoidance and protective measures.
  • Patients experiencing symptoms after exposure to triggers should seek immediate emergency care.
  • Clinical trials investigating trigger-targeted prevention and intervention strategies are warranted.

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