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Myocardial infarction with non-obstructive coronary arteries (MINOCA) affects many, especially young women. Identifying the cause is key for effective treatment and better cardiovascular outcomes.

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Area of Science:

  • Cardiology
  • Cardiovascular Medicine

Background:

  • Myocardial infarction with non-obstructive coronary arteries (MINOCA) is a significant cause of adverse cardiovascular events, notably in young women.
  • Multiple underlying mechanisms, including plaque disruption, coronary spasm, microvascular dysfunction, spontaneous coronary artery dissection, and thromboembolism, can precipitate MINOCA.

Purpose of the Study:

  • To review the prevalence, pathophysiology, diagnostic strategies, and current treatment approaches for MINOCA.
  • To highlight the importance of identifying the specific cause of MINOCA for targeted therapeutic interventions.

Main Methods:

  • Review of existing literature on MINOCA, encompassing its causes, diagnosis, and management.
  • Discussion of advanced diagnostic tools such as invasive intracoronary imaging and cardiac MRI.

Main Results:

  • MINOCA is prevalent and linked to poor cardiovascular outcomes.
  • Various coronary and non-coronary conditions can mimic or cause MINOCA, necessitating thorough differential diagnosis.
  • Angiotensin-converting enzyme inhibitors and statins show potential benefit in long-term MINOCA management, though standardization is lacking.

Conclusions:

  • Accurate diagnosis of MINOCA's underlying etiology is crucial for guiding patient management.
  • Further research is needed to standardize long-term treatment strategies for MINOCA patients.