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Angina with no obstructive coronary arteries (ANOCA) is increasingly diagnosed and linked to adverse cardiovascular outcomes, particularly in women. Research is advancing diagnostic tools and treatments for this complex condition.

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Area of Science:

  • Cardiology
  • Vascular Medicine
  • Diagnostic Imaging

Background:

  • Increasing diagnoses of stable ischemic patients without obstructive coronary arteries (ANOCA).
  • Previously considered benign, ANOCA is now associated with heightened cardiovascular risk.
  • ANOCA is more prevalent in women and linked to microvascular dysfunction.

Purpose of the Study:

  • To provide a comprehensive review of Angina with No Obstructive Coronary Arteries (ANOCA).
  • To analyze ANOCA's pathophysiology, diagnosis, management, and clinical implications.
  • To suggest future research directions for evidence-based therapies.

Main Methods:

  • Review of current clinical practice and emerging diagnostic modalities.
  • Analysis of pathophysiological mechanisms including microvascular and endothelial dysfunction.
  • Examination of pharmacotherapy and ongoing research into interventional techniques.

Main Results:

  • ANOCA is associated with increased adverse cardiovascular outcomes.
  • Microvascular dysfunction is a primary pathophysiological factor, with contributions from inflammation and autonomic dysfunction.
  • Diagnostic tools like CFR, IMR, HMR, and OCT are utilized and under investigation.

Conclusions:

  • ANOCA requires a comprehensive understanding beyond its previous benign classification.
  • Effective management strategies target specific pathophysiologies like vasospastic angina or microvascular dysfunction.
  • Further research is crucial for advancing ANOCA diagnosis and evidence-based treatment options.