Identifying and Treating Vulnerable Atherosclerotic Plaques

John A Ambrose1, Avinash V Sharma1

  • 1Division of Cardiology, Department of Medicine, UCSF Fresno Medical Education Program, Fresno, California.

PubMed

Insights

Identifying vulnerable plaques causing acute coronary syndromes is key. New imaging techniques help detect these nonobstructive, high-risk plaques for preventive strategies against myocardial infarction.

Area of Science:

  • Cardiology
  • Vascular Biology
  • Medical Imaging

Background:

  • Acute coronary syndromes often result from coronary thrombosis on disrupted or eroded atherosclerotic plaques.
  • These vulnerable plaques, typically nonobstructive, are the primary cause of myocardial infarction and sudden cardiac death.
  • Traditional cardiology focused on obstructive lesions, overlooking vulnerable plaques.

Purpose of the Study:

  • To explore the identification and management of vulnerable, thrombus-prone plaques.
  • To discuss novel preventive strategies targeting asymptomatic high-risk plaques.
  • To review noninvasive and interventional approaches for managing these lesions.

Main Methods:

  • Utilizing computed tomographic angiography (CTA) to identify vulnerable plaques.
  • Employing intravascular imaging during invasive coronary angiography for plaque detection.
  • Analyzing noninvasive techniques and systemic therapies for patient management.

Main Results:

  • CTA and intravascular imaging can identify a majority of vulnerable plaques before symptom onset.
  • These imaging modalities enable the detection of nonobstructive, yet high-risk, plaques.
  • New preventive strategies can be developed based on early plaque identification.

Conclusions:

  • Vulnerable plaque identification is crucial for preventing thrombotic events like myocardial infarction.
  • Noninvasive and systemic therapies offer avenues for managing patients with these lesions.
  • A novel interventional paradigm may emerge for treating thrombus-prone plaques.

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