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The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
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Recurrent spontaneous coronary artery dissection.

Minmin Xu1, Jian Wang2, Kangzheng Yuan3

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Spontaneous coronary artery dissection (SCAD) can recur, often at new sites, leading to serious heart issues. This review identifies risk factors for recurrent SCAD (R-SCAD) to improve prevention and management, especially in pregnant women.

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Area of Science:

  • Cardiology
  • Vascular Biology
  • Reproductive Medicine

Background:

  • Spontaneous coronary artery dissection (SCAD) is an important cause of myocardial infarction (MI), particularly in pregnant individuals.
  • Advancements in coronary angiography and intravascular imaging have increased SCAD diagnosis.
  • Recurrent SCAD (R-SCAD) occurs in 8-27% of cases, often affecting different arterial locations and potentially causing severe complications like arrhythmias and cardiogenic shock.

Approach:

  • This study performs a comprehensive review of existing literature on R-SCAD.
  • The review focuses on identifying early risk factors associated with R-SCAD.
  • It also examines the risks of R-SCAD in subsequent pregnancies for women with a prior SCAD history.

Key Points:

  • R-SCAD commonly affects different anatomical sites than the initial SCAD event.
  • Early identification of risk factors is crucial for developing effective prevention strategies.
  • Pregnancy history in women with SCAD requires careful consideration due to potential R-SCAD risks.

Conclusions:

  • A thorough understanding of R-SCAD risk factors can guide clinical interventions and prevention policies.
  • Further research is needed to optimize management strategies for R-SCAD, especially in the context of pregnancy.
  • This review aims to enhance clinical awareness and improve outcomes for patients experiencing R-SCAD.