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A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
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Recurrent spontaneous coronary artery dissection in the United States

Chayakrit Krittanawong1, Anirudh Kumar2, Hafeez Ul Hassan Virk3

  • 1Section of Cardiology, Department of Medicine, Baylor College of Medicine, Houston, TX, United States of America.

International Journal of Cardiology
|November 24, 2019
PubMed

Insights

Recurrent spontaneous coronary artery dissection (SCAD) is more common than previously thought, affecting over a quarter of patients within a year. Female sex is a key predictor of recurrent SCAD.

Area of Science:

  • Cardiology
  • Vascular Medicine
  • Epidemiology

Background:

  • Spontaneous coronary artery dissection (SCAD) recurrence was considered infrequent.
  • Predictors for SCAD recurrence remain poorly understood.

Purpose of the Study:

  • To determine the incidence and clinical characteristics of recurrent SCAD.
  • To identify independent predictors of SCAD recurrence.

Main Methods:

  • Analysis of the Nationwide Readmissions Database (2010-2016).
  • Inclusion of 1836 patients with a primary SCAD diagnosis.
  • Multivariable analysis to identify predictors of recurrence within one year.

Main Results:

  • The incidence of recurrent SCAD within one year was 26.9% among the study cohort.
  • Female sex (OR 2.09) was identified as an independent predictor of recurrent SCAD.
  • Recurrent SCAD was more prevalent in females (74.0%) and those under 65 (74%).

Conclusions:

  • Recurrent SCAD is a frequent event, particularly in younger females with a history of SCAD.
  • Female sex is a significant risk factor for SCAD recurrence.
  • Further research is warranted to explore the underlying mechanisms linking female sex to SCAD recurrence.
Abstract

Keywords:
Recurrent spontaneous coronary artery dissectionSCADSpontaneous coronary artery dissection

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