Related Experiment Video

Updated: Nov 11, 2025

Author Spotlight: Enhancing Coronary Artery Revascularization
05:25

Author Spotlight: Enhancing Coronary Artery Revascularization

Published on: September 15, 2023

984

Long-Term Outcomes Comparing Medical Therapy versus Revascularization for Spontaneous Coronary Artery Dissection

Chayakrit Krittanawong1, Salik Nazir2, Hafeez Hassan Virk3

  • 1Michael E. DeBakey VA Medical Center, Houston, Tex; Section of Cardiology, Baylor School of Medicine, Houston, Tex.

The American Journal of Medicine
|March 28, 2021
PubMed

Insights

Management of spontaneous coronary artery dissection (SCAD) shows no significant difference in death, recurrence, or repeat revascularization between medical and invasive therapies. Stable patients without high-risk features may benefit from medical management for SCAD.

Area of Science:

  • Cardiology
  • Vascular Medicine
  • Interventional Cardiology

Background:

  • Spontaneous coronary artery dissection (SCAD) management strategies lack clear definition.
  • Optimal treatment pathways for SCAD require further investigation.

Purpose of the Study:

  • To compare the long-term outcomes of medical therapy versus invasive therapy for spontaneous coronary artery dissection.
  • To evaluate the risks of death, SCAD recurrence, and repeat revascularization in SCAD patients based on treatment allocation.

Main Methods:

  • A comprehensive meta-analysis of original studies, including randomized controlled trials and observational studies, was conducted.
  • Searched databases: Ovid MEDLINE, Embase, Cochrane, Scopus, and Web of Science (1966-September 2020).
  • Compared outcomes between patients receiving medical therapy and those undergoing invasive therapy (PCI or CABG).

Main Results:

  • No statistically significant differences were observed in the risk of death (RR=0.753), SCAD recurrence (RR=1.09), or repeat revascularization (RR=0.64) between medical and invasive therapy groups.
  • Follow-up periods ranged from 4 months to 3 years.
  • Low heterogeneity was noted for SCAD recurrence (I²=0.0%).

Conclusions:

  • In this meta-analysis of observational studies, medical therapy and invasive therapy for SCAD yielded similar long-term risks for death, recurrence, and repeat revascularization.
  • Findings support current expert consensus favoring medical therapy for clinically stable SCAD patients without high-risk features.
  • Further large-scale studies, including randomized controlled trials, are necessary to validate these outcomes.

Keywords:
Meta-analysisRevascularizationspontaneous coronary artery dissection (SCAD)systematic review

More Related Videos

A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis04:30

A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis

Published on: May 14, 2013

25.9K
Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement14:14

Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement

Published on: December 11, 2017

14.3K

Related Concept Videos

Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
110
Acute Coronary Syndrome IV: Interprofessional Care01:28

Acute Coronary Syndrome IV: Interprofessional Care

IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
86
Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
100