Spontaneous coronary artery dissection and acute myocardial infarction in women
Ali Farzad1,2, William Giesing3, Cara Norvell1,2
1Department of Emergency Medicine, Baylor University Medical Center, Dallas, Texas.
Insights
Spontaneous coronary artery dissection (SCAD) is a key cause of heart attacks in young women. This report highlights SCAD diagnosis and treatment, emphasizing the need for better revascularization strategies.
Area of Science:
- Cardiology
- Vascular Biology
Background:
- Spontaneous coronary artery dissection (SCAD) is an emerging cause of acute coronary syndrome (ACS) in younger populations, especially women.
- It represents the leading cause of nonatherosclerotic coronary artery disease in women under 50.
- Current management guidelines are based on limited data from case series, showing suboptimal outcomes with percutaneous coronary intervention (PCI).
Observation:
- SCAD presents as chest pain in emergency departments, leading to myocardial infarction and sudden death.
- Conservative management and observation are often preferred due to high complication rates associated with PCI.
- Patients with persistent ischemia, hemodynamic instability, or electrical instability pose significant management challenges.
Findings:
- This case report aims to raise awareness of SCAD and its diagnostic and therapeutic nuances.
- It underscores the complexities in managing SCAD patients, particularly those with compromised cardiac function.
- The report highlights the limitations of current treatment approaches and the need for further research.
Implications:
- Increased awareness of SCAD is crucial for timely diagnosis and appropriate management.
- Further research is required to identify optimal candidates for revascularization in SCAD.
- Refining therapeutic strategies for SCAD can improve patient outcomes and reduce mortality and morbidity.
Abstract:
Spontaneous coronary artery dissection (SCAD) is increasingly recognized as a cause of acute coronary syndrome, acute myocardial infarction, and sudden death in young patients, particularly women, presenting to the emergency department with chest pain. It is the most common cause of nonatherosclerotic coronary artery disease in women <50 years of age. Current guidelines for SCAD management come from case series that have demonstrated low success rates and high rates of complications with percutaneous coronary intervention. Expert consensus suggests conservative care, and observation is preferred in many patients. However, patients with ongoing symptoms of cardiac ischemia or hemodynamic or electrical instability with compromised myocardial perfusion remain challenging. With this case report, we aim to increase awareness of SCAD and critical aspects of its diagnostic and therapeutic approach. Further investigation is needed to clarify the ideal candidates for revascularization to optimize outcomes and limit morbidity and mortality.
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