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Coronary spasm: It's common, but it's still unsolved.
Hiroki Teragawa1, Chikage Oshita2, Tomohiro Ueda2
1Department of Cardiovascular Medicine, JR Hiroshima Hospital, Hiroshima 732-0057, Japan. hiroteraga71@gmail.com.
World Journal of Cardiology
|December 5, 2018
Summary
Coronary spasm, a narrowing of heart arteries, can cause chest pain and heart issues. While treatments exist, some cases remain difficult to manage, requiring further research.
Area of Science:
- Cardiology
- Vascular Biology
- Ischemic Heart Disease
Background:
- Coronary spasm involves transient constriction of epicardial coronary arteries, leading to myocardial ischemia.
- Recognized over 50 years ago, coronary spasm is implicated in various cardiac conditions, including angina, acute coronary syndrome, and heart failure.
- Recent research has uncovered new insights into the underlying mechanisms of coronary spasm.
Discussion:
- Established diagnostic methods include coronary angiography and spasm provocation tests.
- Calcium-channel blockers are the primary treatment for coronary spasm.
- Despite advancements, challenges persist, such as medically refractory coronary spasm (intractable VSA).
Key Insights:
- Coronary spasm plays a critical role in diverse cardiovascular events.
- Understanding the pathophysiology is crucial for effective management.
- Unresolved issues include refractory cases and optimal device therapy in cardiac arrest survivors.
Outlook:
- Further investigation into refractory coronary spasm is warranted.
- Clarifying the role of implantable cardioverter-defibrillators in specific patient groups is needed.
- Continued research aims to refine diagnostic and therapeutic strategies for coronary spasm.