Therapeutic procedures for coronary vasospasm-induced polymorphic ventricular tachycardia
William F Dresen1, Quinn S Wells, David J Maron
1Vanderbilt University Medical Center, 905 Derby Trace, Nashville, TN 37211, USA. william.f.dresen@vanderbilt.edu
Therapeutic Advances in Cardiovascular Disease
|May 2, 2012
Summary
Coronary vasospasm, a rare cause of heart attacks, can be challenging to diagnose and treat. Refractory cases may benefit from coronary stent implantation or defibrillators for arrhythmias.
Area of Science:
- Cardiology
- Vascular Medicine
Background:
- Coronary vasospasm is an uncommon cause of angina and myocardial ischemia.
- It can lead to acute myocardial infarction, arrhythmias, and sudden cardiac death.
- Diagnosis relies heavily on clinical suspicion, as provocation studies are infrequent due to risks.
Purpose of the Study:
- To review the diagnosis and management of coronary vasospasm.
- To highlight therapeutic options for refractory cases.
Main Methods:
- Literature review of coronary vasospasm diagnosis and treatment.
- Discussion of clinical presentation and diagnostic challenges.
- Analysis of therapeutic strategies, including medical management, stenting, and defibrillators.
Main Results:
- Coronary vasospasm diagnosis is primarily clinical.
- A subset of patients exhibits refractory disease unresponsive to standard therapies.
- Coronary stent implantation has shown success in focal, refractory vasospasm.
- Implantable cardioverter defibrillators are indicated for vasospasm with lethal ventricular arrhythmias.
Conclusions:
- Coronary vasospasm requires a high index of clinical suspicion.
- Management of refractory vasospasm may involve advanced interventions like stenting.
- Defibrillator implantation is crucial for patients with life-threatening arrhythmias secondary to vasospasm.
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