Key result
Ongoing, temporary percutaneous stellate ganglion blockade successfully suppressed ventricular arrhythmogenesis, resulting in zero ICD shocks in a patient refractory to VT ablation.
Why the study?
Does percutaneous stellate ganglion block prevent ICD shocks in a patient with ischemic cardiomyopathy and electrical storm refractory to VT ablation?
Case Report (n=1)
Does percutaneous stellate ganglion block prevent ICD shocks in a patient with ischemic cardiomyopathy and electrical storm refractory to VT ablation?
Ongoing, temporary percutaneous stellate ganglion blockade may suppress ventricular arrhythmogenesis in patients with electrical storm refractory to VT ablation.
Answers are grounded in this paper and cite their sources.
May suppress ventricular arrhythmias in ablation-refractory electrical storm; hypothesis-generating and requires prospective validation.
INTRODUCTION: Electrical storm is a condition characterized by multiple episodes of ventricular tachycardia (VT) or ventricular fibrillation (VF) in a short period of time. CASE PRESENTATION: An 80-year-old male with a history of ischemic cardiomyopathy presented with multiple ICD shocks. As a last resort, he underwent percutaneous left, followed by right, stellate ganglion block under fluoroscopic guidance. Since his discharge, he has been managed with alternating, biweekly left and right stellate ganglion blocks, and he has received no ICD shocks. DISCUSSION: This case illustrates the potential of ongoing, temporary percutaneous stellate ganglion blockade in suppressing ventricular arrhythmogenesis.
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Hayase et al. (2013) conducted a case report in Electrical storm (VT/VF) (n=1). Percutaneous stellate ganglion block was evaluated on ICD shocks. Ongoing, temporary percutaneous stellate ganglion blockade successfully suppressed ventricular arrhythmogenesis, resulting in zero ICD shocks in a patient refractory to VT ablation.
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