Abstract
During follow-up of a 60-year-old patient with dilated cardiomyopathy, a Holter electrocardiogram revealed monomorphic premature ventricular complexes (PVCs) accounting for 21-30% of total beats. Oral beta-blockers led to no improvement in PVC burden. The first radiofrequency catheter ablation attempt identified the PVC arising from the left ventricle summit communicating vein (CV) but failed to eliminate the PVC's origin. The second ablation attempt with selective infusions of 100% ethanol into the summit CV resulted in immediate termination of PVCs. The post-ablation course was uneventful. Echocardiography showed an improved ejection fraction, and a repeated Holter electrocardiogram showed no recurrence of PVCs during follow-up. Ethics The RCVEA procedures were approved by the Takagi Hospital Ethical Committee and were performed under an institutional review board-approved protocol. (Kouhou-kai Ethical Committee, ID: KR168) Fundings This work was supported by the Takagi Hospital Cardiology Research Grant. The authors declare no competing interests. Acknowledgements: We thank the patient, the patient's family, and the medical staff of Takagi Hospital for their valuable cooperation and kind support. Consent Written informed consent was obtained from the patient for the publication of this case report and accompanying images.
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