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  • Title: Coronary Artery Spasm during Cryoballoon Ablation in a Patient with Atrial Fibrillation.
    Author: Yajima K, Yamase Y, Oishi H, Ikehara N, Asai Y.
    Journal: Intern Med; 2018 Mar 15; 57(6):819-822. PubMed ID: 29093410.
    Abstract:
    The patient was a 63-year-old man with drug-resistant atrial fibrillation who developed coronary spasm during cryoballoon ablation (CBA). CBA was started from the left inferior pulmonary vein. ST elevations in II, III, and aVf, with reciprocal ST depressions in V2-5, occurred in association with chest pain just after balloon rewarming and deflation, and the patient's blood pressure fell to 50 mmHg. Coronary angiography revealed 90% diffuse stenosis from the orifice of segment 1 to segment 4 in the right coronary artery. The stenosis and ST elevations improved after the intracoronary injection of nitroglycerine. Using continuous peripheral intravenous coronary vasodilation, we electrically isolated the other pulmonary veins with CBA without incident.
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