Impact of Pulmonary Vein Cryoballoon Ablation on Bronchial Injury ∗ ∗ ARASH ARYANA, M.S., M.D., MARK R. BOWERS, M.S., M.D., SA MAN HAYATDAVOUDI, M.D.,† YANHONG ZHANG, M.D.,‡ ALAA AFIFY, M.D.,‡ ANDRED’AVILA, M.D., Ph.D.,§ and PADRAIG GEAROID O’NEILL, M.D. From the Mercy General Hospital and Dignity Health Heart and Vascular Institute; †Pulmonary Medicine Associates; ‡Department of Pathology and Laboratory Medicine, University of California Davis Medical Center, Sacramento, California, USA; and §Instituto de Pesquisa em Arritmia Cardiaca, Hospital Cardiologico, Florianopolis, SC, Brazil Pulmonary Vein Cryoablation and Bronchial Injury. Introduction: There is a paucity of data on the mechanisms of cough and hemoptysis that sometimes ensue from cryoballoon ablation of pulmonary veins (Cryo-PV). This study speciﬁcally examined the impact of ultra-cold (−60 °C, 3 minutes), prolonged (>−55 °C, 6 minutes), and conventional (>−55 °C, 3 minutes) Cryo-PV on lung/bronchial injury. Methods and Results: Four healthy adult swine underwent Cryo-PV. Each animal received Cryo-PV to the inferior common trunk and the right superior PV. In 2 animals, 1 PV was treated with 2 ultra- cold (Cryo-A ) and the other with 2 conventional (Cryo-A ) cryoapplications. In the other Ultra-cold Conventional 2 animals, 1 PV was ablated using 2 prolonged (Cryo-B ) and
Journal of Cardiovascular Electrophysiology – Wiley
Published: Jul 1, 2016
Keywords: ; ; ; ; ;
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