Results 271 to 280 of about 225,650 (316)
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Electrophysiology of Pulmonary Veins
Journal of Cardiovascular Electrophysiology, 2005Pulmonary veins were found to be important foci for the genesis and maintenance of atrial fibrillation. Morphological studies have demonstrated the presence of complex anatomic structures and different types of cardiomyocytes in pulmonary veins. Numerous studies have suggested that the combination of reentrant and nonreentrant mechanisms (automaticity ...
Yi-Jen, Chen, Shih-Ann, Chen
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Unilateral pulmonary vein atresia
American Journal of Roentgenology, 1980Three cases of unilateral pulmonary vein atresia in children are described. The findings in all three cases were similar and consisted of hemoptysis, recurrent pulmonary infections, and a normal size or small lung with reticular markings. In combination, these findings should allow one to strongly suspect the diagnosis which then can be confirmed with ...
L E, Swischuk, P, L'Heureux
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Pulmonary vein antrum isolation
Heart Rhythm, 2007Pulmonary vein antrum isolation offers safe and effective treatment of atrial fibrillation by eliminating the potential triggers of this arrhythmia. The pulmonary vein antra encompass, in addition to the pulmonary veins, the left atrial roof and posterior wall and, in the case of the right pulmonary vein antra, a portion of the interatrial septum ...
Mohamed, Kanj +2 more
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Bilateral meandering pulmonary veins
Pediatric Radiology, 2014Meandering pulmonary veins is a rare clinical entity that can be mistaken for more complex congenital syndromes such as hypogenetic lung syndrome. We report imaging findings in a rare incidentally detected case of bilateral meandering pulmonary veins.
Chakradhar R, Thupili +2 more
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Anomalous Single Pulmonary Veins
American Journal of Roentgenology, 2002507 Anomalous Single Pulmonary Veins I read with great interest the On the AJR Viewbox article by R. C. Gilkeson, John R. Haaga, and Leslie M. Ciancibello, “Anomalous Unilateral Single Pulmonary Vein: Multidetector CT Findings” [1]. This entity was first described by Kozuka and Nosaki [2] in 1968 as a single pulmonary vein that collected all pulmonary ...
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Pacing and Clinical Electrophysiology, 2004
Recent years have seen an enormous amount of experimental and clinical research into role of the pulmonary veins (PVs) in atrial fibrillation (AF). Advanced imaging techniques have confirmed the findings of earlier postmortem studies and added further dimension to our knowledge of PV anatomy.
Simon P, Fynn, Jonathan M, Kalman
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Recent years have seen an enormous amount of experimental and clinical research into role of the pulmonary veins (PVs) in atrial fibrillation (AF). Advanced imaging techniques have confirmed the findings of earlier postmortem studies and added further dimension to our knowledge of PV anatomy.
Simon P, Fynn, Jonathan M, Kalman
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Pulmonary Vein Stenting for Atrial Fibrillation Ablation–Induced Pulmonary Vein Stenosis
Interventional Cardiology Clinics, 2013Pulmonary vein stenosis (PVS) is a known complication of pulmonary vein isolation in the treatment of atrial fibrillation. Patients with PVS can present with a great variety of symptoms. Clinicians should have a low threshold to evaluate for this potentially morbid and treatable condition.
Ameya, Kulkarni, Ignacio, Inglessis
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Pulmonary vein stenosis after radiofrequency pulmonary vein isolation for atrial fibrillation
Journal of the American Society of Echocardiography, 2004A 52-year-old man presented to our institution because of recurrent episodes of atrial fibrillation and counterclockwise atrial flutter, refractory to medical therapy with different regimens including amiodarone, and after several cardioversions to restore in sinus rhythm. Coronary artery stenosis was ruled out invasively.
Lothar, Faber +6 more
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Congenital Narrowing of a Pulmonary Vein: Slit‐like Pulmonary Vein Ostium
Pacing and Clinical Electrophysiology, 2011We report the case of a 60‐year‐old female with a history of refractory paroxysmal atrial fibrillation. Preablation contrast enhanced pulmonary vein computed tomography (CT) scan demonstrated a slit‐like narrowing of the left inferior pulmonary vein ostium. The narrowing measured approximately 3 mm, with poststenotic dilation.
Jessica, Tan +4 more
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Total pulmonary vein occlusion complicating pulmonary vein isolation: Diagnosis and treatment
Heart Rhythm, 2010Pulmonary vein stenosis (PVS) complicating pulmonary vein isolation (PVI) can progress to total pulmonary vein occlusion (PVO). Little is known about the accuracy of noninvasive diagnosis and treatment of PVO.The purpose of this study was to study the diagnostic accuracy of noninvasive testing and the feasibility and outcome of percutaneous ...
Lourdes R, Prieto +2 more
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