| Cryoballoon in atrial fibrillation ablation. | |
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MedLine Citation:
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PMID: 22382139 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Encouraging results of ablation therapy in patients with paroxysmal atrial fibrillation (AF) have prompted changes in professional practice guidelines. The most recent European guidelines have suggested that ablation might be offered as first-line therapy in selected patients. Cryoballoon ablation is a promising technology in interventional AF therapy. Two different sizes of the cryoballoon are currently available: a smaller (23 mm) and a larger (28 mm) balloon relative to the ostial diameter of the pulmonary veins. New tools, the circular mapping catheter and the use of intracardiac echocardiography, provide important periprocedural information. A meta-analysis of previous studies revealed outcome data with an AF-free survival rate of 72.83% at the 1-year follow-up in paroxysmal AF patients undergoing cryoballoon ablation. The most frequent, but reversible complication is phrenic nerve palsy with reported incidences up to 10%. All efforts must be taken to overcome this limitation, since the overall major complication rate tends to be lower in cryoballoon compared to radiofrequency ablation. In persistent AF, reported results in cryoballoon ablation had a limited success rate below 50% after a single procedure. A double balloon approach using both cryoballoon sizes might overcome some of the limitations in persistent AF. Prospective data and randomized studies are required. This article outlines the current status of cryoballoon technology in AF ablation therapy. |
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Authors:
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M Schmidt; U Dorwarth; F Straube; M Wankerl; J Krieg; A W Leber; A Huber; E Hoffmann |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-3-2 |
Journal Detail:
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Title: Herz Volume: - ISSN: 1615-6692 ISO Abbreviation: - Publication Date: 2012 Mar |
Date Detail:
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Created Date: 2012-3-2 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7801231 Medline TA: Herz Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Cardiology, Klinikum Bogenhausen, Englschalkingerstr. 77, 81925, Munich, Germany, mschmidtco@arcor.de. |
Vernacular Title:
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Einsatz des Kryoballons in der Ablationstherapie von Vorhofflimmern. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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