| Initial experience with a new balloon-guided single lead catheter for internal cardioversion of atrial fibrillation and dual chamber pacing. | |
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MedLine Citation:
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PMID: 9990636 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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BACKGROUND: Based on the observation that internal cardioversion (IntCV) of atrial fibrillation is effective with electrodes in the right atrium and pulmonary artery, a new balloon-guided catheter and external defibrillation device with optional dual chamber pacing was evaluated. METHODS: IntCV was attempted in 27 patients (age: 57 +/- 10 years, duration: 14 +/- 18 months, left atrial diameter 56 +/- 8 mm) using a new defibrillation device (Alert, EP MedSystems, Inc., NJ, USA) that allows the delivery of biphasic shocks (0.5-15 J, variable tilt), atrial and ventricular pacing, and online signal recording. Pacing and defibrillation shocks were applied via a 7.5 Fr balloon-guided catheter (EP MedSystems, Inc.). Pacing, sensing, and triggering were established through the proximal atrial array and an electrode ring between both defibrillation arrays and a single ventricular electrode ring. Catheters were inserted from the antecubital vein. RESULTS: In 25 of 27 patients sinus rhythm was restored with a mean energy of 6.7 +/- 4.5 J. In five patients, atrial postshock pacing was required for bradycardia and atrial premature beats. The mean fluoroscopy time was 2.0 +/- 1.3 minutes. CONCLUSION: The high success rate, ease of application, and backup dual chamber pacing suggest that this system is an alternative to established methods of cardioversion. In certain indications, such as failure of prior external cardioversion and situations in which a standard pulmonary balloon catheter is needed, this system would be advantageous. |
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Authors:
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A Plewan; C Valina; R Herrmann; E Alt |
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Publication Detail:
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Type: Clinical Trial; Comparative Study; Journal Article |
Journal Detail:
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Title: Pacing and clinical electrophysiology : PACE Volume: 22 ISSN: 0147-8389 ISO Abbreviation: Pacing Clin Electrophysiol Publication Date: 1999 Jan |
Date Detail:
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Created Date: 1999-04-13 Completed Date: 1999-04-13 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 7803944 Medline TA: Pacing Clin Electrophysiol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 228-32 Citation Subset: IM |
Affiliation:
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I Medizinische Klinik, Klinikum rechts der Isar, München, Germany. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Atrial Fibrillation
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therapy*,
ultrasonography Balloon Dilatation / instrumentation* Cardiac Pacing, Artificial / methods Defibrillators, Implantable* Echocardiography, Transesophageal Electric Countershock / methods Electrocardiography Equipment Design Female Fluoroscopy Follow-Up Studies Heart Catheterization / instrumentation Humans Male Middle Aged Pacemaker, Artificial* Prosthesis Implantation / methods* Safety Treatment Outcome |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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