| Late clinical and electrophysiologic outcome of radiofrequency ablation therapy by the inferior approach in atrioventricular node reentry tachycardia. | |
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MedLine Citation:
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PMID: 8037085 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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A late electrophysiologic study was conducted in 182 of 289 patients with slow-fast atrioventricular node reentry tachycardia 81 +/- 36 days after radiofrequency ablation therapy by the inferior approach. Of these 182 patients, electrophysiologic study immediately after ablation revealed a selective modification of the slow pathway in 159, a modification of both the slow and fast pathways in 15, a modification of the fast pathway alone in 3, and failure of ablation in 5. One hundred two patients had no induction of echoes; 75 had induction of fewer than four echoes; and 5 had induction of sustained tachycardia with or without isoproterenol infusion. The late electrophysiologic study in these 182 patients revealed a persistent effect without changes in conduction properties in 161 (88%) patients. A change in conduction properties was noted in 21 patients, including 5 with resumption of slow- or fast-pathway conduction with induction of sustained tachycardia, 8 with improved fast- or slow-pathway conduction, and 8 with an additional depression of fast- or slow-pathway conduction. Of the 102 patients with no induction of echoes and the 75 patients with induction of fewer than four echoes during the immediate postablation electrophysiologic study, 5 (3 and 2, respectively) patients had induction of tachycardia. Of the 5 patients with induction of sustained tachycardia in the immediate postablation electrophysiologic study, 3 continued to have induction of sustained tachycardia; 1 had induction of echoes only; and 1 had no induction of echoes.(ABSTRACT TRUNCATED AT 250 WORDS) |
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Authors:
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C C Wang; S J Yeh; M S Wen; I C Hsieh; F C Lin; D Wu |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: American heart journal Volume: 128 ISSN: 0002-8703 ISO Abbreviation: Am. Heart J. Publication Date: 1994 Aug |
Date Detail:
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Created Date: 1994-08-18 Completed Date: 1994-08-18 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0370465 Medline TA: Am Heart J Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 219-26 Citation Subset: AIM; IM |
Affiliation:
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Department of Medicine, Chang Gung Memorial Hospital, Chang Gung Medical College, Taipei, Taiwan. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adolescent Adult Aged Aged, 80 and over Catheter Ablation* / adverse effects, methods Electrocardiography Electrophysiology Female Follow-Up Studies Heart Block / etiology Humans Male Middle Aged Tachycardia, Atrioventricular Nodal Reentry / physiopathology, surgery* Treatment Outcome |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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