| The relationship between the QT interval and plasma amiodarone concentration in patients on long-term therapy. | |
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MedLine Citation:
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PMID: 3691605 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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We have studied 27 patients on long-term treatment (6-60 months) with amiodarone (dose range 350 mg per week to 2800 mg per week) to ascertain whether the corrected QT interval could predict plasma amiodarone or plasma desethylamiodarone concentration. The patients were assessed on three or four occasions one month apart. There were positive correlations for delta % QTc and plasma amiodarone and delta % QTc and plasma desethylamiodarone. There was approximately a four-fold variation for delta % QTc and plasma amiodarone. This variation was not accounted for by between-occasion variation in the QTc interval, as the coefficient of variation was 2.1%. In six of the patients delta % QTc either decreased or did not change. delta % QTc is not a reliable predictor of plasma amiodarone concentration in the individual patient over time. |
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Authors:
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C D Burgess; R W Siebers; G L Purdie; C Taylor; T J Maling |
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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: European journal of clinical pharmacology Volume: 33 ISSN: 0031-6970 ISO Abbreviation: Eur. J. Clin. Pharmacol. Publication Date: 1987 |
Date Detail:
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Created Date: 1988-02-12 Completed Date: 1988-02-12 Revised Date: 2007-11-15 |
Medline Journal Info:
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Nlm Unique ID: 1256165 Medline TA: Eur J Clin Pharmacol Country: GERMANY, WEST |
Other Details:
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Languages: eng Pagination: 115-8 Citation Subset: IM |
Affiliation:
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Department of Medicine, Wellington Clinical School of Medicine, University of Otago, New Zealand. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Aged Amiodarone / blood, pharmacology*, therapeutic use Arrhythmias, Cardiac / drug therapy*, physiopathology Electrocardiography* Female Heart Rate / drug effects* Humans Male Middle Aged |
| Chemical | |
Reg. No./Substance:
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1951-25-3/Amiodarone |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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