Document Detail


Ranolazine Safely Decreases Ventricular and Atrial Fibrillation in Timothy Syndrome (LQT8).
MedLine Citation:
PMID:  20883512     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Long QT eight (LQT8), otherwise known as Timothy syndrome (TS), is a genetic disorder causing hyper-activation of the L-type calcium channel Cav 1.2. This calcium load and the resultant increase in the QT interval provide the substrate for ventricular arrhythmias. We previously presented a case in a patient with TS who had a profound decrease in his burden of ventricular arrhythmias after institution of an L-type calcium channel blocker. Although this patient's arrhythmia burden had decreased, he displayed an increasing burden of atrial fibrillation and still had bouts of ventricular fibrillation requiring defibrillator therapy. Basic research has recently shown that ranolazine, a multipotent ion-channel blocker, may be of benefit in patients with LQT8 syndrome. This case report details the decrease of atrial fibrillation and ventricular fibrillation events in our LQT8 patient with the addition of ranolazine. (PACE 2010; 1-3).
Authors:
Dipak P Shah; Jose L Baez-Escudero; Ian L Weisberg; John F Beshai; Martin C Burke
Publication Detail:
Type:  Journal Article     Date:  2010-09-30
Journal Detail:
Title:  Pacing and clinical electrophysiology : PACE     Volume:  35     ISSN:  1540-8159     ISO Abbreviation:  Pacing Clin Electrophysiol     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-03-06     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7803944     Medline TA:  Pacing Clin Electrophysiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e62-4     Citation Subset:  IM    
Copyright Information:
©2010, The Authors. Journal compilation ©2010 Wiley Periodicals, Inc.
Affiliation:
Department of Medicine, Section of Cardiology, University of Chicago, Chicago, Illinois.
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