Research Topics
| L Brent MitchellSummaryAffiliation: University of Calgary Country: Canada Publications
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Detail Information
Publications
The role of the transvenous catheter electrophysiologic study in the evaluation and management of ventricular tachyarrhythmias associated with ischemic heart diseaseL Brent Mitchell
Department of Cardiac Science, Calgary Health Region, Foothills Hospital, Calgary, Alberta, Canada
Card Electrophysiol Rev 6:458-62. 2002..The purpose of this review is to outline our present understanding of the techniques and indications for an EP study in patients with ischemic heart disease...- Atrial fibrillation following cardiac surgeryL Brent Mitchell
Libin Cardiovascular Institute of Alberta, Calgary, Alberta
Can J Cardiol 21:45B-50B. 2005.... - Prophylactic therapy to prevent atrial arrhythmia after cardiac surgeryL Brent Mitchell
Libin Cardiovascular Institute of Alberta, Calgary Health Region, Department of Cardiac Sciences, University of Calgary, Canada
Curr Opin Cardiol 22:18-24. 2007..The purpose of this review is to summarize these recent advances in the context of our previous knowledge base regarding the prevention of postoperative atrial fibrillation... 
Role of drug therapy for sustained ventricular tachyarrhythmiasL Brent Mitchell
Department of Cardiac Sciences, University of Calgary Foothills Hospital, Alberta T2N 2T9, Canada
Cardiol Clin 26:405-18, vi. 2008....- Are lipid-lowering drugs also antiarrhythmic drugs? An analysis of the Antiarrhythmics versus Implantable Defibrillators (AVID) trialL Brent Mitchell
Division of Cardiology, Foothills Hospital University of Calgary, 1403 29th Street NW, Calgary, Alberta, Canada T2N 2T9
J Am Coll Cardiol 42:81-7. 2003.... - Prophylactic Oral Amiodarone for the Prevention of Arrhythmias that Begin Early After Revascularization, Valve Replacement, or Repair: PAPABEAR: a randomized controlled trialL Brent Mitchell
Libin Cardiovascular Institute of Alberta, Calgary, Alberta
JAMA 294:3093-100. 2005..Atrial tachyarrhythmias after cardiac surgery are associated with adverse outcomes and increased costs. Previous trials of amiodarone prophylaxis, while promising, were relatively small and yielded conflicting results... - Sudden death in patients with implantable cardioverter defibrillators: the importance of post-shock electromechanical dissociationL Brent Mitchell
Foothills Hospital University of Calgary, Calgary, Alberta, Canada
J Am Coll Cardiol 39:1323-8. 2002.... - Beneficial effects of statin therapy for prevention of atrial fibrillation following DDDR pacemaker implantationAnne M Gillis
Department of Cardiac Sciences, Libin Cardiovascular Institute of Alberta, University of Calgary and Calgary Health Region, Calgary, AB, Canada
Eur Heart J 29:1873-80. 2008..The clinical predictors of at/af recurrence following dual-chamber pacemaker insertion were examined in 185 consecutive patients with paroxysmal AF... - Validation of a new simple scale to measure symptoms in atrial fibrillation: the Canadian Cardiovascular Society Severity in Atrial Fibrillation scalePaul Dorian
Division of Cardiology, St Michael s Hospital, University of Toronto, Toronto, Ontario, Canada
Circ Arrhythm Electrophysiol 2:218-24. 2009..This study was performed to validate the scale... - Randomized controlled trial of fixed rate versus rate responsive pacing after radiofrequency atrioventricular junction ablation: quality of life, ventricular refractoriness, and paced QT dispersionHenry J Duff
Cardiovascular Disease Research Group, University of Calgary Health Sciences Centre, HSC 1632, 3330 Hospital Drive NW, Calgary, Alberta, Canada T2N 4N1
J Cardiovasc Electrophysiol 14:1163-70. 2003..The aim of this study was to provide information about the balance between measures of quality of life versus measures of electrical remodeling achieved by pacing with different rate modalities in a randomized pilot clinical trial... - Clinical and electrophysiologic predictors of ventricular tachyarrhythmia recurrence in patients with implantable cardioverter defibrillatorsAnne M Gillis
Division of Cardiology, Foothills Hospital and Cardiovascular Research Group, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada
J Cardiovasc Electrophysiol 14:492-8. 2003..We evaluated the clinical and electrophysiologic predictors of ventricular tachycardia (VT) and ventricular fibrillation (VF) recurrence following ICD implantation... - Prophylactic amiodarone for prevention of atrial fibrillation after cardiac surgery: a meta-analysisSean M Bagshaw
Department of Critical Care Medicine, University of Calgary, Calgary, Alberta, Canada; Department of Community Health Sciences, University of Calgary, Calgary, Alberta, Canada; Department of Intensive Care, Austin Hospital, Melbourne, Victoria, Australia
Ann Thorac Surg 82:1927-37. 2006..The current evidence supports recommending the routine use of perioperative amiodarone for cardiac surgery... - Survival after coronary revascularization among patients with kidney diseaseBrenda R Hemmelgarn
Department of Medicine, University of Calgary, Calgary, Alberta, Canada
Circulation 110:1890-5. 2004..3 mg/dl)... - Geographical location of residence and uniformity of access to cardiac revascularization services after catheterizationJudy E Seidel
Faculty of Medicine Community Health Sciences, University of Calgary, Calgary, Canada
Can J Cardiol 20:517-23. 2004..This study examines the use of an existing database to gain further insights into the relationship between geography and access to cardiac care, and the distance-access relationship for coronary revascularization in Alberta... - Meta-analysis of the effectiveness and safety of catheter ablation of atrial fibrillation in patients with versus without left ventricular systolic dysfunctionStephen B Wilton
Libin Cardiovascular Institute of Alberta, University of Calgary, Canada
Am J Cardiol 106:1284-91. 2010..Significant improvements in left ventricular ejection fractions after ablation were observed in those with LVSD. Randomized trials are needed given the limitations of present data... - Effect of beta-blocker use on outcomes after discharge in patients who underwent cardiac surgeryAnita Y M Chan
Division of General Internal Medicine, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
J Thorac Cardiovasc Surg 140:182-7, 187.e1. 2010..This study was designed to examine whether discharge use of beta-blockers was associated with outcomes after hospitalization in patients who had undergone nontransplant cardiac surgery... - Single diagnostic pacing maneuver for supraventricular tachycardiaGeorge D Veenhuyzen
Libin Cardiovascular Institute of Alberta, University of Calgary and Calgary Health Region, Foothills Medical Centre, Calgary, Alberta, Canada
Heart Rhythm 5:1152-8. 2008..Therefore, diagnosis often requires the integration of multiple pieces of information and/or pacing maneuvers, which adds to the complexity of catheter ablation procedures... - Canadian Cardiovascular Society atrial fibrillation guidelines 2010: prevention and treatment of atrial fibrillation following cardiac surgeryL Brent Mitchell
Libin Cardiovascular Institute of Alberta, Alberta Health Services and University of Calgary, Foothills Hospital, Calgary, Alberta, Canada
Can J Cardiol 27:91-7. 2011..The ongoing need for any POAF treatment (including anticoagulation) should be reconsidered 6-12 weeks after the surgical procedure... - Noninvasive risk assessment early after a myocardial infarction the REFINE studyDerek V Exner
Libin Cardiovascular Institute of Alberta, Calgary, Canada Department of Community Health Sciences, University of Calgary, Calgary, Canada
J Am Coll Cardiol 50:2275-84. 2007.... 
A novel, simple scale for assessing the symptom severity of atrial fibrillation at the bedside: the CCS-SAF scalePaul Dorian
Division of Cardiology, St Michael s Hospital, University of Toronto, Ontario, Canada
Can J Cardiol 22:383-6. 2006..Quantifying the effect of AF on patient well-being is important but there is no simple, commonly accepted measure of the effect of AF on quality of life (QoL). Current QoL measures are cumbersome and impractical for clinical use...- Diagnostic pacing maneuvers for supraventricular tachycardias: part 2George D Veenhuyzen
Libin Cardiovascular Institute of Alberta, University of Calgary and Calgary Health Region, Alberta, Canada
Pacing Clin Electrophysiol 35:757-69. 2012.... - Precordial QT dispersion does not predict inducibility of ventricular tachyarrhythmias at post-revascularization electrophysiologic studySatish R Raj
Division of Cardiology, Foothills Medical Centre and the Cardiovascular Disease Research Group, University of Calgary, 3330 Hospital Drive NW, Calgary, Alberta, Canada, T2N 4N1
J Interv Card Electrophysiol 6:25-33. 2002..Actuarial survival was similar in patients in whom VT was induced and patients in whom VT was not induced... - Long-term outcomes of patients receiving drug-eluting stentsAndrew C Philpott
Department of Medicine, University of Calgary, Calgary, Alberta
CMAJ 180:167-74. 2009..We sought to establish the long-term safety of drug-eluting stents compared with bare-metal stents in a usual care setting... - The prevention of sudden cardiac death: the role of the automated external defibrillatorL Brent Mitchell
Libin Cardiovascular Institute of Alberta, Department of Cardiac Sciences, Calgary Health Region and the University of Calgary, Alberta
Can J Cardiol 21:41A-46A. 2005..The present review evaluates the current role of the automated external defibrillator in the ongoing struggle to prevent sudden cardiac death... - Diagnostic pacing maneuvers for supraventricular tachycardia: part 1George D Veenhuyzen
Libin Cardiovascular Institute of Alberta, University of Calgary, Calgary, Alberta, Canada
Pacing Clin Electrophysiol 34:767-82. 2011.... - A tale of two post pacing intervalsGeorge D Veenhuyzen
Department of Cardiac Sciences, Libin Cardiovascular Institute of Alberta, University of Calgary, Calgary, Alberta, Canada
J Cardiovasc Electrophysiol 17:687-9. 2006 - Atrial fibrillation: challenges and opportunitiesAhmad Hersi
Libin Cardiovascular Institute of Alberta, University of Calgary, and Calgary Health Region, Alberta
Can J Cardiol 22:21C-26C. 2006..Furthermore, AF management remains associated with many challenges that make the treatment of AF a vexing problem. The present overview discusses these challenges and explores the opportunities associated with them... - Entrainment mapping of a concealed nodoventricular accessory pathway in a man with complete heart block and tachycardia-induced cardiomyopathyF Russell Quinn
Libin Cardiovascular Institute of Alberta, University of Calgary, Calgary, Alberta, Canada
J Cardiovasc Electrophysiol 19:90-4. 2008..The patient was successfully treated with radiofrequency ablation, resulting in a marked improvement in left ventricular function... - Sex differences in access to coronary revascularization after cardiac catheterization: importance of detailed clinical dataWilliam A Ghali
University of Calgary, 3330 Hospital Drive Northwest, Calgary, Alberta T2N 4N1, Canada
Ann Intern Med 136:723-32. 2002..Although some studies suggest that access to cardiac procedures may differ by sex, others have found no evidence of gender bias in cardiac care... - Mandatory physician reporting of drivers with cardiac disease: ethical and practical considerationsChristopher S Simpson
Arrhythmia Serive, Division of Cardiology, Department of Medicine, Queen s University, Kingston, Canada
Can J Cardiol 20:1329-34. 2004.... - Addendum to "Personal and public safety issues related to arrhythmias that may affect consciousness: implications for regulation and physician recommendations: a medical/scientific statement from the American Heart Association and the North American Andrew E Epstein
University of Alabama at Birmingham, USA
Circulation 115:1170-6. 2007..3) Patients with ICDs for primary prevention must be instructed that impairment of consciousness is a possible future event. (4) These recommendations do not apply to the licensing of commercial drivers... - Prognostic value of baseline electrophysiology studies in patients with sustained ventricular tachyarrhythmia: the Antiarrhythmics Versus Implantable Defibrillators (AVID) trialMichael A Brodsky
Division of Cardiology, University of California Irvine Medical Center, Orange, Calif 92868 4080, USA
Am Heart J 144:478-84. 2002..We sought to determine the value of electrophysiology (EP) testing in patients with ventricular fibrillation (VF), ventricular tachycardia (VT) with syncope, or sustained VT in the setting of left ventricular dysfunction... - Assessment of the cardiac patient for fitness to drive: drive subgroup executive summaryChris Simpson
Kingston General Hospital, Kingston, Canada
Can J Cardiol 20:1314-20. 2004 - Effect of ramipril in reducing sudden deaths and nonfatal cardiac arrests in high-risk individuals without heart failure or left ventricular dysfunctionKoon K Teo
Population Health Research Institute, McMaster University, Hamilton, Ontario, Canada
Circulation 110:1413-7. 2004.... - Relationships between sinus rhythm, treatment, and survival in the Atrial Fibrillation Follow-Up Investigation of Rhythm Management (AFFIRM) StudyScott D Corley
Axio Research Corporation, Seattle, Wash, USA
Circulation 109:1509-13. 2004..If an effective method for maintaining SR with fewer adverse effects were available, it might be beneficial... - Are transthoracic echocardiographic parameters associated with atrial fibrillation recurrence or stroke? Results from the Atrial Fibrillation Follow-Up Investigation of Rhythm Management (AFFIRM) studyBrian Olshansky
University of Iowa Hospitals, 200 Hawkins Drive, Iowa City, IA 52242, USA
J Am Coll Cardiol 45:2026-33. 2005..The purpose of this study was to evaluate the associations of transthoracic echocardiographic parameters with recurrent atrial fibrillation (AF) and/or stroke... - Addendum to "Personal and Public Safety Issues Related to Arrhythmias That May Affect Consciousness: Implications for Regulation and Physician Recommendations. A medical/scientific statement from the American Heart Association and the North American Andrew E Epstein
University of Alabama at Birmingham, Alabama, USA
Heart Rhythm 4:386-93. 2007..3) Patients with ICDs for primary prevention must be instructed that impairment of consciousness is a possible future event. (4) These recommendations do not apply to the licensing of commercial drivers... - QT dispersion in 120 electrocardiographic leads in patients with structural heart diseasePetr Stovicek
Department of Physiology and Biophysics, Dalhousie University, Halifax, Nova Scotia
Pacing Clin Electrophysiol 25:20-31. 2002..It correlated with the presence of structural heart disease, but not with arrhythmogenicity. An array consisting of ECG leads covering the entire chest allowed better reproducibility and measurement accuracy of QTd... - The relative importance of barriers to the prescription of warfarin for nonvalvular atrial fibrillationTammy J Bungard
Division of Cardiology, University of Alberta, Edmonton
Can J Cardiol 19:280-4. 2003..The use of decision support technologies would facilitate involvement of the patient and serve to educate both the patient and physician on the risks and benefits of warfarin therapy... - Similarities and differences between atrial flutter and atrial fibrillationChristopher S Simpson
Queen s University, Kingston, Ontario
Can J Cardiol 21:67B-70B. 2005..Radiofrequency ablation should be considered to be an early, first-line alternative to pharmacological strategies for many patients with atrial flutter... - Distinguishing focal from macroreentrant atrial tachycardias: has this job just become easier?George D Veenhuyzen
J Cardiovasc Electrophysiol 19:148-9. 2008 - Canadian Cardiovascular Society/Canadian Heart Rhythm Society position paper on implantable cardioverter defibrillator use in CanadaAnthony S Tang
University of Ottawa Heart Institute, University of Ottawa, Ottawa
Can J Cardiol 21:11A-18A. 2005..Members of the Canadian Heart Rhythm Society participated in the discussion of these recommendations in open forum meetings and by electronic communication... - Universal access -- but when? Treating the right patient at the right time: access to electrophysiology services in CanadaChristopher S Simpson
Queen s University, Kingston, Canada
Can J Cardiol 22:741-6. 2006..The proposed benchmarks are presented herein... - Home use of automated external defibrillators for sudden cardiac arrestGust H Bardy
Seattle Institute for Cardiac Research, Seattle, WA 98103 4819, USA
N Engl J Med 358:1793-804. 2008..Consequently, home use of an automated external defibrillator (AED) might offer an opportunity to improve survival for patients at risk...