Publications by authors named "Andrew Ha"

77Publications

Meta-Analysis of Safety and Efficacy of Direct Oral Anticoagulants Versus Warfarin According to Time in Therapeutic Range in Atrial Fibrillation.

Am J Cardiol 2021 Feb 12;140:62-68. Epub 2020 Nov 12.

Department of Medicine, University of Toronto, Toronto, Canada; Departments of Critical Care and Medicine, St. Michael's Hospital, Toronto, Canada.

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February 2021

Focal and pseudo/rotational activations in human atrial fibrillation defined with automated periodicity mapping.

J Cardiovasc Electrophysiol 2020 Nov 11. Epub 2020 Nov 11.

Division of Cardiology, Peter Munk Cardiac Centre, Toronto General Hospital, University Health Network, Toronto, Canada.

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November 2020

Minimalistic strategy for coronary sinus lead implant: A single tool capable of electrophysiological mapping, pressure measurement, and angiography.

Pacing Clin Electrophysiol 2020 10 13;43(10):1072-1077. Epub 2020 Aug 13.

Division of Cardiology, University Health Network, Toronto General Hospital, Toronto, Ontario, Canada.

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October 2020

Impact of electrical cardioversion on quality of life for patients with symptomatic persistent atrial fibrillation: Is there a treatment expectation effect?

Am Heart J 2020 08 11;226:152-160. Epub 2020 May 11.

Department of Medicine, University of Toronto, Toronto, Ontario, Canada; St. Michael's Hospital, Unity Health Toronto, Toronto, Ontario, Canada.

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August 2020

Association of Left Ventricular Ejection Fraction with Mortality and Hospitalizations.

J Am Soc Echocardiogr 2020 Jul 9;33(7):802-811.e6. Epub 2020 Mar 9.

Peter Munk Cardiac Centre of University Health Network, Toronto, Ontario, Canada; Institute for Clinical Evaluative Sciences, Toronto, Ontario, Canada; Joint Department of Medical Imaging, University Health Network, Toronto, Ontario, Canada. Electronic address:

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July 2020

Electroanatomical mapping-guided stereotactic radiotherapy for right ventricular tachycardia storm.

HeartRhythm Case Rep 2019 Dec 30;5(12):590-592. Epub 2019 Sep 30.

The Hull Family Cardiac Fibrillation Management Laboratory, Peter Munk Cardiac Centre, Toronto General Hospital, University Health Network, Toronto, Canada.

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December 2019

Direct and indirect mapping of intramural space in ventricular tachycardia.

Heart Rhythm 2020 03 15;17(3):439-446. Epub 2019 Oct 15.

The Hull Family Cardiac Fibrillation Management Laboratory, Peter Munk Cardiac Centre, Toronto General Hospital, University Health Network, Toronto, Ontario, Canada. Electronic address:

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March 2020

Health Care Utilization After Ventricular Tachycardia Ablation: A Propensity Score-Matched Cohort Study.

Can J Cardiol 2019 02 25;35(2):169-177. Epub 2018 Oct 25.

University Health Network, Toronto General Hospital, University of Toronto, Toronto, Ontario, Canada. Electronic address:

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February 2019

Which Patients With Cardiac Sarcoidosis Should Receive Implantable Cardioverter-Defibrillators: Some Answers but Many Questions Remain.

Circ Arrhythm Electrophysiol 2018 08;11(8):e006685

Division of Cardiology, Virginia Commonwealth University, Richmond (J.K.).

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August 2018

Novel Therapeutic Approach to Terminate Atrial Fibrillation: Time to Chill?

Authors:
Andrew C T Ha

JACC Clin Electrophysiol 2018 10;4(10):1369-1371

Peter Munk Cardiac Center, Toronto General Hospital, University Health Network, Toronto, Ontario, Canada. Electronic address:

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October 2018

Reserve Stem Cells in Intestinal Homeostasis and Injury.

Gastroenterology 2018 11 15;155(5):1348-1361. Epub 2018 Aug 15.

Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; Center for Gastrointestinal Biology and Disease, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; Joint Departments of Biomedical Engineering, University of North Carolina at Chapel Hill/North Carolina State University, Chapel Hill, North Carolina; Department of Cell Biology and Physiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina. Electronic address:

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November 2018

What Surgeons Should Know About Non-Vitamin K Oral Anticoagulants: A Review.

JAMA Surg 2018 06;153(6):577-585

Department of Surgery, University of Toronto, Toronto, Ontario, Canada.

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June 2018

Resolving Bipolar Electrogram Voltages During Atrial Fibrillation Using Omnipolar Mapping.

Circ Arrhythm Electrophysiol 2017 Sep;10(9)

From the The Hull Family Cardiac Fibrillation Management Laboratory (S.K.H., K.M., A.P.-S., S.M., P.F.H.L., M.A.A., J.A., M.K., A.C.T.H., V.C., K.N.) and Toronto Health Economics and Technology Assessment Collaborative (N.M.), Toronto General Hospital, University Health Network, Ontario, Canada; St. Michael's Hospital, Toronto, Ontario, Canada (P.D.); and Abbott Laboratories, St. Paul, MN (D.C.D.).

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September 2017

Subclinical Atrial Fibrillation in Older Patients.

Circulation 2017 Oct 4;136(14):1276-1283. Epub 2017 Aug 4.

From Population Health Research Institute, Hamilton, ON, Canada (J.S.H., J.W., D.L., H.D., K.S., S.R.M., S.J.C.); McMaster University, Hamilton, ON, Canada (J.S.H., J.W., D.L., H.D., W.F.M., S.R.M., A.S.P., S.J.C.); Amphia Ziekenhuis, Breda, the Netherlands (M.A.); WCN-Dutch Network for Cardiovascular Research (M.A.); University of Toronto, ON, Canada (A.H., A.V.); University of Western Ontario, London, Canada (P.L.-S.); University of Ottawa Heart Institute, ON, Canada (D.H.B.); Nij Smellinghe Hospital, Drachten, the Netherlands (J.J.d.G.); Ikazia Ziekenhuis, Rotterdam, the Netherlands (M.F.); Institut Universitaire de Cardiologie et de Pneumologie de Québec, QC, Canada (F.P.); University of Alberta, Edmonton, Canada (W.B.); University of Calgary, AB, Canada (M.D.H.); St. Jude Medical, Sylmar, CA (M.C.); Slingeland Ziekenhuis, Doetinchem, the Netherlands (F.S.); and Cambridge Cardiac Care Centre, ON, Canada (A.S.P.).

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October 2017

Hierarchical analysis of electrograms to guide termination of persistent atrial fibrillation.

HeartRhythm Case Rep 2017 Jan 3;3(1):22-26. Epub 2017 Jan 3.

Division of Cardiology, Peter Munk Cardiac Center, University Health Network, Toronto, Ontario, Canada.

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January 2017

Cardioversion for Atrial Fibrillation Improves Quality of Life: It's Obvious (or Isn't It?).

Can J Cardiol 2017 04 25;33(4):425-427. Epub 2017 Jan 25.

Division of Cardiology, Toronto General Hospital, University Health Network, Toronto, Ontario, Canada.

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April 2017

Atypical centrioles are present in sperm.

Open Biol 2017 03;7(3)

Department of Biological Sciences, The University of Toledo, Toledo, OH 43607, USA

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March 2017

Effect of Aggressive Blood Pressure Control on the Recurrence of Atrial Fibrillation After Catheter Ablation: A Randomized, Open-Label Clinical Trial (SMAC-AF [Substrate Modification With Aggressive Blood Pressure Control]).

Circulation 2017 May 22;135(19):1788-1798. Epub 2017 Feb 22.

From Queen Elizabeth II Health Sciences Center and Dalhousie University, Halifax, Nova Scotia, Canada (R.P., J.L.S., C.G., M.G.); University of Ottawa Heart Institute, Ontario, Canada, (G.A.W.); Population Health Research Institute, Hamilton, Ontario, Canada (J.S.H.); Montreal Heart Institute, Quebec, Canada (J.-C.T., L.R.); Centre Hospitalier de L'Universite de Montreal, Quebec, Canada (I.G.); Centre Hospitalier Universitaire de Sherbrooke, Quebec, Canada (J.-F.R.); University of Western Ontario, London, Canada (L.G., A.S.L.T.); Institut Universitaire de Cardiologie et de Pneumologie de Quebec, Canada (I.N.); Royal Jubilee Hospital, Victoria, British Columbia, Canada (P.N.); Ottawa Heart Institute, Ontario, Canada (D.B.); University Health Network, Toronto, Ontario, Canada (A.H.); Libin Cardiovascular Institute of Alberta, Calgary, Canada (S.B.W.); and St. Michael's Hospital, Toronto, Ontario, Canada (I.M.).

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May 2017

Transition Zone Migration: A Mechanism for Cytoplasmic Ciliogenesis and Postaxonemal Centriole Elongation.

Cold Spring Harb Perspect Biol 2017 Aug 1;9(8). Epub 2017 Aug 1.

University of Toledo, Department of Biological Sciences, Toledo, Ohio 43606.

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August 2017

Centriole Remodeling during Spermiogenesis in Drosophila.

Curr Biol 2016 12 27;26(23):3183-3189. Epub 2016 Oct 27.

Department of Biological Sciences, University of Toledo, 3050 W. Towerview Boulevard, Toledo, OH 43606, USA. Electronic address:

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December 2016

Oral anticoagulation for stroke prevention amongst atrial fibrillation patients with valvular heart disease: an update.

Curr Opin Cardiol 2017 Mar;32(2):174-180

aPeter Munk Cardiac Centre, University Health Network bDepartment of Medicine, University of Toronto, Toronto cDivision of Cardiology, Southlake Regional Health Centre, Newmarket dLi Ka Shing Knowledge Institute, St Michael's Hospital eDepartment of Surgery, University of Toronto fDivision of Cardiac Surgery, St Michael's Hospital, Toronto, Ontario, Canada.

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March 2017

Hierarchical Schema for Identifying Focal Electrical Sources During Human Atrial Fibrillation: Implications for Catheter-Based Atrial Substrate Ablation.

JACC Clin Electrophysiol 2016 Nov 18;2(6):656-666. Epub 2016 May 18.

Peter Munk Cardiac Center, University Health Network, Toronto, Canada. Electronic address:

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November 2016

Real-world outcomes, complications, and cost of catheter-based ablation for atrial fibrillation: an update.

Curr Opin Cardiol 2017 01;32(1):47-52

aDepartment of Medicine, University of Toronto bPeter Munk Cardiac Centre, University Health Network cSunnybrook Health Sciences Centre, Toronto dUniversity of Ottawa Heart Institute, Ottawa eSouthlake Regional Health Centre, Newmarket, Ontario, Canada.

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January 2017

Cardiac Sarcoidosis.

J Am Coll Cardiol 2016 07;68(4):411-21

Division of Cardiology, University of Ottawa Heart Institute, Ottawa, Ontario, Canada.

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July 2016

Management of postoperative atrial fibrillation after cardiac surgery.

Curr Opin Cardiol 2016 Mar;31(2):183-90

aPeter Munk Cardiac Centre, University Health Network bDepartment of Medicine, University of Toronto cDepartment of Anesthesia, University of Toronto dLi Ka Shing Knowledge Institute, St Michael's Hospital eDepartment of Surgery, University of Toronto fDivision of Cardiac Surgery, St Michael's Hospital, Toronto gDivision of Cardiology, Southlake Regional Health Centre, Newmarket, Canada.

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March 2016

Cardiac Sarcoidosis.

Clin Chest Med 2015 Dec 11;36(4):657-68. Epub 2015 Sep 11.

Division of Cardiology, University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, Ontario K1Y 4 W7, Canada.

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December 2015

Decrement Evoked Potential Mapping: Basis of a Mechanistic Strategy for Ventricular Tachycardia Ablation.

Circ Arrhythm Electrophysiol 2015 Dec 19;8(6):1433-42. Epub 2015 Oct 19.

From the Toronto General Hospital, Toronto, Ontario, Canada (N.J., S.G., K.V., B.K., S.M., M.K., A.P.-S., J.R.J., F.K., M.D., A.C.T.H., E.D., K.N.); Laboratory IMB, University of Bordeaux, Talence, France (A.P., E.V.); and LIRYC Cardiac Electrophysiology and Heart Modelling Institute, University of Bordeaux Foundation, Pessac, France (A.P., E.V.).

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December 2015

Drosophila Hook-Related Protein (Girdin) Is Essential for Sensory Dendrite Formation.

Genetics 2015 Aug 9;200(4):1149-59. Epub 2015 Jun 9.

Department of Biological Sciences, University of Toledo, Toledo, Ohio 43606

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August 2015

A migrating ciliary gate compartmentalizes the site of axoneme assembly in Drosophila spermatids.

Curr Biol 2014 Nov 30;24(22):2622-31. Epub 2014 Oct 30.

Department of Biological Sciences, University of Toledo, 3050 W. Towerview Boulevard, Toledo, OH 43606, USA. Electronic address:

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November 2014

Long-term oral anticoagulation for patients after successful catheter ablation of atrial fibrillation: is it necessary?

Curr Opin Cardiol 2015 Jan;30(1):1-7

aPeterMunk Cardiac Center, University Health Network, Toronto, Canada bDepartment of Electrophysiology, Heart Center, University of Leipzig, Leipzig, Germany cUniversity of Ottawa Heart Institute, Ottawa dSouthlake Regional Health Centre, Newmarket, Ontario, Canada.

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January 2015

Health-related quality of life in patients with atrial fibrillation treated with rhythm control versus rate control: insights from a prospective international registry (Registry on Cardiac Rhythm Disorders Assessing the Control of Atrial Fibrillation: RECORD-AF).

Circ Cardiovasc Qual Outcomes 2014 Nov 11;7(6):896-904. Epub 2014 Nov 11.

From the University Health Network (A.C.T.H.) and St. Michael's Hospital (P.D.), Department of Medicine, University of Toronto, Toronto, Ontario, Canada; Department of Cardiovascular Medicine, Universitätsklinikum Münster, Münster, Germany (G.B.); St. George's University of London, London, United Kingdom (A.J.C.); Maastricht University Medical Centre, Maastricht, The Netherlands (H.J.C.); Harvard School of Public Health, Boston, MA (G.M.F.); The Lankenau Institute for Medical Research, Wynnewood, PA (P.R.K.); Hôpital Européen Georges Pompidou and Université René Descartes, Paris, France (J.-Y.L.H.); Sanofi, Paris, France (L.N.-B.); St. Vincent Medical Group, Indianapolis, IN (E.N.P.); Center for Cardiac Arrhythmias of Genetic Origin-IRCCS Istituto Auxologico Italiano, Milan, Italy (P.J.S.); Department of Health, Science and Technology, Aalborg University, Aalborg, Denmark (C.T.-P.); and Christiana Care Health System, Newark, Delaware (W.S.W.).

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November 2014

Atrial fibrillation anticoagulation care in a large urban family medicine practice.

Can Fam Physician 2014 Mar;60(3):e173-9

Taddle Creek Family Health Team, 790 Bay St, Suite 522, Box 58/59, Toronto, ON M5G 1N8.

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March 2014

Bipolar ablation for deep intra-myocardial circuits: human ex vivo development and in vivo experience.

Europace 2014 Nov 19;16(11):1684-8. Epub 2014 Feb 19.

Division of Cardiology, Toronto General Hospital, Toronto, ON, Canada The Hull Family Cardiac Fibrillation Management Laboratory, Toronto General Hospital, Toronto, Canada

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November 2014

The evolving role of stroke prediction schemes for patients with atrial fibrillation.

Can J Cardiol 2013 Oct 7;29(10):1173-80. Epub 2013 Aug 7.

Department of Medicine, McMaster University, Hamilton, Ontario, Canada.

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October 2013

Health-related quality of life questionnaires: an important method to evaluate patient outcomes in atrial fibrillation ablation.

J Interv Card Electrophysiol 2013 Mar 10;36(2):177-84; discussion 184. Epub 2012 Oct 10.

Division of Cardiology, Peter Munk Cardiac Center, Toronto General Hospital, University of Toronto, 585 University Avenue, 4N-489, Toronto, ON, Canada.

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March 2013

Anticoagulation bridging around device surgery: compliance with guidelines.

Pacing Clin Electrophysiol 2012 Dec 14;35(12):1480-6. Epub 2012 Sep 14.

Division of Cardiology, Department of Medicine, University of Ottawa Heart Institute, Ottawa, Canada.

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December 2012

Paroxysmal tachycardia with pauses to ponder.

J Cardiovasc Electrophysiol 2013 Jan 19;24(1):105-7. Epub 2012 Jul 19.

Division of Cardiology, University Health Network, Toronto, Canada.

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January 2013

Tubulin nucleotide status controls Sas-4-dependent pericentriolar material recruitment.

Nat Cell Biol 2012 Aug 24;14(8):865-73. Epub 2012 Jun 24.

Department of Cell Biology, Harvard Medical School, Boston, Massachusetts 02115, USA.

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August 2012

Identification of Wnt/β-catenin modulated genes in the developing retina.

Mol Vis 2012 16;18:645-56. Epub 2012 Mar 16.

Vision Program, Ottawa Hospital Research Institute, Ottawa, Ontario, Canada.

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July 2012

The role of device diagnostic algorithms in the assessment and management of patients with systolic heart failure: a review.

Cardiol Res Pract 2011 Apr 7;2011:908921. Epub 2011 Apr 7.

Division of Cardiology, Royal Jubilee Hospital, 1952 Bay Street, Victoria, Canada V8R 1J8.

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April 2011

In vivo assessment of myocardial glucose uptake by positron emission tomography in adults with the PRKAG2 cardiac syndrome.

Circ Cardiovasc Imaging 2009 Nov 17;2(6):485-91. Epub 2009 Sep 17.

Division of Cardiology, University of Ottawa Heart Institute, and the Department of Cellular and Molecular Medicine at the University of Ottawa, Ottawa, Ontario K1Y 4W7, Canada.

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November 2009

Right and left ventricular uptake with Rb-82 PET myocardial perfusion imaging: markers of left main or 3 vessel disease.

J Nucl Cardiol 2010 Jan-Feb;17(1):52-60. Epub 2009 Oct 14.

Department of Medicine (Cardiology), University of Ottawa Heart Institute, 40 Ruskin Street, Ottawa, ON, K1Y 4W7, Canada.

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April 2010