Peter Kistler

Catheter Ablation Versus Medication in Atrial Fibrillation and Systolic Dysfunction Late Outcomes of CAMERA-MRI Study

Hariharan Sugumar, Sandeep Prabhu, Costello Ben, David Chieng, Sonia Azzopardi, Aleksandr Voskoboinik, Ramanathan Parameswaran, Geoffrey R Wong, Robert Anderson, Ahmed M Al-Kaisey, Liang-Han Ling, Emily Kotschet, Andrew J Taylor, Jonathan M Kalman, Peter M Kistler

Journal article  |  2020  |  JACC Clinical Electrophysiology

OBJECTIVES: This study sought to determine the long-term outcomes of restoring sinus rhythm with catheter ablation (CA). BACKGROUN..

Simultaneous epicardial-endocardial mapping of the sinus node in humans with structural heart disease: Impact of overdrive suppression on sinoatrial exits

Ramanathan Parameswaran, Geoffrey Lee, Gwilym M Morris, Alistair Royse, John Goldblatt, Marco Larobina, Troy Watts, Chrishan J Nalliah, Geoffrey Wong, Ahmed M Al-Kaisey, Robert D Anderson, Aleksandr Voskoboinik, Hariharan Sugumar, David Chieng, Prashanthan Sanders, Peter M Kistler, Jonathan M Kalman

Journal article  |  2020  |  Heart Rhythm

BACKGROUND: The 3-dimensional (3D) nature of sinoatrial node (SAN) function has not been characterized in the intact human heart. ..

Interpretation of clinical studies in electrophysiology: statistical considerations for the clinician.

David Chieng, Sue Finch, Hariharan Sugumar, Andrew J Taylor, Chris Reid, Jonathan M Kalman, Peter M Kistler

Journal article  |  2020  |  EP Europace

Atrial fibrillation (AF) outcome studies play an essential role in the development of clinical evidence to improve the management ..

Extensive right atrial free wall low-voltage zone as the substrate for atrial fibrillation: successful ablation by scar homogenization.

Ahmed M Al-Kaisey, Ramanathan Parameswaran, Stephen A Joseph, Peter M Kistler, Joseph B Morton, Jonathan M Kalman

Journal article  |  2020  |  EP Europace

AIMS: Prior studies have described a variety of mechanisms for atrial fibrillation (AF) originating in the right atrium (RA). In t..

Genetic Susceptibility to Atrial Fibrillation Is Associated With Atrial Electrical Remodeling and Adverse Post-Ablation Outcome

Geoffrey R Wong, Chrishan J Nalliah, Geoffrey Lee, Aleksandr Voskoboinik, Sandeep Prabhu, Ramanathan Parameswaran, Hariharan Sugumar, Robert D Anderson, Liang-Han Ling, Alex McLellan, Renee Johnson, Prashanthan Sanders, Peter M Kistler, Diane Fatkin, Jonathan M Kalman

Journal article  |  2020  |  JACC Clinical Electrophysiology

OBJECTIVES: This study sought to assess the atrial electrophysiological properties and post-ablation outcomes in patients with atr..

Impact of catheter ablation on HFpEF in people with comorbid atrial fibrillation and HFpEF using invasive haemodynamic testing

H Sugumar, S Nanayakkara, D Vizi, D Chieng, A Leet, J Mariani, A Taylor, J Kalman, P Kistler, L Ling

Journal article  |  2020  |  European Heart Journal

Abstract Background The impact of catheter ablation (CA) for atrial fibrillati..

Modified Precordial Lead R-Wave Deflection Interval Predicts Left- and Right-Sided Idiopathic Outflow Tract Ventricular Arrhythmias

Robert D Anderson, Saurabh Kumar, Simon Binny, Mukund Prabhu, Ahmed Al-Kaisey, Ramanathan Parameswaran, Hariharan Sugumar, David Chieng, Joshua Hawson, Timothy Campbell, Subodh Joshi, Elaine Lui, Paul B Sparks, Stephen A Joseph, Joseph B Morton, Alex McLellan, Jonathan Lipton, Bhupesh Pathik, Peter M Kistler, Jonathan Kalman, et al.

Journal article  |  2020  |  JACC Clinical Electrophysiology

OBJECTIVES: This study evaluated if modifying electrocardiographic (ECG) precordial leads to a higher intercostal position improve..

Measuring atrial stasis during sinus rhythm in patients with paroxysmal atrial fibrillation using 4 Dimensional flow imaging. 4D flow imaging of atrial stasis

Benedict T Costello, Aleksandr Voskoboinik, Abdul M Qadri, Murray Rudman, Mark C Thompson, Ferris Touma, Andre La Gerche, James L Hare, Stavroula Papapostolou, Jonathan M Kalman, Peter M Kistler, Andrew J Taylor

Journal article  |  2020  |  International Journal of Cardiology

BACKGROUND: Paroxysmal atrial fibrillation (PAF) is associated with cardioembolic risk, however events may occur during sinus rhyt..

Epicardial Adipose Tissue Accumulation Confers Atrial Conduction Abnormality

Chrishan J Nalliah, James R Bell, Antonia JA Raaijmakers, Helen M Waddell, Simon P Wells, Gabriel B Bernasochi, Magdalene K Montgomery, Simon Binny, Troy Watts, Subodh B Joshi, Elaine Lui, Choon Boon Sim, Marco Larobina, Michael O'Keefe, John Goldblatt, Alistair Royse, Geoffrey Lee, Enzo R Porrello, Matthew J Watt, Peter M Kistler, et al.

Journal article  |  2020  |  Journal of the American College of Cardiology

BACKGROUND: Clinical studies have reported that epicardial adipose tissue (EpAT) accumulation associates with the progression of a..

Endocardial-Epicardial Phase Mapping of Prolonged Persistent Atrial Fibrillation Recordings High Prevalence of Dissociated Activation Patterns

Ramanathan Parameswaran, Jonathan M Kalman, Alistair Royse, John Goldblatt, Marco Larobina, Troy Watts, Tomos E Walters, Chrishan J Nalliah, Geoffrey Wong, Ahmed Al-Kaisey, Robert Douglas Anderson, Aleksandr Voskoboinik, Hariharan Sugumar, David Chieng, Prashanthan Sanders, Peter M Kistler, Edward P Gerstenfeld, Geoffrey Lee

Journal article  |  2020  |  Circulation Arrhythmia and Electrophysiology

BACKGROUND: Endocardial-epicardial dissociation and focal breakthroughs in humans with atrial fibrillation (AF) have been recently..