Peter Leong-Sit

Summary

Affiliation: University of Western Ontario
Country: Canada

Publications

  1. doi request reprint Inducibility of atrial fibrillation and flutter following pulmonary vein ablation
    Peter Leong-Sit
    Division of Cardiology, Department of Medicine, Western University, London, Ontario, Canada
    J Cardiovasc Electrophysiol 24:617-23. 2013
  2. doi request reprint Efficacy and risk of atrial fibrillation ablation before 45 years of age
    Peter Leong-Sit
    Department of Medicine, London Health Science Hospital, London, Ontario, Canada
    Circ Arrhythm Electrophysiol 3:452-7. 2010
  3. doi request reprint End-recovery QTc: a useful metric for assessing genetic variants of unknown significance in long-QT syndrome
    Manoj N Obeyesekere
    Division of Cardiology, University of Western Ontario, London, Ontario, Canada
    J Cardiovasc Electrophysiol 23:637-42. 2012
  4. doi request reprint Influence of pacing site characteristics on response to cardiac resynchronization therapy
    Jorge A Wong
    Division of Cardiology, Department of Medicine, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
    Circ Cardiovasc Imaging 6:542-50. 2013
  5. doi request reprint Tachycardia induction with ventricular extrastimuli differentiates atypical atrioventricular nodal reentrant tachycardia from orthodromic reciprocating tachycardia
    Manoj Obeyesekere
    Division of Cardiology, University of Western Ontario, London, Ontario, Canada
    Heart Rhythm 9:335-41. 2012
  6. doi request reprint Further evidence for the "muscle bundle" hypothesis of cavotricuspid isthmus conduction: physiological proof, with clinical implications for ablation
    Alexis Mechulan
    University of Western Ontario, Division of Cardiology, London, Ontario, Canada
    J Cardiovasc Electrophysiol 24:47-52. 2013
  7. doi request reprint Prediction of arrhythmic events in ischemic and dilated cardiomyopathy patients referred for implantable cardiac defibrillator: evaluation of multiple scar quantification measures for late gadolinium enhancement magnetic resonance imaging
    Peng Gao
    Division of Cardiology, Department of Medicine, University of Western Ontario, London, Ontario, Canada
    Circ Cardiovasc Imaging 5:448-56. 2012
  8. doi request reprint Voltage-guided ablation technique for cavotricuspid isthmus-dependent atrial flutter: refining the continuous line
    Peter K Jacobsen
    Arrhythmia Service, University of Western Ontario, London, Ontario, Canada
    J Cardiovasc Electrophysiol 23:672-6. 2012
  9. doi request reprint Does adenosine response predict clinical recurrence of atrial fibrillation after pulmonary vein isolation?
    Lorne J Gula
    Division of Cardiology, Department of Medicine, University of Western Ontario, London, Ontario, Canada
    J Cardiovasc Electrophysiol 22:982-6. 2011
  10. doi request reprint Risk of arrhythmia and sudden death in patients with asymptomatic preexcitation: a meta-analysis
    Manoj N Obeyesekere
    Division of Cardiology, University of Western Ontario, London, Ontario, Canada
    Circulation 125:2308-15. 2012

Collaborators

Detail Information

Publications23

  1. doi request reprint Inducibility of atrial fibrillation and flutter following pulmonary vein ablation
    Peter Leong-Sit
    Division of Cardiology, Department of Medicine, Western University, London, Ontario, Canada
    J Cardiovasc Electrophysiol 24:617-23. 2013
    ..The type and mechanism of induced atrial arrhythmias, their relationship to the underlying atrial substrate, and prognostic significance of induced organized atrial arrhythmias are unknown...
  2. doi request reprint Efficacy and risk of atrial fibrillation ablation before 45 years of age
    Peter Leong-Sit
    Department of Medicine, London Health Science Hospital, London, Ontario, Canada
    Circ Arrhythm Electrophysiol 3:452-7. 2010
    ..This study seeks to characterize the effectiveness and risk of AF ablation in the young...
  3. doi request reprint End-recovery QTc: a useful metric for assessing genetic variants of unknown significance in long-QT syndrome
    Manoj N Obeyesekere
    Division of Cardiology, University of Western Ontario, London, Ontario, Canada
    J Cardiovasc Electrophysiol 23:637-42. 2012
    ..We sought to provide clinical data that may assist in classifying the presented VUS as disease causing/benign and to determine whether resting and/or end-recovery QT parameters can evaluate the significance of VUS...
  4. doi request reprint Influence of pacing site characteristics on response to cardiac resynchronization therapy
    Jorge A Wong
    Division of Cardiology, Department of Medicine, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
    Circ Cardiovasc Imaging 6:542-50. 2013
    ..Influences on CRT response were assessed by serial echocardiography...
  5. doi request reprint Tachycardia induction with ventricular extrastimuli differentiates atypical atrioventricular nodal reentrant tachycardia from orthodromic reciprocating tachycardia
    Manoj Obeyesekere
    Division of Cardiology, University of Western Ontario, London, Ontario, Canada
    Heart Rhythm 9:335-41. 2012
    ..When sustained, the postpacing interval minus tachycardia cycle length following entrainment (PPI(Entrainment) - TCL) and stimulation to atrial interval minus ventriculoatrial interval (Stim-A(Entrainment) - VA) are utilized...
  6. doi request reprint Further evidence for the "muscle bundle" hypothesis of cavotricuspid isthmus conduction: physiological proof, with clinical implications for ablation
    Alexis Mechulan
    University of Western Ontario, Division of Cardiology, London, Ontario, Canada
    J Cardiovasc Electrophysiol 24:47-52. 2013
    ..In contrast, conduction over a continuous sheet of muscle would require a single continuous ablation line...
  7. doi request reprint Prediction of arrhythmic events in ischemic and dilated cardiomyopathy patients referred for implantable cardiac defibrillator: evaluation of multiple scar quantification measures for late gadolinium enhancement magnetic resonance imaging
    Peng Gao
    Division of Cardiology, Department of Medicine, University of Western Ontario, London, Ontario, Canada
    Circ Cardiovasc Imaging 5:448-56. 2012
    ..This study evaluates the predictive use of multiple scar quantification measures in ICM and DCM patients being referred for ICD...
  8. doi request reprint Voltage-guided ablation technique for cavotricuspid isthmus-dependent atrial flutter: refining the continuous line
    Peter K Jacobsen
    Arrhythmia Service, University of Western Ontario, London, Ontario, Canada
    J Cardiovasc Electrophysiol 23:672-6. 2012
    ..Understanding the bundle structure of conduction over the isthmus facilitates more flexible approaches to its ablation and targeting maximum voltages in our hands has resulted in reduction of ablation time and fewer recurrences...
  9. doi request reprint Does adenosine response predict clinical recurrence of atrial fibrillation after pulmonary vein isolation?
    Lorne J Gula
    Division of Cardiology, Department of Medicine, University of Western Ontario, London, Ontario, Canada
    J Cardiovasc Electrophysiol 22:982-6. 2011
    ..Adenosine can be associated with acute recovery of conduction to the pulmonary veins immediately after isolation. However, it is not known whether this is prognostic for permanent recovery of conduction or recurrence of AF...
  10. doi request reprint Risk of arrhythmia and sudden death in patients with asymptomatic preexcitation: a meta-analysis
    Manoj N Obeyesekere
    Division of Cardiology, University of Western Ontario, London, Ontario, Canada
    Circulation 125:2308-15. 2012
    ..The purpose of this meta-analysis was to define the incidence of SCD and supraventricular tachycardia in patients with asymptomatic Wolff-Parkinson-White ECG pattern...
  11. doi request reprint An alternative method of assessing bidirectional block for atrial flutter
    Matthew T Bennett
    Division of Cardiology, University of Western Ontario, London, Ontario, Canada
    J Cardiovasc Electrophysiol 22:431-5. 2011
    ..Previous investigators have shown that right ventricular (RV) pacing can replace proximal coronary sinus (pCS) pacing in assessing clockwise CTI conduction block...
  12. ncbi request reprint Entrainment for distinguishing atypical atrioventricular node reentrant tachycardia from atrioventricular reentrant tachycardia over septal accessory pathways with long-RP [corrected] tachycardia
    Matthew T Bennett
    Division of Cardiology, University of British Columbia, Vancouver, British Columbia, Canada
    Circ Arrhythm Electrophysiol 4:506-9. 2011
    ..Whether entrainment can differentiate between AV node reentrant tachycardia and AV reentrant tachycardia in patients with long-RP tachycardia has not been systematically validated...
  13. doi request reprint Treatment of asymptomatic catecholaminergic polymorphic ventricular tachycardia
    Manoj N Obeyesekere
    The University of Western Ontario, Division of Cardiology, London, Ontario, Canada
    Future Cardiol 8:439-50. 2012
    ..In the absence of rigorous trials, prophylactic treatment of the asymptomatic catecholaminergic polymorphic ventricular tachycardia patient appears to reduce morbidity and mortality...
  14. doi request reprint Syncope
    Paul Angaran
    Division of Cardiology, University of Western Ontario, London, 339 Windermere Road, London, ON N6A 5A5, Canada
    Neurol Clin 29:903-25. 2011
    ..A careful initial clinical assessment with directed investigations is crucial in arriving at a presumptive diagnosis. Prolonged cardiac monitoring technologies have improved diagnostic accuracy in the more difficult cases...
  15. doi request reprint Cryoablation versus RF ablation for AVNRT: A meta-analysis and systematic review
    Mikael Hanninen
    Arrhythmia Service, London Health Science Center, London, Ontario, Canada
    J Cardiovasc Electrophysiol 24:1354-60. 2013
    ..High success rates have been accompanied with a small risk of atrioventricular (AV) block. Cryoablation has been used as an alternative to radiofrequency (RF) ablation, but studies have been underpowered in comparing the 2 techniques...
  16. doi request reprint Early patient experience with an electro-anatomic navigation system dedicated to device lead implantation: feasibility and safety
    Jaimie Manlucu
    Division of Cardiology, University of Western Ontario, and London Health Science Centre University Hospital, London, Ontario, Canada
    Pacing Clin Electrophysiol 35:385-91. 2012
    ..We studied the safety and feasibility of using a novel electromagnetic navigation system specifically designed to guide pacemaker and implantable cardioverter defibrillator lead placement...
  17. ncbi request reprint Determination of inadvertent atrial capture during para-Hisian pacing
    Manoj Obeyesekere
    Division of Cardiology, University of Western Ontario, London, Ontario, Canada
    Circ Arrhythm Electrophysiol 4:510-4. 2011
    ..We sought to establish whether the stimulation-to-atrial electrogram interval at the proximal coronary sinus (stim-PCS) or high right atrium (stim-HRA) could signal inadvertent atrial capture...
  18. doi request reprint Arrhythmia characterization and long-term outcomes in catecholaminergic polymorphic ventricular tachycardia
    Raymond W Sy
    University of Western Ontario, Ontario, Canada
    Heart Rhythm 8:864-71. 2011
    ..Catecholaminergic polymorphic ventricular tachycardia (CPVT) is characterized by adrenergically induced ventricular tachycardia (VT) associated with syncope and sudden death...
  19. doi request reprint Troubleshooting difficult transseptal catheterization
    Raymond W Sy
    Arrhythmia Service, University of Western Ontario, London, Ontario, Canada
    J Cardiovasc Electrophysiol 22:723-7. 2011
    ..Integration of these tools into an organized approach for troubleshooting the difficult transseptal puncture is likely to improve procedural success and reduce the risk of serious complications such as cardiac tamponade...
  20. doi request reprint Sentinel symptoms in patients with unexplained cardiac arrest: from the cardiac arrest survivors with preserved ejection fraction registry (CASPER)
    Andrew D Krahn
    University of Western Ontario, London, Ontario, Canada Hamilton Health Sciences Center, Hamilton, Ontario, Canada
    J Cardiovasc Electrophysiol 23:60-6. 2012
    ..We explored the symptom history of patients with apparently unexplained cardiac arrest to determine the frequency of sentinel symptoms...
  21. doi request reprint Derivation and validation of a simple exercise-based algorithm for prediction of genetic testing in relatives of LQTS probands
    Raymond W Sy
    University of Western Ontario, London, Canada
    Circulation 124:2187-94. 2011
    ..The accuracy of a simple algorithm that incorporates resting and exercise ECG parameters for screening LQTS in asymptomatic relatives was evaluated, with genetic testing as the gold standard...
  22. doi request reprint Utility of cardiovascular magnetic resonance in identifying substrate for malignant ventricular arrhythmias
    James A White
    Division of Cardiology, Department of Medicine, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
    Circ Cardiovasc Imaging 5:12-20. 2012
    ..We sought to evaluate the diagnostic yield of CMR-based imaging versus non-CMR-based imaging in patients with resuscitated SCD or SMVT...
  23. doi request reprint Complete antral encirclement is not required for pulmonary vein isolation
    Raymond W Sy
    Arrhythmia Service, University of Western Ontario, London, Ontario, Canada
    Heart Rhythm 8:16-22. 2011
    ..Complete circumferential antral ablation may not be necessary for successful pulmonary vein (PV) isolation in patients with paroxysmal atrial fibrillation (AF)...