Skip to content

Home Search Authors Pakistan News Saved

SciRah

SciRah does not host or store research papers. Results come live from free, official scholarly APIs, and every paper links back to its original source.

Data sources

OpenAlex
Semantic Scholar
Crossref
CORE
arXiv
PubMed

Privacy policy Terms of service

S. Spence · SciRah

Researcher profile · Semantic Scholar

S. Spence

Share profile

S. Spence — researcher profile on SciRah

h-index: 29
Works: 67
Citations: 4,055

Most-cited papers

Electrical Remodeling of the Atria in Congestive Heart Failure: Electrophysiological and Electroanatomic Mapping in Humans
P. Sanders, J. Morton, N. Davidson, S. Spence +3 more
2003Circulation660 citations
Semantic Scholar
Electrophysiologic and electroanatomic changes in the human atrium associated with age.
P. Kistler, P. Sanders, S. Fynn, I. Stevenson +4 more
2004Journal of the American College of Cardiology460 citations Open access
Semantic Scholar
Electrophysiological and Electroanatomic Characterization of the Atria in Sinus Node Disease: Evidence of Diffuse Atrial Remodeling
P. Sanders, J. Morton, P. Kistler, S. Spence +5 more
2003Circulation293 citations
Semantic Scholar
Remodeling of Sinus Node Function in Patients With Congestive Heart Failure: Reduction in Sinus Node Reserve
P. Sanders, P. Kistler, J. Morton, S. Spence +1 more
2004Circulation221 citations
Semantic Scholar
Effect of Chronic Right Atrial Stretch on Atrial Electrical Remodeling in Patients With an Atrial Septal Defect
J. Morton, P. Sanders, J. Vohra, P. Sparks +4 more
2003Circulation213 citations Open access
Semantic Scholar
Epicardial wave mapping in human long-lasting persistent atrial fibrillation: transient rotational circuits, complex wavefronts, and disorganized activity.
Geoffrey Lee, Saurabh Kumar, A. Teh, A. Madry +10 more
2014European Heart Journal189 citations
Semantic Scholar
Electroanatomic Remodeling of the Left Atrium in Paroxysmal and Persistent Atrial Fibrillation Patients Without Structural Heart Disease
A. Teh, P. M. Kistler, Geoffrey Lee, C. Medi +5 more
2012Cardiovascular Electrophysiology186 citations
Semantic Scholar
Atrial electrical and structural abnormalities in an ovine model of chronic blood pressure elevation after prenatal corticosteroid exposure: implications for development of atrial fibrillation.
P. Kistler, P. Sanders, M. Dodic, S. Spence +5 more
2006European Heart Journal185 citations Open access
Semantic Scholar
Atrial Electrical and Structural Changes Associated with Longstanding Hypertension in Humans: Implications for the Substrate for Atrial Fibrillation
C. Medi, J. Kalman, S. Spence, A. Teh +4 more
2011Cardiovascular Electrophysiology159 citations
Semantic Scholar
Long-term effects of catheter ablation for lone atrial fibrillation: progressive atrial electroanatomic substrate remodeling despite successful ablation.
A. Teh, P. Kistler, Geoffrey Lee, C. Medi +5 more
2012Heart Rhythm144 citations
Semantic Scholar
Atrial electrophysiology is altered by acute hypercapnia but not hypoxemia: implications for promotion of atrial fibrillation in pulmonary disease and sleep apnea.
I. Stevenson, K. Roberts-Thomson, P. Kistler, G. Edwards +3 more
2010Heart Rhythm139 citations
Semantic Scholar
Effect of respiration on catheter-tissue contact force during ablation of atrial arrhythmias.
Saurabh Kumar, J. Morton, K. Halloran, S. Spence +4 more
2012Heart Rhythm110 citations
Semantic Scholar
The role of chronic atrial stretch and atrial fibrillation on posterior left atrial wall conduction.
K. Roberts-Thomson, I. Stevenson, P. Kistler, H. Haqqani +4 more
2009Heart Rhythm95 citations
Semantic Scholar
Scar-related right atrial macroreentrant tachycardia in patients without prior atrial surgery: electroanatomic characterization and ablation outcome.
I. Stevenson, P. Kistler, S. Spence, J. Vohra +3 more
2005Heart Rhythm92 citations
Semantic Scholar
Atrial Electrical and Structural Remodeling Associated with Longstanding Pulmonary Hypertension and Right Ventricular Hypertrophy in Humans
C. Medi, Jonathan M. Kalman, L. Ling, A. Teh +5 more
2012Cardiovascular Electrophysiology90 citations
Semantic Scholar
Prospective Characterization of Catheter–Tissue Contact Force at Different Anatomic Sites During Antral Pulmonary Vein Isolation
Saurabh Kumar, J. Morton, Justin M. S. Lee, K. Halloran +5 more
2012Circulation: Arrhythmia and Electrophysiology78 citations Open access
Semantic Scholar
Predictors of Acute and Long‐Term Success of Slow Pathway Ablation for Atrioventricular Nodal Reentrant Tachycardia: A Single Center Series of 1,419 Consecutive Patients
A. Feldman, A. Voskoboinik, Saurabh Kumar, S. Spence +5 more
2011Pacing and clinical electrophysiology : PACE77 citations
Semantic Scholar
Acute Atrial Stretch Results in Conduction Slowing and Complex Signals at the Pulmonary Vein to Left Atrial Junction: Insights Into the Mechanism of Pulmonary Vein Arrhythmogenesis
Tomos E. Walters, Geoffrey Lee, S. Spence, M. Larobina +7 more
2014Circulation: Arrhythmia and Electrophysiology67 citations
Semantic Scholar
Catheter‐Tissue Contact Force Determines Atrial Electrogram Characteristics Before and Lesion Efficacy After Antral Pulmonary Vein Isolation in Humans
Saurabh Kumar, M. Chan, Justin M. S. Lee, M. Wong +6 more
2014Cardiovascular Electrophysiology58 citations Open access
Semantic Scholar
Predictive value of impedance changes for real-time contact force measurements during catheter ablation of atrial arrhythmias in humans.
Saurabh Kumar, H. Haqqani, M. Chan, Justin M. S. Lee +11 more
2013Heart Rhythm58 citations
Semantic Scholar
Reversal of Atrial Mechanical Stunning After Cardioversion of Atrial Arrhythmias: Implications for the Mechanisms of Tachycardia-Mediated Atrial Cardiomyopathy
P. Sanders, J. Morton, J. Morgan, N. Davidson +4 more
2002Circulation42 citations Open access
Semantic Scholar
The relationship between complex fractionated electrograms and atrial low-voltage zones during atrial fibrillation and paced rhythm.
A. Teh, P. Kistler, Geoffrey Lee, C. Medi +6 more
2011Europace41 citations Open access
Semantic Scholar
Relationship among complex signals, short cycle length activity, and dominant frequency in patients with long-lasting persistent AF: a high-density epicardial mapping study in humans.
Geoffrey Lee, K. Roberts-Thomson, A. Madry, S. Spence +7 more
2011Heart Rhythm41 citations
Semantic Scholar
Characterization of Catheter–Tissue Contact Force During Epicardial Radiofrequency Ablation in an Ovine Model
M. Wong, G. Edwards, S. Spence, J. Kalman +3 more
2013Circulation: Arrhythmia and Electrophysiology39 citations
Semantic Scholar
Temporal Stability of Rotors and Atrial Activation Patterns in Persistent Human Atrial Fibrillation: A High-Density Epicardial Mapping Study of Prolonged Recordings.
Tomos E. Walters, Geoffrey Lee, G. Morris, S. Spence +10 more
2015JACC Clinical Electrophysiology36 citations Open access
Semantic Scholar
Electroanatomic Properties of the Pulmonary Veins: Slowed Conduction, Low Voltage and Altered Refractoriness in AF Patients
A. Teh, P. M. Kistler, Geoffrey Lee, C. Medi +5 more
2011Cardiovascular Electrophysiology36 citations
Semantic Scholar
Esophageal Hematoma After Atrial Fibrillation Ablation: Incidence, Clinical Features, and Sequelae of Esophageal Injury of a Different Sort
Saurabh Kumar, L. Ling, K. Halloran, J. Morton +5 more
2012Circulation: Arrhythmia and Electrophysiology35 citations Open access
Semantic Scholar
Atrial Fibrillation Inducibility in the Absence of Structural Heart Disease or Clinical Atrial Fibrillation: Critical Dependence on Induction Protocol, Inducibility Definition, and Number of Inductions
Saurabh Kumar, J. Kalman, F. Sutherland, S. Spence +2 more
2012Circulation: Arrhythmia and Electrophysiology33 citations
Semantic Scholar
High-density epicardial mapping of the pulmonary vein-left atrial junction in humans: insights into mechanisms of pulmonary vein arrhythmogenesis.
Geoffrey Lee, S. Spence, A. Teh, J. Goldblatt +7 more
2012Heart Rhythm29 citations
Semantic Scholar
Absence of acute effects of angiotensin II on atrial electrophysiology in humans.
P. Kistler, N. Davidson, P. Sanders, S. Fynn +5 more
2005Journal of the American College of Cardiology25 citations Open access
Semantic Scholar
Twenty‐eight day Holter monitoring is poorly tolerated and insensitive for paroxysmal atrial fibrillation detection in cryptogenic stroke
H. Tu, S. Spence, Jonathan M. Kalman, Stephen M. Davis
2014Internal medicine journal (Print)22 citations
Semantic Scholar
P wave morphology in focal atrial tachycardia
P. Kistler, H. Haqqani, S. Singarayar, K. Roberts-Thomson +5 more
200522 citations
Semantic Scholar
Absence of Gender‐Based Differences in the Atrial and Pulmonary Vein Substrate: A Detailed Electroanatomic Mapping Study
Tomos E. Walters, A. Teh, S. Spence, J. Morton +2 more
2014Cardiovascular Electrophysiology21 citations
Semantic Scholar
The effect of electrode density on the interpretation of atrial activation patterns in epicardial mapping of human persistent atrial fibrillation.
Tomos E. Walters, Geoffrey Lee, S. Spence, J. Kalman
2016Heart Rhythm19 citations
Semantic Scholar
Electroanatomic remodelling of the pulmonary veins associated with age.
A. Teh, J. Kalman, Geoffrey Lee, C. Medi +6 more
2012Europace18 citations
Semantic Scholar
Relationship between the electrocardiographic atrial fibrillation cycle length and left atrial remodeling: a detailed electroanatomic mapping study.
Tomos E. Walters, A. Teh, S. Spence, P. Kistler +2 more
2014Heart Rhythm13 citations
Semantic Scholar
Temporal stability of rotors and atrial activation patterns in persistent human atrial fibrillation: A high density epicardial mapping study
Tomos E. Walters, Geoffrey Lee, S. Spence, M. Larobina +3 more
20152 citations
Semantic Scholar
WITHDRAWAL: Temporal Stability of Rotors and Atrial Activation Patterns in Persistent Human Atrial Fibrillation: A High-Density Epicardial Mapping Study of Prolonged Recordings
Tomos E. Walters, Geoffrey Lee, G. Morris, S. Spence +10 more
20151 citations Open access
Semantic Scholar
Effect of Respiration on Catheter–Tissue Contact Force During Pulmonary Vein Isolation for Atrial Fibrillation
Saurabh Kumar, J. Morton, Justin M. S. Lee, N. Kelland +5 more
20121 citations Open access
Semantic Scholar
Characterisation of Atrial Activation Patterns in Human Persistent Atrial Fibrillation: Multiple Wavelets or Focal Drivers?
Geoffrey Lee, A. Teh, Saurabh Kumar, A. Madry +5 more
20121 citations
Semantic Scholar
High Density Epicardial Mapping of the Pulmonary Vein–LA Junction in Humans: Insights into Mechanisms of Pulmonary Vein Arrhythmogenesis
G. Lee, S. Spence, Robin P. Brown, V. Atkinson +3 more
20111 citations Open access
Semantic Scholar
Atrial electrical remodelling in an ovine model of chronic hypertension
P. Kistler, P. Sanders, M. Dodic, S. Spence +4 more
20051 citations
Semantic Scholar
Temporal stability of the atrial fibrillation cycle length in persistent human atrial fibrillation and its relationship to drivers: a high density epicardial mapping study
Tomos E. Walters, Geoffrey Lee, S. Spence, M. Larobina +3 more
20150 citations Open access
Semantic Scholar
Does Electrogram Morphology and Lesion Size Predict Catheter-tissue Contact Force During Epicardial RF Ablation in an Ovine Model
M. Wong, G. Edwards, J. Kalman, Saurabh Kumar +3 more
20130 citations Open access
Semantic Scholar
A Study of the Electrophysiology of the PV–LA Junction During Acute Stretch in Humans: Conduction Slowing and Complex Fractionated Electrograms
Tomos E. Walters, S. Spence, M. Larobina, V. Atkinson +1 more
20130 citations
Semantic Scholar
Impact of Catheter-Tissue Contact Force on Epicardial Muscle and Fat During Radiofrequency Ablation in an Ovine Model
M. Wong, G. Edwards, J. Kalman, Saurabh Kumar +3 more
20130 citations Open access
Semantic Scholar
A Study of the Atrial Fibrillatory Cycle Length Derived From the 12-Lead ECG: Longer Cycle Length Activity is Associated With More Advanced Electroanatomic Remodelling
Tomos E. Walters, A. Teh, S. Spence, K. Halloran +3 more
20130 citations Open access
Semantic Scholar
Disease : Evidence of Diffuse Atrial Remodeling Electrophysiological and Electroanatomic Characterization of the Atria in Sinus Node
A. Hussin, J. Vohra, P. Sparks, J. Kalman +5 more
20130 citations
Semantic Scholar
Impact of Epicardial Fat on Catheter–Tissue Contact Force During RF Ablation in an Ovine Model
M. Wong, G. Edwards, S. Spence, C. Bradley +4 more
20120 citations Open access
Semantic Scholar
Characterisation of Catheter–Tissue Contact Force During Epicardial RF Ablation in an Ovine Model
M. Wong, G. Edwards, S. Spence, C. Bradley +4 more
20120 citations
Semantic Scholar

Frequent co-authors

Invite them to SciRah by sharing their profile.

J. Kalman×41
Invite
J. Kalman — researcher profile on SciRah
J. Morton×34
Invite
J. Morton — researcher profile on SciRah
P. Kistler×27
Invite
P. Kistler — researcher profile on SciRah
P. Sanders×21
Invite
P. Sanders — researcher profile on SciRah

×18

Invite

Geoffrey Lee — researcher profile on SciRah

Saurabh Kumar×17

Invite

Saurabh Kumar — researcher profile on SciRah

Invite

P. Sparks — researcher profile on SciRah

Invite

A. Teh — researcher profile on SciRah

Invite

J. Vohra — researcher profile on SciRah

Tomos E. Walters×10

Invite

Tomos E. Walters — researcher profile on SciRah

J. Goldblatt×9

Invite

J. Goldblatt — researcher profile on SciRah

Invite

V. Atkinson — researcher profile on SciRah