Timothy Maher
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View article: Larger spatial ventricular gradient magnitude is associated with higher rates of response to cardiac resynchronization therapy
Larger spatial ventricular gradient magnitude is associated with higher rates of response to cardiac resynchronization therapy Open
SVGmag is independently associated with CRT response and warrants prospective study.
View article: Utility of an Externalized Temporary Transvenous Implantable Cardioverter-defibrillator System in the Setting of Ventricular Tachycardia Storm and Concurrent Device Infection Requiring Extraction
Utility of an Externalized Temporary Transvenous Implantable Cardioverter-defibrillator System in the Setting of Ventricular Tachycardia Storm and Concurrent Device Infection Requiring Extraction Open
With the expanding use of cardiac implantable electronic device (CIED) therapy, intravascular device infections are becoming more common. In the case of transvenous implantable cardioverter-defibrillator (ICD) infections requiring extracti…
View article: Procedural Adaptations to Avoid Haemodynamic Instability During Catheter Ablation of Scar-related Ventricular Tachycardia
Procedural Adaptations to Avoid Haemodynamic Instability During Catheter Ablation of Scar-related Ventricular Tachycardia Open
Classically, catheter ablation for scar-related ventricular tachycardia (VT) relied upon activation and entrainment mapping of induced VT. Advances in post-MI therapies have led to VTs that are faster and haemodynamically less stable, beca…
View article: Anterior vs. posterior position of dispersive patch during radiofrequency catheter ablation: insights from<i>in silico</i>modelling
Anterior vs. posterior position of dispersive patch during radiofrequency catheter ablation: insights from<i>in silico</i>modelling Open
Aims To test the hypothesis that the dispersive patch (DP) location does not significantly affect the current distribution around the catheter tip during radiofrequency catheter ablation (RFCA) but may affect lesions size through differenc…
View article: Limitations of Baseline Impedance, Impedance Drop and Current for Radiofrequency Catheter Ablation Monitoring: Insights from In silico Modeling
Limitations of Baseline Impedance, Impedance Drop and Current for Radiofrequency Catheter Ablation Monitoring: Insights from In silico Modeling Open
Background: Baseline impedance, radiofrequency current, and impedance drop during radiofrequency catheter ablation are thought to predict effective lesion formation. However, quantifying the contributions of local versus remote impedances …
View article: Esophageal Perforation Following Radiofrequency Catheter Ablation for Atrial Fibrillation: A Conservative Approach
Esophageal Perforation Following Radiofrequency Catheter Ablation for Atrial Fibrillation: A Conservative Approach Open
Esophageal perforation following radiofrequency catheter ablation of atrial fibrillation (AF) is a rare and potentially deadly complication. Here, we report a case with successful conservative management of esophageal perforation following…
View article: Wide Complex Tachycardia and Cardiac Arrest During Endoscopy
Wide Complex Tachycardia and Cardiac Arrest During Endoscopy Open
A 59-year-old man presented for implantable cardioverter-defibrillator placement after a wide QRS complex tachycardia cardiac arrest at an outside hospital. In this case report, we discuss the differential diagnosis of this patient's tachy…
View article: Relationship between luminal esophageal temperature and volume of esophageal injury during RF ablation: In silico study comparing low power‐moderate duration vs. high power‐short duration
Relationship between luminal esophageal temperature and volume of esophageal injury during RF ablation: In silico study comparing low power‐moderate duration vs. high power‐short duration Open
Objective To model the evolution of peak temperature and volume of damaged esophagus during and after radiofrequency (RF) ablation using low power‐moderate duration (LPMD) versus high power‐short duration (HPSD) or very high power‐very sho…
View article: Novel use of preprocedure imaging for planning and guidance of right atrium–to–left ventricle access for catheter ablation of ventricular tachycardia
Novel use of preprocedure imaging for planning and guidance of right atrium–to–left ventricle access for catheter ablation of ventricular tachycardia Open
Traditional approaches to access the left ventricle (LV) for endocardial catheter ablation of ventricular tachycardia (VT) are not feasible in patients with simultaneous mitral and aortic mechanical valve replacements. Recent data1 have sh…
View article: Risk of QT Interval Prolongation Associated With Use of Hydroxychloroquine With or Without Concomitant Azithromycin Among Hospitalized Patients Testing Positive for Coronavirus Disease 2019 (COVID-19)
Risk of QT Interval Prolongation Associated With Use of Hydroxychloroquine With or Without Concomitant Azithromycin Among Hospitalized Patients Testing Positive for Coronavirus Disease 2019 (COVID-19) Open
In this cohort study, patients who received hydroxychloroquine for the treatment of pneumonia associated with COVID-19 were at high risk of QTc prolongation, and concurrent treatment with azithromycin was associated with greater changes in…