Neal K. Bhatia
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View article: Outcomes of Maternal Supraventricular Tachycardia During Pregnancy
Outcomes of Maternal Supraventricular Tachycardia During Pregnancy Open
Introduction While supraventricular tachycardia (SVT) is generally considered benign, recent data suggest that SVT during pregnancy may be associated with adverse outcomes. Methods and Results We queried the National Inpatient Sample (NIS)…
View article: Identification of cardiac wall motion abnormalities in diverse populations by deep learning of the electrocardiogram
Identification of cardiac wall motion abnormalities in diverse populations by deep learning of the electrocardiogram Open
Cardiac wall motion abnormalities (WMA) are strong predictors of mortality, but current screening methods using Q waves from electrocardiograms (ECGs) have limited accuracy and vary across racial and ethnic groups. This study aimed to iden…
View article: Outcomes of pregnancy-related hospitalizations in women with pacemakers and defibrillators
Outcomes of pregnancy-related hospitalizations in women with pacemakers and defibrillators Open
In a nationwide cohort of pregnancy-related hospitalizations, a history of CIED implantation was rare, occurring in about 0.05% of women. In-hospital mortality was significantly higher among pregnant women with ICDs. However, after adjustm…
View article: Costs, efficiency, and patient‐reported outcomes associated with suture‐mediated percutaneous closure for atrial fibrillation ablation: Secondary analysis of a randomized clinical trial
Costs, efficiency, and patient‐reported outcomes associated with suture‐mediated percutaneous closure for atrial fibrillation ablation: Secondary analysis of a randomized clinical trial Open
Introduction To evaluate the cost and efficiency of suture‐mediated percutaneous closure (SMC) compared to manual compression (MC) after atrial fibrillation (AF) ablation. SMC has been demonstrated to be efficacious in reducing hemostasis …
View article: A cross species thermoelectric and spatiotemporal analysis of alternans in live explanted hearts using dual voltage-calcium fluorescence optical mapping
A cross species thermoelectric and spatiotemporal analysis of alternans in live explanted hearts using dual voltage-calcium fluorescence optical mapping Open
Objective. Temperature plays a crucial role in influencing the spatiotemporal dynamics of the heart. Electrical instabilities due to specific thermal conditions typically lead to early period-doubling bifurcations and beat-to-beat alternan…
View article: Enabling Pre-Shock State Detection using Electrogram Signals from Implantable Cardioverter-Defibrillators
Enabling Pre-Shock State Detection using Electrogram Signals from Implantable Cardioverter-Defibrillators Open
Identifying electrical signatures preceding a ventricular arrhythmia from the implantable cardioverter-defibrillators (ICDs) can help predict an upcoming ICD shock. To achieve this, we first deployed a large-scale study (N=326) to continuo…
View article: Radiofrequency venous ablation for symptomatic relief in postural orthostatic tachycardia syndrome: a case series
Radiofrequency venous ablation for symptomatic relief in postural orthostatic tachycardia syndrome: a case series Open
Background Hypovolemic postural orthostatic tachycardia syndrome (POTS) is thought to be caused by dysregulated circulating blood volume. Management is mainly limited to symptom-targeted lifestyle changes. Radiofrequency venous ablation (R…
View article: Complex repolarization dynamics in <i>ex vivo</i> human ventricles are independent of the restitution properties
Complex repolarization dynamics in <i>ex vivo</i> human ventricles are independent of the restitution properties Open
Aims The mechanisms of transition from regular rhythms to ventricular fibrillation (VF) are poorly understood. The concordant to discordant repolarization alternans pathway is extensively studied; however, despite its theoretical centralit…
View article: Long-term performance of single-connector (DF4) implantable defibrillator leads
Long-term performance of single-connector (DF4) implantable defibrillator leads Open
Aims Single-connector (DF4) defibrillator leads have become the predominantly implanted transvenous implantable cardioverter-defibrillator lead. However, data on their long-term performance are derived predominantly from manufacturer produ…
View article: Outcomes of Tricuspid Regurgitation After Lead Extraction
Outcomes of Tricuspid Regurgitation After Lead Extraction Open
Background: Transvenous leads have been implicated in tricuspid valve (TV) dysfunction, but limited data are available regarding the effect of extracting leads across the TV on valve regurgitation. Objective: The aim of this study is to qu…
View article: Higher-Order Dynamics Beyond Repolarization Alternans in Ex-Vivo Human Ventricles are Independent of the Restitution Properties
Higher-Order Dynamics Beyond Repolarization Alternans in Ex-Vivo Human Ventricles are Independent of the Restitution Properties Open
Background Repolarization alternans, defined as period-2 oscillation in the repolarization phase of the action potentials, provides a mechanistic link between cellular dynamics and ventricular fibrillation (VF). Theoretically, higher-order…
View article: Beyond Alternans: Detection of Higher-Order Periodicity in Ex-Vivo Human Ventricles Before Induction of Ventricular Fibrillation
Beyond Alternans: Detection of Higher-Order Periodicity in Ex-Vivo Human Ventricles Before Induction of Ventricular Fibrillation Open
Background Repolarization alternans, defined as period-2 oscillation in the repolarization phase of the action potentials, is one of the cornerstones of cardiac electrophysiology as it provides a mechanistic link between cellular dynamics …