Peter Calvert
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View article: Temporal Trends in the Association Between Female Sex and Ischemic Stroke Among Patients With Atrial Fibrillation
Temporal Trends in the Association Between Female Sex and Ischemic Stroke Among Patients With Atrial Fibrillation Open
Background Female sex has historically been associated with higher risk of ischemic stroke in patients with atrial fibrillation. However, contemporary European studies suggest this association may have attenuated and become nonsignificant …
View article: Predictors of pacing-induced cardiomyopathy in patients undergoing AV nodal ablation: insights from a Delphi process and retrospective cohort study
Predictors of pacing-induced cardiomyopathy in patients undergoing AV nodal ablation: insights from a Delphi process and retrospective cohort study Open
Background Pacing-induced cardiomyopathy (PICM) is a recognised complication in patients undergoing ablate and pace therapy. Identifying patients at high risk for PICM can enable tailored therapy, such as upfront CRT (biventricular pacing …
View article: A cost comparison of cryoballoon ablation and pulsed field ablation with a pentaspline catheter: 1 year cost outcomes from the English NHS perspective
A cost comparison of cryoballoon ablation and pulsed field ablation with a pentaspline catheter: 1 year cost outcomes from the English NHS perspective Open
Background Technological advances in atrial fibrillation (AF) ablation have improved procedural safety and patient outcomes over the past two decades. Whist novel technologies may offer the promise of improved outcomes with reduced complic…
View article: Impedance-based electroanatomical mapping with a pentaspline pulsed field catheter to guide atrial fibrillation ablation: a prospective series
Impedance-based electroanatomical mapping with a pentaspline pulsed field catheter to guide atrial fibrillation ablation: a prospective series Open
Background Pulsed field ablation (PFA) of atrial fibrillation (AF) using a pentaspline multi-electrode catheter is commonly performed under fluoroscopic guidance. No data exist on the integration of this catheter within a three-dimensional…
View article: Lifestyle and risk factor modification in atrial fibrillation: a European Heart Rhythm Association survey
Lifestyle and risk factor modification in atrial fibrillation: a European Heart Rhythm Association survey Open
Aims Lifestyle and risk factor modification (LRFM) forms a central pillar in the management of atrial fibrillation (AF). This European Heart Rhythm Association (EHRA) survey aims to assess current clinical practice regarding LRFM across EH…
View article: Impact of pulmonary vein isolation on atrial arrhythmias in patients with typical atrial flutter: systematic review and meta-analysis of randomized clinical trials
Impact of pulmonary vein isolation on atrial arrhythmias in patients with typical atrial flutter: systematic review and meta-analysis of randomized clinical trials Open
Aims Cavotricuspid isthmus (CTI) ablation is the current ablation treatment for typical atrial flutter (AFL). However, post-ablation atrial tachyarrhythmias, mostly in the form of atrial fibrillation (AF), are frequently observed after CTI…
View article: Pulsed-field ablation of atrial fibrillation with a pentaspline catheter across National Health Service England centres
Pulsed-field ablation of atrial fibrillation with a pentaspline catheter across National Health Service England centres Open
Introduction Pulsed-field ablation (PFA) is a novel modality for pulmonary vein isolation in patients with atrial fibrillation (AF). We describe the initial uptake and experience of PFA using a pentaspline catheter across selected National…
View article: Sex differences in atrial fibrillation in India: Insights from the Kerala‐ <scp>AF</scp> registry
Sex differences in atrial fibrillation in India: Insights from the Kerala‐ <span>AF</span> registry Open
Background Much data informing sex differences in atrial fibrillation (AF) comes from Western cohorts. In this analysis, we describe sex differences in Kerala, India, using the Kerala‐AF registry—the largest AF registry from the Indian sub…
View article: Phenotypes of South Asian patients with atrial fibrillation and holistic integrated care management: cluster analysis of data from KERALA-AF Registry
Phenotypes of South Asian patients with atrial fibrillation and holistic integrated care management: cluster analysis of data from KERALA-AF Registry Open
Kerala Chapter of Cardiological Society of India.
View article: Temperature-guided high and very high-power short duration ablation for atrial fibrillation treatment: the peQasus multicentre study
Temperature-guided high and very high-power short duration ablation for atrial fibrillation treatment: the peQasus multicentre study Open
Aims Temperature-controlled high-power short-duration (HPSD) radiofrequency catheter ablation for pulmonary vein isolation (PVI) utilizing a novel ablation catheter (QDOT Micro) with real-time assessment of catheter tip temperature aims fo…
View article: Dynamic Voltage Mapping of the Post-infarct Ventricular Tachycardia Substrate: A Practical Technique to Help Differentiate Scar from Borderzone Tissue
Dynamic Voltage Mapping of the Post-infarct Ventricular Tachycardia Substrate: A Practical Technique to Help Differentiate Scar from Borderzone Tissue Open
During catheter ablation of post-infarct ventricular tachycardia (VT), substrate mapping is used when VT is non-inducible or poorly tolerated. Substrate mapping aims to identify regions of slowly conducting myocardium (borderzone) within a…
View article: How Early Is Early?
How Early Is Early? Open
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View article: Suture‐based techniques versus manual compression for femoral venous haemostasis after electrophysiology procedures
Suture‐based techniques versus manual compression for femoral venous haemostasis after electrophysiology procedures Open
Background and aims Methods for femoral venous haemostasis following electrophysiology (EP) procedures include manual compression (MC) and suture‐based techniques such as a figure‐of‐eight suture secured with a hand‐tied knot (Fo8 HT ) or …
View article: Outcomes of vascular closure devices for femoral venous hemostasis following catheter ablation of atrial fibrillation
Outcomes of vascular closure devices for femoral venous hemostasis following catheter ablation of atrial fibrillation Open
Introduction Access site complications remain common following atrial fibrillation (AF) catheter ablation. Femoral vascular closure devices (VCDs) reduce time to hemostasis compared with manual compression, although large‐scale data compar…
View article: 102 Arrhythmia recurrence following durable pulmonary vein isolation and posterior wall isolation in persistent atrial fibrillation: a randomised study
102 Arrhythmia recurrence following durable pulmonary vein isolation and posterior wall isolation in persistent atrial fibrillation: a randomised study Open
Introduction In patients with advanced persistent atrial fibrillation the optimal ablation strategy during redo procedures is unknown. The utility of posterior wall isolation (PWI) in addition to pulmonary vein isolation (PVI) in these pat…
View article: One‐year outcomes of rate versus rhythm control of atrial fibrillation in the Kerala‐AF Registry
One‐year outcomes of rate versus rhythm control of atrial fibrillation in the Kerala‐AF Registry Open
Background There is ongoing debate around rate versus rhythm control strategies for managing atrial fibrillation (AF), however, much of the data comes from Western cohorts. Kerala‐AF represents the largest prospective AF cohort study from …
View article: Cost, efficiency, and outcomes of pulsed field ablation vs thermal ablation for atrial fibrillation: A real-world study
Cost, efficiency, and outcomes of pulsed field ablation vs thermal ablation for atrial fibrillation: A real-world study Open
In this contemporary real-world study of the 3 major AF ablation modalities used concurrently, PFA had shorter skin-to-skin and catheter laboratory times than did CB and RF, with similarly low rates of complications. However, PFA procedure…
View article: Very-high power short duration radiofrequency ablation (90W/4seconds) under mild conscious sedation: lesion metrics and 12-month outcomes
Very-high power short duration radiofrequency ablation (90W/4seconds) under mild conscious sedation: lesion metrics and 12-month outcomes Open
Background Pulmonary vein isolation (PVI) is often performed under general anaesthesia (GA) or deep sedation. Anaesthetic availability is limited in many centres across Europe, and deep sedation is prohibited in some countries without anae…
View article: Dynamic voltage mapping of the ventricular tachycardia substrate
Dynamic voltage mapping of the ventricular tachycardia substrate Open
Background Substrate mapping techniques that predict ventricular tachycardia (VT) isthmus components in sinus or paced rhythm are necessary as mapping during VT is often not possible. Voltage maps lack accuracy in differentiating scar, tra…
View article: Phenotypes and outcomes in patients with atrial fibrillation: a global unsupervised cluster analysis from Phase II/III of the GLORIA-AF registry
Phenotypes and outcomes in patients with atrial fibrillation: a global unsupervised cluster analysis from Phase II/III of the GLORIA-AF registry Open
Background Atrial fibrillation (AF) patients are characterized by a great clinical heterogeneity and complexity across the world. Usual classifications may not adequately characterize this population. Data-driven cluster analysis reveals d…
View article: Impact of environment and ethnicity on prognosis in AF patients: does the 'where' matter more than the 'who'?
Impact of environment and ethnicity on prognosis in AF patients: does the 'where' matter more than the 'who'? Open
Background Atrial fibrillation (AF) is increasing worldwide and disparities are known between different geographically defined populations. However, populations are more and more multi-racial/multiethnic and less is known about the impact …
View article: Durability of thermal pulmonary vein isolation in persistent atrial fibrillation assessed by mandated repeat invasive study
Durability of thermal pulmonary vein isolation in persistent atrial fibrillation assessed by mandated repeat invasive study Open
PVI durability may be poor in those with significant LA scarring and dilatation, even with modern thermal ablation technologies. RF resulted in significantly better PVI durability than did CB in this complex population.
View article: Remote rhythm monitoring using a photoplethysmography smartphone application after cardioversion for atrial fibrillation
Remote rhythm monitoring using a photoplethysmography smartphone application after cardioversion for atrial fibrillation Open
Aims Direct current cardioversion (DCCV) is a commonly utilized rhythm control technique for atrial fibrillation. Follow-up typically comprises a hospital visit for 12-lead electrocardiogram (ECG) two weeks post-DCCV. We report the feasibi…
View article: Lesion metrics and 12‐month outcomes of very‐high power short duration radiofrequency ablation (90W/4 s) under mild conscious sedation
Lesion metrics and 12‐month outcomes of very‐high power short duration radiofrequency ablation (90W/4 s) under mild conscious sedation Open
Introduction Pulmonary vein isolation (PVI) is often performed under general anaesthesia (GA) or deep sedation. Anaesthetic availability is limited in many centers, and deep sedation is prohibited in some countries without anaesthetic supp…
View article: Editorial to “Incidence of nausea/vomiting following propofol sedation with adaptive‐servo ventilation for atrial fibrillation ablation”
Editorial to “Incidence of nausea/vomiting following propofol sedation with adaptive‐servo ventilation for atrial fibrillation ablation” Open
The incidence of nausea, vomiting, and symptoms relating to vagal nerve injury remains high after atrial fibrillation ablation, with many patients reporting symptoms in the hours to months after their procedure. These are often underreport…