Clinical trials: Atrial Function
Paroxysmal Atrial Fibrillation, Pulsed Field Ablation
Pulsed Field Ablation for Paroxysmal Atrial Fibrillation: Clinical Efficacy and Left Atrial Function Protection
This is a prospective clinical study aiming to evaluate the clinical efficacy and safety of a novel domestic pulsed field ablation (PFA) system in the treatment of paroxysmal atrial fibrillation (PAF), and to specifically assess…
- Conditions
- Paroxysmal Atrial Fibrillation, Pulsed Field Ablation, Catheter Ablation, Left Atrial Function
- Trial name
- NCT07865221
- Testing
- Novel Pulsed Field Ablation System, Radiofrequency Ablation Catheter
- Where
- China
- Volunteers
- 220 people
- Sponsor
- Tianjin Medical University General Hospital
Cognitive Function Abnormal, Atrial Fibrillation (AF)
Low-frequency Electrical Stimulation for Cognitive Enhancement in Atrial Fibrillation
Cognitive function in patients with atrial fibrillation (AF) is often impaired due to the complex influence of various factors (cerebral hypoperfusion, neurodegeneration, microemboli, hypertension, chronic inflammation).
- Trial name
- LESCAF (NCT07063381)
- Testing
- tVNS
- Where
- 2 sites in Russia
- Volunteers
- 60 people
- Sponsor
- Bakulev Scientific Center of Cardiovascular Surgery
Atrial Fibrillation, Persistent, Cognitive Function
Cognitive Function in Patients With Persisted Atrial Fibrillation
Compare the difference of cognitive function between different treatment strategy in patients with persistent atrial fibrillation
- Trial name
- SMART-AF (NCT04508491)
- Testing
- Rhythm control, Rate control
- Where
- Taiwan
- Volunteers
- 9 people
- Sponsor
- National Taiwan University Hospital
Atrial Fibrillation (AF), Stroke
Population-based Atrial Fibrillation Screening in Individuals With NT-proBNP Above Median in the Tromsø Study
The aim is to investigate whether screening with long-term ECG monitoring in individuals with elevated NT-proBNP leads to a lower incidence of ischeamic stroke and death from vascular causes.
- Conditions
- Atrial Fibrillation (AF), Stroke, NT-pro-BNP, Cognitive Function and Well-Being
- Trial name
- PAFS-Tromsø (NCT07343895)
- Testing
- Long term heart rythm monitoring by ECG247
- Where
- 2 sites in Norway
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- University Hospital of North Norway
Arrhythmias, Cardiac, Atrioventricular Block
ConTempoRary Cardiac Stimulation in Clinical practicE: lEft, BivEntriculAr, Right, and conDuction System Pacing
The goal of this observational study is to evaluate the clinical characteristics of patients undergoing permanent cardiac pacing and to compare procedural efficacy and safety of different implantation approaches in the clinical…
- Conditions
- Arrhythmias, Cardiac, Atrioventricular Block, Reduced Systolic Function, Atrial Fibrillation
- Trial name
- TREEBEARD (NCT06324682)
- Testing
- Cardiac pacing - Conventional RV pacing, Cardiac pacing - Conduction System Pacing, Cardiac pacing - Cardiac resynchronization therapy (pacing - CRTP - or defibrillation - CRTD)
- Where
- 31 sites in Italy
- Volunteers
- 8,400 people
- Sponsor
- University Hospital of Ferrara
Slow Arrhythmia, His Bundle Pacing
Effect of His Bundle Pacing in Treatment of Slow Arrhythmia on Function of Left Atrial and Ventricle
Bradyarrhythmia is one of the common diseases. Also, bradyarrhythmia could result in syncope, clinic convulsion, shock, sudden death and so on, which could influence people's life quality severely.
- Conditions
- Slow Arrhythmia, His Bundle Pacing, Function of Left Atrial and Ventricle
- Trial name
- NCT03590353
- Testing
- Dual Chamber Pacemaker, His Bundle Pacemaker
- Where
- China
- Volunteers
- 84 people
- Sponsor
- The Second Hospital of Hebei Medical University
Left Atrial Appendage Velocity, Left Atrial Structure
Effect of Left Atrial Appendage Velocity on Left Atrial Structure and Function After Radiofrequency Ablation Combined With Left Atrial Appendage Occlusion
Radiofrequency ablation of atrial fibrillation combined with left atrial appendage closure can not only improve symptoms in patients with non-valvular atrial fibrillation, but also prevent left atrial appendage thrombosis.
- Conditions
- Left Atrial Appendage Velocity, Left Atrial Structure, Left Atrial Function
- Trial name
- NCT04693871
- Testing
- Transesophageal ultrasound
- Where
- China
- Volunteers
- 100 people
- Sponsor
- The Second Hospital of Hebei Medical University
Slow Arrhythmia, His Bundle Pacing
Effect of His Bundle Pacing in Treatment of Slow Arrhythmia on Function of Left Atrial and Ventricle in Short Term
Bradyarrhythmia is one of the common diseases. Also, bradyarrhythmia could result in syncope, clinic convulsion, shock, sudden death and so on, which could influence people's life quality severely.
- Conditions
- Slow Arrhythmia, His Bundle Pacing, Function of Left Atrial and Ventricle
- Trial name
- NCT03685617
- Testing
- Dual Chamber Pacemaker, His Bundle Pacemaker
- Where
- China
- Volunteers
- 84 people
- Sponsor
- The Second Hospital of Hebei Medical University
Renal Function
Study to Develop a Tool to Estimate the Kidney Function in Databases Without Laboratory Data
Scientific analyses are frequently performed on e.g. health insurance databases to study the usage and effectiveness of drugs in real life.
- Trial name
- NCT03605810
- Testing
- No Intervention
- Where
- United States
- Volunteers
- 5,132,200 people
- Sponsor
- Bayer
Atrial Function
Normal Values for Myocardial Left Atrial Strain
Transversal retrospective and unicentric study. The investigators sought to determine the normal values for two-dimensional myocardial left atrial strain for the cardiology ultrasound system available in their centre (Philips…
- Trial name
- NCT03874624
- Testing
- two-dimensional speckle tracking
- Where
- Spain
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau
Atrial Fibrillation, Atrial Function
Multi-Channel Esophageal ECG Signal Classification
This study is designed to prove new methods to enable the automated analysis of esophageal electrocardiography (eECG) signals in long-term measurements as well as the detection of atrial fibrillation.
- Conditions
- Atrial Fibrillation, Atrial Function, Arrhythmias, Cardiac, Atrial Premature Complexes
- Trial name
- MC-EECG (NCT02541175)
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Atrial Fibrillation, Left Ventricular Failure
Non-invasive Blood Pressure and Cardiac Output Measurement by Using Applanation Tonometry
To evaluate and to validate accuracy, precision and trending ability of blood pressure and cardiac output measurement by applanation tonometry in cardiological patients having: atrial fibrillation severe impaired leftventricular…
- Conditions
- Atrial Fibrillation, Left Ventricular Failure, Left Ventricular Impaired Function, Aortic Valve Stenosis
- Trial name
- NCT02444104
- Where
- Germany
- Volunteers
- 120 people
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
Atrial Fibrillation, Cerebrothromboembolus
Anticoagulation in AF Ablation and Effects on Neurocognitive Function
Atrial fibrillation (AF) is the most common cardiac arrhythmia in the United States, and treatment by AF ablation is quickly becoming the favored definitive therapy.
- Conditions
- Atrial Fibrillation, Cerebrothromboembolus, Neurocognitive Function
- Trial name
- NCT02120560
- Testing
- Atrial Fibrillation Ablation
- Where
- United States
- Sponsor
- University of California, San Francisco
Chagas Cardiomyopathy, Cardiac Arrhythmia
The Signal-averaged ElectrocArdiogram in Long Term Follow-up of Chronic CHagas Disease - RIO de Janeiro Cohort
The study investigated 100 subjects, both genders, with chronic Chagas disease, confirmed by at least two distinct serological tests, and classified according to Los Andes classification in a long term follow-up aiming at…
- Conditions
- Chagas Cardiomyopathy, Cardiac Arrhythmia, Stroke, Left Ventricular Function Systolic Dysfunction
- Trial name
- SEARCH-Rio (NCT01340963)
- Where
- 4 sites in United States, Brazil
- Volunteers
- 100 people
- Sponsor
- Universidade Gama Filho
Atrial Fibrillation, Ventricular Arrythmias
Effect of Remote Ischemic Preconditioning on Cardiac Function After Cardiac Surgery
The purpose of this study is to evaluate the effects of Remote Ischemic Preconditioning on cardiac function in patients undergoing cardiac surgery compared to control intervention.
- Conditions
- Atrial Fibrillation, Ventricular Arrythmias, Myocardial Injury, Cardiac Function
- Trial name
- NCT00882622
- Testing
- Remote Ischemic Preconditioning
- Where
- 2 sites in Germany
- Sponsor
- Patrick Meybohm
Left Atrial Volume, Hypertensive Heart Disease
Left Atrial Remodelling in Hypertension: Effects of Ramipril or Irbesartan
Aim of the study is to compare in hypertensive patients the effect of one year therapy with ACE-inhibitor (RAMIPRIL) or angiotensin II receptor blocker (IRBESARTAN) on left atrial remodelling and diastolic function.
- Conditions
- Left Atrial Volume, Hypertensive Heart Disease, Antihypertensive Drugs, Diastolic Function
- Trial name
- NCT00517322
- Testing
- ramipril, irbesartan
- Where
- Italy
- Volunteers
- 80 people
- Sponsor
- Università degli Studi dell'Insubria
Atrial Fibrillation, Endothelial Function
A Case Control Study to Investigate the Possible Association Between Atrial Fibrillation and Endothelium Dysfunction by Using Flow-Mediated Vasodilation Method
Endothelial function is closely related to the hemostasis , vascular tone, and organ perfusion in cardiovascular system, and its dysfunction would cause overactivation of the coagulative system to induce thrombus formation.
- Trial name
- NCT00173966
- Where
- Taiwan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital