Clinical trials: Heart Chambers
Congenital Diseases, Complete Heart Block
Exercise in Chronically Paced Children
The purpose of this study is to evaluate the exercise capacity of patients with complete heart block who are chronically being paced from the right ventricle.
- Conditions
- Congenital Diseases, Complete Heart Block, Pacemaker
- Trial name
- NCT00374608
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- Emory University
Ventricular Arrhythmia
EDEN Intracardiac Electrogram Recording and Classifying System
Background: Heart surgeons use electrocardiogram (ECG) machines to record electrical signals from the heart during procedures. Normal ECG machines connect only to the skin.
- Trial name
- NCT07137455
- Testing
- EDEN Intracardiac Electrogram Recording and Classifying System
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Ventricular Tachycardia, Ischemic Cardiomyopathy
Contrast ICE for Myocardial Scar in VT Ablations
There is a high correlation between scar areas identified by contrast-enhanced ICE and scar areas identified by conventional electroanatomic mapping.
- Trial name
- NCT03212326
- Testing
- Perflutren Lipid Microsphere Intravenous Suspension [DEFINITY]
- Volunteers
- 24 people
- Sponsor
- Weill Medical College of Cornell University
Right Ventricular (RV) Dysfunction
Temporary Biventricular Pacing
The hypothesis of this study is that temporary biventricular pacing will improve hemodynamic performance in patients with right ventricular dysfunction after open cardiac chamber cardiac surgery.
- Trial name
- BIPACE (NCT01987531)
- Testing
- left ventricular epicardial pacing lead
- Where
- United States
- Volunteers
- 2 people
- Sponsor
- University of Pennsylvania
Cardiac Arrhythmias, Atrial Fibrillation and Flutter
Increasing Detection of Sub-Clinical Atrial Fibrillation in Defibrillator Patients With the Use of a VDD-ICD Lead
This study aims to compare the Dx-ICD system (experimental) to standard VVI-ICD (control) on the ability to diagnose silent AF in patients without prior AF receiving an ICD for standard indications.
- Conditions
- Cardiac Arrhythmias, Atrial Fibrillation and Flutter, Cardiovascular Diseases, Implantable Cardioverter-Defibrillators
- Trial name
- Dx-AF (NCT03110627)
- Testing
- VDD ICD (experimental group), Single chamber VVI ICD (control group)
- Where
- 9 sites in Canada
- Volunteers
- 188 people
- Sponsor
- Unity Health Toronto
Cardiac Structure and Function, Intracardiac Hemodynamic
Intracardiac Hemodynamics and Myocardial Strain in Athletes and First Responders
The goal of this observational study is to compare the differences of intracardiac hemodynamics and myocardial strain in athletes with different training levels to adapt to long-term high-level training in rest conditions.
- Trial name
- IHMS (NCT06075342)
- Testing
- exercise
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Chengdu Sport University
Prolonged QT Interval
Effects Rapid Atrial Pacing Has on the Electrocardiogram (ECG) in Patients With Dual Chamber Pacemakers
The purpose of this study is to learn what effect rapid atrial pacing (in patients with dual chamber pacemakers) will have on the electrocardiogram including the QT Interval.
- Trial name
- NCT00883610
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Vanderbilt University
Structural Heart Diseases, Atrial Septal Defect
Cardiac Interventional ICE Imaging Trial
The INTELICE trial is a prospective, multicenter, 1:1 randomized controlled non-inferiority study. It aims to compare a novel intracardiac echography (ICE) catheter and combined ultrasound system with existing commercial ones.
- Conditions
- Structural Heart Diseases, Atrial Septal Defect, Patent Foramen Ovale, Arrhythmias, Cardiac
- Trial name
- INTELICE (NCT06344494)
- Testing
- Arch EchoTM Intracardiac Ultrasound catheter and ultrasound system, SOUNDSTAR 3D Diagnostic Ultrasound catheter and ACUSON P500 system
- Where
- 4 sites in China
- Volunteers
- 130 people
- Sponsor
- ICE Intelligent Healthcare Co., Ltd
Atrial Fibrillation
Study to Evaluate the Effect of Ranolazine and Dronedarone When Given Alone and in Combination in Patients With Paroxysmal Atrial Fibrillation
The primary objective of this study is to evaluate the effect of ranolazine and of low-dose dronedarone when given alone and in combination at different dose levels on atrial fibrillation burden (AFB) over 12 weeks of treatment.
- Trial name
- HARMONY (NCT01522651)
- Testing
- Ranolazine, Dronedarone
- Where
- 50 sites in United States, Germany and 5 more
- Volunteers
- 134 people
- Sponsor
- Gilead Sciences
Hypertrophic Cardiomyopathy, Mechanical Hyper-synchronicity
Hyper-synchronicity in Hypertrophic Cardiomyopathy (HCM) : Description, Mechanism and Origin With a Multi-imaging Approach to Predict Dual Chamber Pacing Response
Hypertrophic cardiomyopathy (HCM) is a common genetic cardiovascular disease. Outflow-tract gradient of 30 mmHg or more under resting conditions is an independent determinant of symptoms of progressive heart failure and death.
- Trial name
- HSYNC (NCT02559726)
- Testing
- Echocardiography (TEE), Magnetic resonance imaging (MRI) with gadolinium enhancement, Magnetic resonance imaging (MRI) without gadolinium enhancement
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
Heart Rhythm Disorder
Intracardiac Echocardiography Guided vs. Electroanatomical Mapping System Guided Slow Pathway Ablation in Patients With Atrioventricular Nodal Reentrant Tachycardia
Study protocol To prepare for the electrophysiologic study, antiarrhythmic drugs were discontinued at least five half-lives before the procedure and were under conscious sedation using midazolam ± fentanyl while fasting.
- Trial name
- NCT05907863
- Testing
- Use of intracardiac echocardiography
- Where
- Hungary
- Volunteers
- 80 people
- Sponsor
- University of Pecs
Atrial Fibrillation
Foresight Intracardiac Echocardiography (ICE) System
This study will evaluate the efficacy of 2D forward-looking and 3D Intracardiac Echocardiography (ICE) to guide septal punctures during Atrial Fibrillation ablation procedures.
- Trial name
- NCT02514876
- Testing
- Foresight ICE System
- Where
- Canada
- Volunteers
- 10 people
- Sponsor
- Conavi
Heart Failure, Systolic, Left Bundle Branch Block
Optimal Coronary Sinus Lead Implantation Using Intracardiac Impedography and Magnetic Resonance Imaging
Despite the dramatic effect of cardiac resynchronization therapy (CRT) on survival and morbidity in people with congestive heart failure, 50-70% of eligible patients do not respond to this intervention.
- Trial name
- NCT01129635
- Testing
- Cardiac Resynchronization Therapy (CRT) implantation
- Where
- United States
- Volunteers
- 38 people
- Sponsor
- Emory University
Atrial Septal Defects
Safety and Effectiveness Study of the Solysafe Septal Occluder
Prospective mono-center clinical study to evaluate the safety and effectiveness of an intracardiac septal closure device in patients with atrial septum defect (ASD)
- Trial name
- NCT00353509
- Testing
- Device Closure of a Septal Defect
- Where
- Serbia
- Sponsor
- Carag AG
Heart Chambers
Comparing Cardiac Chamber Measurements: TTE vs. TEE Under Anesthesia
This study aims to compare two common ultrasound techniques used during heart surgery: transthoracic echocardiography (TTE) and transesophageal echocardiography (TEE).
- Trial name
- CM-TTE-TEE (NCT06715371)
- Testing
- Transthoracic Echocardiography (TTE) and Transesophageal Echocardiography (TEE)
- Where
- Canada
- Volunteers
- 114 people
- Sponsor
- Sunnybrook Health Sciences Centre
Bradycardia, Brady-tachy Syndrome
ALPs Single ChambEr New Device
Prospective, non-randomized, multi-center, international study designed to evaluate the initial safety and performance of the ALPS leadless pacemaker when used in patients with bradycardia.
- Conditions
- Bradycardia, Brady-tachy Syndrome, AV Block, Atrial Fibrillation (AF)
- Trial name
- ASCEND (NCT07461935)
- Testing
- Leadless ventricular pacemaker implantation
- Volunteers
- 10 people
- Sponsor
- Cairdac SA
Cardiac Pacemaker, Arrythmia
Aveir VR Coverage With Evidence Development Post-Approval Study
The purpose of this coverage with evidence development (CED) study is to evaluate complications and long-term health outcomes of the single-chamber Aveir Single-Chamber Leadless Pacemaker device (Aveir VR LP).
- Conditions
- Cardiac Pacemaker, Arrythmia, Bradycardia
- Trial name
- CED (NCT05336877)
- Testing
- Aveir VR Leadless Pacemaker System, Single-Chamber Transvenous Pacemaker
- Where
- United States
- Volunteers
- 8,744 people
- Sponsor
- Abbott Medical Devices
Cardiac Amyloidosis
[64Cu]FBP8 PET for Early Detection of Intracardiac Thrombus in Amyloid Cardiomyopathy
The primary goal of this pilot study is to determine whether [64Cu]FBP8, a novel fibrin-binding positron emission tomography (PET) probe, can identify intracardiac thrombi when paired with simultaneous hybrid cardiac PET/MRI in…
- Trial name
- NCT07560306
- Testing
- [64Cu]FBP8 PET/MR
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Brigham and Women's Hospital
Atrial Fibrillation Recurrent
Pulmonary Vein (PV) Imaging by Intracardiac Echography (ICE) After Ablation
To test the hypothesis that structural changes documented by ICE after pulmonary vein deconnection by RF can predict AF recurrences
- Trial name
- NCT05781282
- Testing
- Atrial fibrillation ablation
- Where
- Italy
- Volunteers
- 18 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
ICD
Reconstruction of 12-Lead Electrogram From Intracardiac Signals From Defibrillators During or After Implantation
The purpose of this study is to reconstruct a 12-lead electrocardiogram (ECG) from intracardiac (IC) electrograms (EGM) obtained from defibrillator devices (ICD).
- Trial name
- NCT00890461
- Testing
- CT scan of the chest without contrast
- Where
- 2 sites in United States
- Volunteers
- 42 people
- Sponsor
- University of Pittsburgh