Clinical trials: Ventricular
Aortic Valve Stenosis, Aortic Valve Regurgitation
Valve Hemodynamic Optimization Based on Doppler-Echocardiography vs Catheterization Measurements Following ViV TAVR
Data on valve performance following ViV-TAVR has usually been obtained with the use of Doppler-echocardiography. However, some reports have shown significant discordances in the evaluation of mean transvalvular gradient between…
- Conditions
- Aortic Valve Stenosis, Aortic Valve Regurgitation, Prosthesis Failure
- Trial name
- ECHOCATH (NCT05459233)
- Testing
- Doppler-echocardiography, Invasive hemodynamic measurements
- Where
- 7 sites in United States, Canada
- Volunteers
- 310 people
- Sponsor
- Institut universitaire de cardiologie et de pneumologie de Québec, University Laval
Heart Failure
Real Time 3-Dimensional Echocardiography for Left Ventricular Lead Site Selection to Reduce Cardiac Resynchronization Therapy Non-Responder Rates
The purpose of this study is to demonstrate that cardiac resynchronization therapy (CRT) responder rate can be improved by 3-dimensional (3D) echo-guided left ventricular (LV) lead placement compared to traditional LV lead…
- Trial name
- ENVISION (NCT01278030)
- Testing
- 3D echo-guided LV lead placement
- Where
- United States
- Volunteers
- 78 people
- Sponsor
- Abbott Medical Devices
Congenital Heart Disease, Cardiovascular Disease
Pilot Study of B-Type Natrieutic Peptide (BNP) Levels in Patients With Congenital Heart Disease(BNP)
The object of this study is to measure the levels of B-type Natriuretic Peptide (BNP) in patients with congenital heart disease, normal individuals, and patients with acquired heart failure, and compare the results from each…
- Trial name
- NCT00308230
- Testing
- Six minute walk test, Minnesota Living with Heart Failure Questionnaire
- Volunteers
- 34 people
- Sponsor
- Emory University
Septic Shock, Fluid Resuscitation
Role of Echocardiography and Ultrasound Indices in Resuscitation of Septic Shock Patients
Fluid replacement is considered the cornerstone of hemodynamic management in critically ill patients especially in patients with septic shock.
- Trial name
- NCT07550400
- Testing
- carotid artery duplex, Left ventricular end diastolic area
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Ain Shams University
Out-of-hospital Cardiac Arrest (OHCA)
Potassium Chloride in Out-of-hospital Cardiac Arrest Due to Refractory Ventricular Fibrillation
The purpose of this study is to evaluate, in patients presenting with out-of-hospital cardiac arrest (OHCA) by ventricular fibrillation, refractory to 3 external electric shocks, the efficacy of a direct intravenous injection of…
- Trial name
- POTACREH (NCT04316611)
- Testing
- Potassium chloride
- Where
- France
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Post MI Left Ventricular Dysfunction
IdeNtifying High riSk Patients Post Myocardial Infarction With REduced Left Ventricular Function Using External Loop Recorders (INSPIRE-ELR Study)
The purpose of the INSPIRE-ELR study is to characterize arrhythmias in post MI low EF (≤35%) patients in the acute phase (at discharge from hospital after index MI) and chronic phase (at 8-10 weeks after index MI) and to…
- Trial name
- INSPIRE-ELR (NCT01995552)
- Testing
- External Loop Recorder
- Where
- India
- Volunteers
- 250 people
- Sponsor
- Medtronic BRC
Death, Sudden, Cardiac, Ventricular Fibrillation
Failure of Chronically Implanted Defibrillator Leads -Incidence and Management
Comparison of two different approaches to address the problem of malfunctioning ICD-leads. These leads consist of two parts. One that is used for detection of arrhythmias(and pacing if required) (Pace/Sense) and a second part…
- Trial name
- NCT00614718
- Where
- 3 sites in Germany, Switzerland
- Volunteers
- 1,317 people
- Sponsor
- University Hospital, Basel, Switzerland
Aortic Valve Stenosis
Aortic Stenosis Pre-Transcatheter Aortic Valve Replacement (TAVR) Procedure CT Scan
The purpose of this study is to evaluate contrast media volume, safety and 30-day outcome of patients after a computed tomography (CT) scan.
- Trial name
- NCT01843426
- Testing
- Low-volume, low-concentration contrast (iodixanol - Visipaque 270) CT scan
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Medical University of South Carolina
Dilated Cardiomyopathy
Intramuscular Injection of Mesenchymal Stem Cell for Treatment of Children With Idiopathic Dilated Cardiomyopathy
The main aim of the study is to determine whether intramuscular injection of umbilical cord mesenchymal stem cells can improve the ventricular function of children with idiopathic dilated cardiomyopathy(IDCM); Secondary…
- Trial name
- NCT01219452
- Testing
- umbilical cord mesenchymal stem cells
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Qingdao University
Congestive Heart Failure, LV Dysfunction
Dual Site Left Ventricular (LV) Pacing
The purpose of this study is to compare Dual LV (left ventricular) pacing to standard single LV pacing (BiV pacing) to see if Dual LV pacing: 1. Improves the way the heart's left ventricle functions 2.
- Trial name
- DIVA (NCT00944125)
- Testing
- Dual Site LV Pacing, BiV Pacing
- Where
- 2 sites in United States
- Volunteers
- 50 people
- Sponsor
- Wake Forest University Health Sciences
Aortic Stenosis
Microembolic Signals and Serum Markers of Neuronal Damage During Transcatheter Aortic Valve Implantation.
Transcatheter Aortic Valve Implantation (TAVI) using femoral access is an option for definitive treatment of aortic stenosis when open-heart surgery is considered inappropriate.
- Trial name
- NCT01237743
- Testing
- Transcatheter aortic valve implantation.
- Where
- Sweden
- Volunteers
- 21 people
- Sponsor
- Sahlgrenska University Hospital
Aortic Stenosis
Performance and Safety of the Lotus™ Valve With a FLEXible Delivery System
To confirm the acute performance and safety of the Lotus™ Valve Flex System for transcatheter aortic valve replacement (TAVR) in symptomatic patients with severe calcific aortic stenosis who are considered high risk for surgical…
- Trial name
- NCT03043404
- Testing
- Transcatheter aortic valve replacement
- Where
- 2 sites in Australia
- Volunteers
- 4 people
- Sponsor
- Boston Scientific Corporation
Aortic Stenosis
Biological Factors Associated With Subclinical Valvular Thrombosis
A prospective, multicentric cohort study including 166 patients with symptomatic aortic stenosis treated with transcatheter aortic valve implantation (TAVI).
- Trial name
- START (NCT03847948)
- Testing
- CT SCAN
- Where
- 2 sites in Spain
- Volunteers
- 166 people
- Sponsor
- Hospital San Carlos, Madrid
Effect of Pericardial Closure on the Right Ventricular Function Post Cardiac Surgery, Open Heart Surgery
Does the Pericardial Closure Reduces Early Right Ventricular Dysfunction After Cardiac Surgery: A Randomized Controlled Trial
The right ventricular (RV) function has a major influence on the outcomes of cardiac surgery[1,2]. Also affects the prognosis of patients undergoing heart surgery, where the development of right ventricular failure after surgery…
- Trial name
- NCT07836426
- Testing
- close pericardium
- Where
- Egypt
- Volunteers
- 90 people
- Sponsor
- Assiut University
Arrhythmogenic Right Ventricular Dysplasia
Blockade of the Renin-angiotensin-aldosterone System in Patients With ARVD
Arrhythmogenic right ventricular dysplasia (ARVD) is a rare cardiomyopathy characterized by the progressive replacement of cardiomyocytes by fatty and fibrous tissue in the right ventricle (RV).
- Trial name
- BRAVE (NCT03593317)
- Testing
- Spironolactone
- Where
- 13 sites in France
- Volunteers
- 120 people
- Sponsor
- Hospices Civils de Lyon
Type2 Diabetes
Study of Left Ventricular Function of Patients With Type 2 Diabetes Without Cardiovascular Disease
Type 2 diabetes is associated with high cardiovascular risk. Recent meta-analyzes suggest that the risk of hospitalization for heart failure in the diabetic is increased by 20% for each hemoglobin A1c point and that the risk of…
- Trial name
- DIACAR (NCT03736668)
- Testing
- echocardiography
- Where
- France
- Volunteers
- 200 people
- Sponsor
- Fondation Hôpital Saint-Joseph
Arrhythmia, Cardiovascular Diseases
Electrophysiologic Study Versus Electrocardiographic Monitoring (ESVEM)
To determine whether electrophysiologic study (EPS) or Holter monitoring (HM) was the better method for selecting effective long-term antiarrhythmic drug therapy in patients with sustained ventricular tachycardia, ventricular…
- Conditions
- Arrhythmia, Cardiovascular Diseases, Death, Sudden, Cardiac, Heart Diseases
- Trial name
- NCT00000518
- Testing
- electrophysiology, electrocardiography, ambulatory, imipramine
- Sponsor
- University of Utah
Atherosclerosis, Heart Diseases
Cardiac MR of Subclinical CVD: Impact of Age
To use magnetic resonance imaging to identify subclinical atherosclerosis and left ventricular hypertrophy in the Framingham Heart Study cohort.
- Conditions
- Atherosclerosis, Heart Diseases, Cardiovascular Diseases, Hypertrophy, Left Ventricular
- Trial name
- NCT00041418
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Left Ventricular Thrombosis
Apixaban Versus Warfarin in Patients With Left Ventricular Thrombus
The purpose of this study is to compare the novel oral anticoagulant apixaban with the standard therapy of warfarin on the size reduction or resolution of left ventricular thrombus over 3 months.
- Trial name
- NCT02982590
- Testing
- Apixaban 5 MG Oral Tablet [ELIQUIS], Warfarin Sodium
- Where
- Malaysia
- Volunteers
- 27 people
- Sponsor
- Universiti Sains Malaysia
Premature Ventricular Complexes
Physical Impairments in Premature Ventricular Complex
Premature ventricular complexes may be observed in individuals without underlying disease due to factors such as physical inactivity, advanced age, smoking, male sex, and psychosocial disturbances, and in some cases may result in…
- Trial name
- NCT07396597
- Testing
- Physical Evaluations of Patients with Premature Ventricular Complex, Physical Evaluations of Healthy Individuals
- Where
- Turkey (Türkiye)
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Izmir Democracy University