Clinical trials: Coronary Circulation
Patent Ductus Arteriosus, Persistent Pulmonary Hypertension of the Newborn
Plethismographic Perfusion Index in Neonates
Photoplethismography will be measured and compared in newborns suffering from patent ductus arteriosus and normal controls.
- Trial name
- NCT02380040
- Testing
- PPG
- Where
- Israel
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Shaare Zedek Medical Center
Healthy
Analysis of Heart Muscle Function Following Exercise in Patients With Heart Disease
This study is designed to examine the blood flow, the nutrition, and the beating function of the heart under different conditions. Patients with narrowed coronary arteries my have restricted blood flow to the heart.
- Trial name
- NCT00001528
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Cardiac Arrest Circulatory
A Study of Improving Education of Community Chain of Survival
"High-quality cardiopulmonary resuscitation (CPR)" and "early defibrillation" are the most important parts of "the chain of survival", and they are highly associated with the survival rate and life quality of patients with…
- Trial name
- NCT03266263
- Testing
- automatic computer-led feedback, instructor-led feedback
- Where
- Taiwan
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Williams Syndrome, Supravalvular Aortic Stenosis
Impact of Elastin Mediated Vascular Stiffness on End Organs
Background: People with Williams Syndrome (WS) and supravalvular aortic stenosis (SVAS) have less elasticity in their blood vessels. This is called blood vessel stiffness.
- Conditions
- Williams Syndrome, Supravalvular Aortic Stenosis, Cardiovascular Disease
- Trial name
- NCT02840448
- Where
- 2 sites in United States
- Volunteers
- 159 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Univentricular Heart, Lymphatic Abnormalities
Lymphatic Function in Patients With a Fontan Circulation From Brazil
It is suggested that the elevated central venous pressure in patients with a Fontan circulation can provoke manifestation of lymphatic dysfunction, met as plastic bronchitis, peripheral oedema and most feared protein-losing…
- Conditions
- Univentricular Heart, Lymphatic Abnormalities, Lymphatic Edema
- Trial name
- NCT04394507
- Testing
- Near-Infrared Fluorescence imaging, Strain Gauge Plethysmography
- Where
- 2 sites in Denmark
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Kawasaki Disease, Heart Disease
Real Time Myocardial Contrast Echocardiography and Dobutamine Stress Perfusion Magnetic Resonance Imaging
The present study is designed to: 1. investigate the safety and efficacy of Real time myocardial echocardiography (RT-MCE) in adolescents and adults ages 12-50 with congenital and acquired congenital heart disease 2.
- Trial name
- ECHOBIKE (NCT00861848)
- Where
- United States
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- University of Nebraska
Hypotension (MeSH: D007022)
Carotid Artery Blood Flow, Blood Pressure, and Cardiac Output During Anesthesia in Children Aged 0-5 Years
Blood pressure is routinely monitored during anesthesia in children, but blood pressure alone may not accurately reflect blood flow to vital organs.
- Trial name
- CARFLOW (NCT07847203)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
Congenital Heart Disease, Pulmonary Hypertension
Integrated Computational modelIng of Right Heart Mechanics and Blood Flow Dynamics in Congenital Heart Disease
Advances in paediatric cardiology and cardiac surgery have enabled the survival of most patients born with congenital heart disease (CHD) into adulthood.
- Trial name
- NCT03217240
- Testing
- Cardiac Magnetic Resonance - MRI, Cardiopulmonary Exercise Test, Blood Sampling for all participants
- Where
- 3 sites in Singapore
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- National Heart Centre Singapore
Preterm, Patent Ductus Arteriosus
NeoDoppler: New Ultrasound Technology for Continuous Monitoring of Cerebral Circulation Pilot
Non-invasive tools for monitoring of course of disease are important and necessary in the treatment of pre-term/premature infants and sick neonates.
- Conditions
- Preterm, Patent Ductus Arteriosus, Sepsis, Asphyxia
- Trial name
- CE-NeoDoppler (NCT06646250)
- Testing
- NeoDoppler - CE certified
- Where
- Norway
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- St. Olavs Hospital
Acute Circulatory Failure
Evaluation of Doppler Flow From the Femoral Artery as a Reflection of Cardiac Flow in a Vascular Fluid Test
In order to identify the responding patients with vascular filling test, this research aims to compare the performance of the increased flow in the femoral artery to the performance of the blood pressure increase.
- Trial name
- RER D (NCT02878369)
- Testing
- Doppler measurement of blood flow in the outflow tract of the left ventricle and the femoral artery,Reading blood pressures displayed on the monitor.
- Where
- France
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Nantes University Hospital
Congenital Heart Disease
Fontan Circulation and Cardiopulmonary Function: Prognostic Factors, Hemodynamics and Long-term Effects
Cross-sectional study of a national cohort of adolescents with univentricular congenital heart defects and Fontan type palliation.
- Trial name
- NCT02378857
- Where
- Norway
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Oslo University Hospital
Right Ventricular Dysfunction, Cardiopulmonary Diseases
Right Heart and Lung Blood Flow During Exercise (RIGHT-NET 2.0)
RIGHT-NET 2.0 is a multicenter observational study with a retrospective-prospective design that builds on the original RIGHT-NET study.
- Conditions
- Right Ventricular Dysfunction, Cardiopulmonary Diseases, Pulmonary Hypertension
- Trial name
- RIGHT-NET 2 (NCT07851610)
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- IRCCS SYNLAB SDN
Cardiovascular Disease
Evaluation of Patients With Heart Disease Not Eligible for Research Protocols
An important mission of the National Institutes of Health (NIH) is to develop and carry out research studies designed to improve understanding of disease processes and treatments.
- Trial name
- NCT00001458
- Where
- United States
- Volunteers
- 7,829 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Coronary Disease, Healthy
Study of Blood Flow in Heart Muscle
Blood flows to areas of the heart providing oxygen and fuel to the pumping muscle. Occasionally the arteries providing the fuel can become blocked. This occurs in coronary artery disease.
- Conditions
- Coronary Disease, Healthy, Hypertrophic Cardiomyopathy, Myocardial Ischemia
- Trial name
- NCT00001631
- Testing
- Magnetic resonance imaging
- Where
- United States
- Volunteers
- 249 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Atherosclerosis, Heart Failure, Congestive
The Role of Angiotensin Type I Receptor in the Regulation of Human Peripheral Vascular Function
The renin angiotensin system (RAS) plays an important physiological and pathophysiological role in the control of blood pressure and plasma volume.
- Conditions
- Atherosclerosis, Heart Failure, Congestive, Hypertension, Myocardial Infarction
- Trial name
- NCT00001628
- Testing
- Angiotensin II type 1 receptor antagonists
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)