Clinical trials: Cardiac Flow
Coronary Artery Disease, Microvascular Dysfunction
Mainz Intracoronary Database. The Coronary Slow-flow and Microvascular Diseases Registry
Primary goal of the registry is to collect prospective data on patients undergoing coronary angiography in Mainz. Following amendment of the procol, this study will also include patients who received an Aborb bioresorbable…
- Trial name
- MICAT (NCT02180178)
- Testing
- observational only- no intervention
- Where
- Germany
- Volunteers
- 1,000 people
- Sponsor
- Johannes Gutenberg University Mainz
Pulmonary Hypertension, Right Ventricular Outflow Tract Dysfunction
Feasibility of Non-invasive Hemodynamic Assessment by 5D Flow in Congenital Heart Disease
This study evaluates whether new flow parameters of the cardiac magnetic resonance imaging (MRI) allow evaluation of parameters for which usually invasive rigth-left heart catheterization are necessary.
- Conditions
- Pulmonary Hypertension, Right Ventricular Outflow Tract Dysfunction, Fontan Circulation
- Trial name
- NCT07742046
- Testing
- Right-left heart catheterization in magnetic resonance imaging (MRI)
- Where
- Switzerland
- Volunteers
- 130 people
- Sponsor
- Tobias Rutz
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)
Single-ventricle, Pulmonary Vascular Resistance Abnormality
ET1 Concentration, Metabolic Pathway Activation, and Pulmonary Blood Flow in Infants Undergoing Superior Cavo-Pulmonary Anastomosis
This is a novel preliminary study of biomarkers of pathologic pre-operative pulmonary vascular development, elevated pre-operative Pulmonary Vascular Resistance Index (PVRi), and complications associated with decreased…
- Conditions
- Single-ventricle, Pulmonary Vascular Resistance Abnormality, Superior Cavo-Pulmonary Anastomosis, Endothelin
- Trial name
- NCT03404258
- Testing
- Research Blood Sampling
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- University of Colorado, Denver
Stable Angina, Unstable Angina
International Collaboration of Comprehensive Physiologic Assessment
The current study evaluated prognostic implication of comprehensive physiologic assessment using fractional flow reserve, coronary flow reserve (CFR) and index of microcirculatory resistance (IMR).
- Conditions
- Stable Angina, Unstable Angina, Non-ST Elevation Myocardial Infarction, ST-segment Elevation Myocardial Infarction
- Trial name
- NCT03690713
- Testing
- Fractional flow reserve, coronary flow reserve, and index of microcirculatory resistance
- Where
- 4 sites in Japan, South Korea and 1 more
- Volunteers
- 1,397 people
- Sponsor
- Seoul National University Hospital
Heart Defects, Congenital, Intensive Care Units, Pediatric
High-Flow Nasal Cannula vs. NIV After Extubation in Children Undergoing Heart Surgery
High-Flow Nasal Cannula vs. NIV After Extubation in Children Undergoing Heart Surgery
- Conditions
- Heart Defects, Congenital, Intensive Care Units, Pediatric, Respiration, Artificial, Extubation
- Trial name
- NCT07059689
- Testing
- High Flow Nasal Cannula (HFNC), Non-Invasive Ventilation (NIV)
- Where
- Indonesia
- Volunteers
- 114 people
- Sponsor
- Universitas Indonesia
Congenital Heart Disease (CHD), Univentricular Heart
Fontan Outcomes in Oligemia vs Plethora in Univentricular CHD
This prospective cohort study evaluates differences in clinical outcomes between pulmonary oligemia and pulmonary plethora in patients with cyanotic congenital heart disease and univentricular heart physiology undergoing staged…
- Trial name
- NCT07535203
- Testing
- Fontan Procedure
- Where
- Indonesia
- Volunteers
- 52 people
- Sponsor
- Sisca Natalia Siagian
Acute Myocardial Infarction, Unstable Angina
Exploring the Mechanism of Plaque Rupture in Acute Coronary Syndrome Using Coronary CT Angiography and Computational Fluid Dynamics II (EMERALD II) Study
The EMERALD II study is a multinational, multicenter, and retrospective study. ACS patients who underwent CCTA from 1 months to 3 years prior to the event will be retrospectively identified.
- Trial name
- EMERALD II (NCT03591328)
- Testing
- Coronary CT angiography
- Where
- South Korea
- Volunteers
- 429 people
- Sponsor
- Seoul National University Hospital
Hypertension, Congestive Cardiomyopathy
The Acute Effects of the Angiotensin-converting Enzyme Inhibitor Enalaprilat on Flow Distribution
The primary objective of this study is to study the acute effects of angiotensin-converting enzyme inhibitor (ACEI) on systemic, pulmonary and cerebral blood flow in post bidirectional cavopulmonary connection (BCPC) patients.
- Trial name
- NCT00741156
- Testing
- Enalaprilat
- Where
- Canada
- Volunteers
- 12 people
- Sponsor
- The Hospital for Sick Children
Critical Illness, Pediatric Critical Illness
Brain Blood Flow and Cerebral Autoregulation Monitoring in Critically Ill Children
This study uses a non-invasive (external) ultrasound test called Transcranial Doppler (TCD) to measure how blood flows through the major arteries of the brain of children receiving care in the Pediatric Intensive Care Unit…
- Conditions
- Critical Illness, Pediatric Critical Illness, Respiratory Failure, Traumatic Brain Injury
- Trial name
- NCT07613918
- Testing
- Transcranial Doppler
- Where
- United States
- Volunteers
- 125 people
- Sponsor
- University of Wisconsin, Madison
Angina
The Syndrome X-ercise Study SYNDEX
This pilot study evaluates the effect of exercise training on CFR, functional capacity, heart rate variability, endothelial function and quality of life in patients with no obstructive coronary artery disease and angina.
- Trial name
- SYNDEX (NCT02905630)
- Testing
- Exercise training
- Where
- Norway
- Volunteers
- 30 people
- Sponsor
- Helse Stavanger HF
Coronary Artery Disease
Fractional Flow Reserve-guided Provisional Side Branch Intervention
Study purpose: To evaluate fractional flow reserve-guided side branch intervention strategy Method: Provisional side branch intervention if jailed side branch FFR<0.75
- Trial name
- NCT00351780
- Testing
- FFR measurement, side branch angioplasty
- Where
- South Korea
- Volunteers
- 100 people
- Sponsor
- Seoul National University Hospital
Dopamine, Protein-Losing Enteropathies
Characterizing the Effect of Dopamine on Markers of Lymph Re-circulation in Fontan-associated Protein-losing Enteropathy
Patients that have undergone a Fontan procedure (surgical correction for single ventricle congenital heart disease) may develop a complication known as protein-losing enteropathy (PLE).
- Conditions
- Dopamine, Protein-Losing Enteropathies, Lymphatic System, Lymph
- Trial name
- NCT03322345
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- University of Michigan
Congenital Heart Disease
HFNC vs NIPPV Following Extubation
This study has the goal to determine the best method of respiratory support following extubation after cardiac surgery (CS). After cardiac surgery for Congenital Heart Disease (CHD), patients remain intubated until the cardiac…
- Trial name
- NCT05869825
- Testing
- High Flow Nasal Canula following extubation, Non-Invasive Positive Pressure Ventilation following extubation
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- Emory University
Aortic Valve Stenosis
CPX in Paradoxical Low Flow Aortic Stenosis
Severe aortic stenosis is a condition with poor life expectancy once it becomes symptomatic. There are no prospective studies illustrating the utility of cardiopulmonary stress (CPX) testing in diagnosing and prognosticating…
- Trial name
- NCT05481814
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Henry Ford Health System
Ischemic Heart Disease, Microvascular Coronary Artery Disease
Prognostic Impact of Cardiac Diastolic Function and Coronary Microvascular Function
The DIAST-CMD registry (Prognostic Impact of Cardiac Diastolic Function and Coronary Microvascular Function) is prospective registry which enrolled patients who underwent echocardiography, cnically-indicated invasive coronary…
- Conditions
- Ischemic Heart Disease, Microvascular Coronary Artery Disease, Diastolic Dysfunction, Heart Failure With Preserved Ejection Fraction
- Trial name
- DIAST-CMD (NCT05058833)
- Testing
- Echocardiography, Coronary flow reserve and index of microcirculatory dysfunction
- Where
- 4 sites in United States, South Korea
- Volunteers
- 800 people
- Sponsor
- Samsung Medical Center
Acute Myocardial Infarction, Diabetes Mellitus
Coronary Flow Reserve and Glucometabolic State
Diabetes mellitus is a major risk factor for the development of ischemic heart disease, and patients with diabetes mellitus have a worse outcome following an acute myocardial infarction than non-diabetic patients.
- Conditions
- Acute Myocardial Infarction, Diabetes Mellitus, Prediabetes
- Trial name
- NCT00845468
- Where
- Denmark
- Volunteers
- 190 people
- Sponsor
- Medicinsk Forsknings Afdeling
Congenital Heart Defect, Cerebrovascular Circulation
A Pilot Study- Monitoring Cerebral Blood Flow in Neonates With Congenital Heart Defects
Congenital heart defects have an incidence of 9/1000 live births. Infants with congenital heart defects such as Transposition of Great Arteries / Hypoplastic Left Heart are at risk for brain injury because of concomitant brain…
- Trial name
- NCT03512613
- Testing
- c-FLOW 3310-P
- Where
- Israel
- Volunteers
- 55 people
- Sponsor
- Ornim Medical
Internal Mammary Artery Syndrome, Vasodilation
Effect of Topically-applied Milrinone or Nitroglycerin on Internal Mammary Artery Free Flow
Forty-six consecutive patients undergoing elective primary coronary artery bypass grafting were enrolled. After the left IMA was harvested, free flow was measured under controlled hemodynamic conditions before any intervention…
- Trial name
- NCT06301880
- Testing
- The topical application of a vasodilator on the LIMA graft
- Where
- Syria
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Damascus University
Single-ventricle
Simple Non-invasive Breathing Device to Improve Pulmonary Flow Pusatility in Single Ventricle Post Fontan
This is a pilot study using a novel, minimal risk, portable, hands-free oral-positive pressure device (oPEP) in patients with Fontan palliation that will examine whether using this device in both the acute and chronic phase will…
- Trial name
- NCT05634226
- Testing
- Hands-free oral-positive pressure device (oPEP)
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Tarek Alsaied