Clinical trials: Cardiac Flow
Anesthesia
A Study of Changes in Heart Function and Blood Flow in People Receiving Anesthesia
The purpose of this study is to understand changes in heart function (how the heart pumps blood) and blood flow in people who receive general anesthesia during surgery.
- Trial name
- NCT05954832
- Testing
- Echocardiography
- Where
- United States
- Volunteers
- 250 people
- Sponsor
- Memorial Sloan Kettering Cancer Center
Cardiac Arrest (CA), Cardiopulmonary Resuscitation
RescueDoppler- a Disruptive Ultrasound Solution for Improved Outcome After Cardiac Arrest.
RescueDoppler is an innovative, hands-free Doppler system designed for continuous monitoring of blood flow in the carotid artery, distinguishing between the presence and absence of a pulse.
- Conditions
- Cardiac Arrest (CA), Cardiopulmonary Resuscitation, Doppler Ultrasound
- Trial name
- RescueDoppler (NCT06599073)
- Testing
- RescueDoppler, Rescue
- Where
- 8 sites in Norway, Sweden
- Volunteers
- 285 people
- Sponsor
- Norwegian University of Science and Technology
Coronary Artery Disease
Assessment of Global Myocardial Perfusion Reserve Using Coronary Sinus Flow Measurements
The aim of this study is to assess whether myocardial perfusion reserve, measured during routine clinically ordered regadenoson stress cardiac magnetic resonance (CMR) has prognostic value in predicting adverse cardiovascular…
- Trial name
- NCT02697877
- Testing
- Regadenoson
- Where
- United States
- Volunteers
- 183 people
- Sponsor
- University of Illinois Chicago
Cardiovascular Disease
STRETCH Study: Effect of Distensibility on Endothelial-Dependent Vasoreactivity in Patients With ISH
Determine whether increasing arterial distensibility by decreasing advanced glycation end-product (AGE) cross-link components of vascular stiffness improves (a) endothelial-mediated vasoreactivity at rest, as assessed by…
- Trial name
- NCT00277875
- Testing
- ALT-711 (alagebrium chloride)
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- Synvista Therapeutics, Inc
Coronary Artery Disease, ST-elevation Myocardial Infarction
Ffr-gUidance for compLete Non-cuLprit REVASCularization
Background: The best strategy for ST-elevation myocardial infarction (STEMI) patients with multi-vessel disease, who undergo primary percutaneous coronary intervention (PCI) of the infarct-related artery (IRA) in the acute phase…
- Trial name
- FULL REVASC (NCT02862119)
- Testing
- FFR Treatment Arm, Conservative Treatment Arm
- Where
- Sweden
- Volunteers
- 1,542 people
- Sponsor
- Felix Bohm
Coronary Disease
Comparison of Echocardiographic Techniques in Diagnosis of Coronary Artery Disease
This study is designed to compare two different echocardiographic techniques in the evaluation of heart disease (coronary artery disease).
- Trial name
- NCT00001889
- Testing
- Myocardial contrast echocardiography, Stress echocardiography with dobutamine
- Where
- United States
- Volunteers
- 150 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Acute Myocardial Infarction
Effects of Atorvastatin 10 mg Versus 40 mg in Eight Months Follow-up Coronary Flow Reserve and Bone Marrow Stem Cell Mobilization in Patients With Acute Myocardial Infarction
Many data indicate that statins increase mobilization of bone marrow-derived stem cells, and circulating bone marrow-derived stem cells are capable of homing to sites of myocardial infarction and endothelial disruption, thereby…
- Trial name
- NCT00536887
- Testing
- atorvastatin
- Where
- South Korea
- Volunteers
- 100 people
- Sponsor
- Korea University Anam Hospital
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
Covid19
Weathering the Storm: Lung, Heart, and Brain Vascular Rehabilitation for COVID-19
Background: Respiratory and cardiovascular complications have emerged as dominant threats during and following coronavirus disease (COVID19) infection.
- Trial name
- NCT04887272
- Testing
- Supervised Exercise Training Protocol, Inspiratory Muscle and Exercise Training
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- University of Illinois Chicago
Cardiopulmonary Arrest
Measurement of Cerebral Flow Using Transfontanellar Doppler in Infants Under Cardiopulmonary Bypass
Transfontanellar Doppler can measure the velocity at both the carotid artery and the anterior cerebral artery during cardiopulmonary bypass in congenital heart disease patients.
- Trial name
- NCT01996020
- Where
- South Korea
- Volunteers
- 43 people
- Sponsor
- Seoul National University Hospital
Coronary Artery Disease, Acute Coronary Syndrome
PRESSUREwire Study
The purpose of this study is to understand routine use of FFR (Fractional Flow Reserve) and alternate indices in clinical practice.
- Trial name
- NCT02935088
- Testing
- Fractional Flow Reserve
- Where
- 71 sites in United States, Austria and 13 more
- Volunteers
- 2,217 people
- Sponsor
- Abbott Medical Devices
Coronary Artery Disease
Quantitative Flow Ratio on Radial Artery Graft Outcome After Coronary Artery Bypass Grafting
In coronary artery bypass grafting (CABG), the use of radial artery (RA) is recommended by the guidelines only to significantly stenosed vessel, due to its high vulnerability to competitive flow.
- Trial name
- ASRAB-QUARGO (NCT05556590)
- Where
- China
- Volunteers
- 135 people
- Sponsor
- Ruijin Hospital
Heart Failure，Congestive
High-Flow-Therapy for the Treatment of Cheyne-Stokes-Respiration in Chronic Heart Failure
To demonstrate the effectiveness and safety of nocturnal ventilation with oxygen (HFT - high-flow-therapy) for the treatment of CSA in patients with HFrEF compared to placebo (patient will breathe ambient air via nasal cannula…
- Trial name
- FLOAT-CS (NCT03102827)
- Testing
- Oxygen
- Where
- Germany
- Volunteers
- 14 people
- Sponsor
- Heart and Diabetes Center North-Rhine Westfalia
Percutaneous Coronary Intervention, Intravenous Ultrasound
IVUS-FFR Accuracy for Coronary Stenosis
IVUS-FFR Online Accuracy for Coronary Stenosis What is this study testing? This study is testing a new technology called IVUS-FFR , which uses ultrasound imaging inside heart arteries (IVUS) to quickly measure whether a narrowed…
- Conditions
- Percutaneous Coronary Intervention, Intravenous Ultrasound, Coronary Physiology
- Trial name
- IVUS-FFR (NCT07446023)
- Testing
- Ultrasound-Derived Fractional Flow Reserve Computational System
- Where
- China
- Volunteers
- 292 people
- Sponsor
- China National Center for Cardiovascular Diseases
Myocardial Infarction
CIPAMI-Study: Clopidogrel Administered Prehospital to Improve Primary PCI in Patients With Acute Myocardial Infarction
Acute myocardial infarction is generally caused by a thrombotic occlusion of coronary arteries. Primary aim of early therapy is a fast and complete reperfusion of the infarcted myocardium, which can be achieved by either…
- Trial name
- NCT00372216
- Testing
- Clopidogrel (Iscover/Plavix)
- Where
- 25 sites in Austria, Germany
- Volunteers
- 337 people
- Sponsor
- Stiftung Institut fuer Herzinfarktforschung
Vascular Disease, Heart Disease
Effects of Urocortins on Forearm Arterial Blood Flow in Healthy Volunteers
Impairment of the heart's pumping capacity (heart failure) remains a major clinical problem with a poor prognosis and the search for novel treatments remains an important area of research.
- Trial name
- NCT01049542
- Testing
- Astressin 2B
- Where
- United Kingdom
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Atrial Fibrillation, Ischemic Stroke, Acute
Long-Term Outcomes of LAA Contrast Flow in CT Scans After Endocardial LAA Closure: The CF-CT Registry
This study is intended to assess the incidence and correlation to the development of peri-device leaks (PDLs), device related thrombosis (DRTs) and cerebral vascular accident (CVA)/transient ischemic attacks (TIAs) in association…
- Trial name
- NCT06075628
- Testing
- Left Atrial Appendage Occlusion
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Kansas City Heart Rhythm Research Foundation
Circulatory Failure, Cardiac Arrest
Evaluation of Efficacy of the Prototype RPC (Rapid Pulse Confirmation) Device in Detecting Return of Pulsatile Flow in Patients Preparing to Separate From CPB (Cardiopulmonary Bypass)
Effective chest compressions are essential to survival in an arrest patient receiving CPR (cardiopulmonary resuscitation). A challenge in providing effective chest compressions is frequent interruption of compressions.
- Trial name
- NCT04526249
- Testing
- rapid pulse confirmation device
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Michael Kyle Ritchie
Ventricular Tachycardia, Coronary Artery Disease
Coronary Flow During Rapid Heart Rates
The goal of this observational study is to learn about the factors which determine how well ventricular tachycardia (VT) is tolerated. The main questions it aims to answer are: 1.
- Conditions
- Ventricular Tachycardia, Coronary Artery Disease, Heart Failure, Coronary Microvascular Dysfunction
- Trial name
- VT flow (NCT05841199)
- Testing
- Pressure and flow measurement during simulated VT
- Where
- United Kingdom
- Volunteers
- 70 people
- Sponsor
- Imperial College London
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
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