Clinical trials: Cardiac Flow
Acute ST Segment Elevation Myocardial Infarction, Prognosis
Predictive Value of Combining AccuIMR and AccuFFR in Patients With STEMI
Patients with acute myocardial infarction were enrolled retrospectively. The fractional flow reserve (AccuFFR) and microcirculatory resistance index (AccuIMR) based on coronary angiography were analyzed, and the relationship…
- Trial name
- NCT06435728
- Testing
- AccuIMR and AccuFFR
- Where
- China
- Volunteers
- 1,297 people
- Sponsor
- Peking University Third Hospital
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
Vascular Disease, Heart Disease
Effects of Urocortins on Forearm Arterial Blood Flow in Healthy Volunteers (Protocol 2)
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
- NCT01096693
- Testing
- Urocortin 2, Urocortin 3
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Coronary Artery Disease Left Main, Coronary Artery Disease
Fractional Flow Reserve Versus Angiography for Treatment-Decision and Evaluation of Significant Left MAIN Coronary Artery Disease
The primary purpose of the study was to determine whether the 2-year probability of major adverse cardiac events (primary composite outcome) differed significantly between patients who underwent angiography-guided Percutaneous…
- Trial name
- FATE-MAIN (NCT05829889)
- Testing
- FFR-Guided PCI, Angiography-Guided PCI
- Where
- 49 sites in Hong Kong, India and 3 more
- Volunteers
- 960 people
- Sponsor
- Seung-Jung Park
Aortic Valve Disease
4D- Flow- MRI After Aortic Valve Surgery
This randomized controlled trial was designed to analyze flow patterns in the ascending aorta with MRI after either Trileaflet reconstruction of the aortic valve with autologous pericardium (TriRec) or surgical valve replacement…
- Trial name
- NCT04223713
- Testing
- TriRec, Aortic valve replacement
- Where
- Germany
- Volunteers
- 30 people
- Sponsor
- Deutsches Herzzentrum Muenchen
Chronic Total Occlusion of Coronary Artery
Properties of Myocardial Microcirculation in Patients With Different Pathomorphological Substrates, Before and After Recanalization of Coronary Artery CTO
This study will evaluate the changes in myocardial microcirculatory parameters of the collateral donor artery after recanalization of coronary artery chronic total occlusion.
- Trial name
- NCT04060615
- Testing
- percutaneous coronary intervention
- Where
- Serbia
- Volunteers
- 30 people
- Sponsor
- University of Belgrade
Heart Diseases
Skeletonised Versus Pedicled Internal Thoracic Artery
It is to date unknown whether Thunderbeat has a place in harvesting the left internal mammary artery (LIMA) and whether skeletonisation is superior to pedicle harvested LIMA.
- Trial name
- TST (NCT05562908)
- Testing
- Pedicled, Surgical skeletonised, Thunderbeat skeletonised
- Where
- Denmark
- Volunteers
- 165 people
- Sponsor
- Lars Peter Riber
Left Anterior Descending Coronary Artery Stenosis
The Drift-Reduction for Improved FFR Using Fiberoptic Technology (DRIFT) Study
The primary objective of this study is to assess the accuracy, efficacy, and durability of the OpSens Medical OptoWire Deux pressure wire in the assessment of angiographically intermediate proximal left anterior descending…
- Trial name
- OPSENS (NCT03848650)
- Testing
- OpSens Medical OptoWire, FFR
- Where
- 2 sites in United States
- Volunteers
- 60 people
- Sponsor
- Columbia University
Coronary Artery Disease
The Wire-free Invasive Functional Imaging (WIFI) Study
Quantitative Flow Ratio (QFR) is a new method for evaluating the functional significance of coronary stenosis by calculation of the pressure in the vessel based on two angiographic projections.
- Trial name
- WIFI (NCT02795585)
- Testing
- QFR (observational)
- Where
- Denmark
- Volunteers
- 99 people
- Sponsor
- Niels Ramsing Holm
Percutaneous Coronary Intervention
Adenosine Contrast CorrELations in Evaluating RevAscularizaTION
The purpose of this study is to compare FFR measurements done with adenosine to FFR measurements done with contrast, where the contrast is injected using the ACIST CVi automated contrast injector.
- Trial name
- ACCELERATION (NCT03557385)
- Testing
- Iopamidol, adenosine, Navvus® Catheter
- Where
- 5 sites in United States
- Volunteers
- 201 people
- Sponsor
- Duke University
Right to Left Shunt, Patent Foramen Ovale
Right to Left Cardiac Shunt Detection
The purpose of this study is to evaluate the sensitivity and specificity of the Cardiox Flow Detection System (FDS) in identifying an intracardiac right-to-left shunt (RLS) compared to the results of transesophageal…
- Conditions
- Right to Left Shunt, Patent Foramen Ovale, Atrial Septal Defect
- Trial name
- PFO Detection (NCT01773252)
- Testing
- Flow Detection System
- Where
- 8 sites in United States
- Volunteers
- 141 people
- Sponsor
- Cardiox Corporation
Coronary Artery Disease
Transluminal Attenuation Gradient Versus CT Fractional Flow Reserve
Coronary computed tomographic angiography (CCTA) has emerged as a non-invasive test, accurately evaluate anatomic coronary artery stenosis.
- Trial name
- NCT01413334
- Where
- South Korea
- Volunteers
- 80 people
- Sponsor
- Seoul National University Hospital
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
Non Cardiac Surgery
End-tidal Carbon Dioxide as a Non-invasive Predictor for Changes in Cardiac Output in Non-cardiac Surgery
Cardiac output (CO) is challenging to measure at the bedside. The traditional gold standard for measuring CO requires the insertion of a pulmonary artery catheter which is invasive, associated with a risk for serious…
- Trial name
- NCT06962748
- Testing
- cerebral blood flow measurment, TTE CO measurment, ETCO2
- Where
- Egypt
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Coronary Artery Disease, Coronary Disease
Fractional Flow Reserve Versus Angiography Randomization for Graft Optimization Trial
The FARGO trial is a prospective, randomized (1:1), multicenter study. The aim of the study is to assess the importance of fractional flow reserve (FFR) assessment prior to coronary artery bypass grafting (CABG) with respect to…
- Conditions
- Coronary Artery Disease, Coronary Disease, Myocardial Ischemia, Arteriosclerosis
- Trial name
- FARGO (NCT02477371)
- Testing
- Fractional flow reserve-guided CABG, Angiography-guided CABG
- Where
- 3 sites in Denmark
- Volunteers
- 100 people
- Sponsor
- Odense University Hospital
Surgery, Cardiac Death
Endothelial Dysfunction and Non-cardiac Surgery
Endothelial dysfunction is a cardiovascular disease hallmark. After non-cardiac surgery, cardiovascular events correlate with surgical outcomes. Understanding the role of endothelial function in these events is crucial.
- Conditions
- Surgery, Cardiac Death, Stroke, Myocardial Injury
- Trial name
- NCT05778981
- Testing
- FMD - Troponin measurement
- Where
- Chile
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Chile
Heart Failure，Congestive
PVF in Decongestion of Heart Failure
Evaluate PVF alterations in patients with ADHF at arrival and after decongestive treatment
- Trial name
- NCT05227872
- Testing
- ultrasound
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Assiut University
Dilated Cardiomyopathy, Thrombosis Cardiac
Intraventricular Stasis In Cardiovascular Disease
This study is designed to quantify the ventricular stasis in patients with different forms of cardiomyopathy and at risk of stroke (ischemic, non-ischemic dilated cardiomyopathy and hypertrophic cardiomyopathy) by post-processing…
- Conditions
- Dilated Cardiomyopathy, Thrombosis Cardiac, Stroke, Hypertrophic Cardiomyopathy
- Trial name
- ISBIFLOW (NCT04649034)
- Testing
- Doppler echocardiogram exam, Cardiac magnetic resonance, Brain magnetic resonance
- Where
- 3 sites in Spain
- Volunteers
- 258 people
- Sponsor
- Hospital General Universitario Gregorio Marañon
NonST Elevation Myocardial Infarction, Myocardial Infarction
Fractional Flow Reserve Versus Angiographically Guided Management to Optimise Outcomes in Unstable Coronary Syndromes
Background: In patients with acute non-ST elevation myocardial infarction (NSTEMI) coronary arteriography is usually recommended however visual interpretation of the coronary angiogram is subjective.
- Trial name
- FAMOUS NSTEMI (NCT01764334)
- Testing
- Fractional flow reserve
- Where
- 6 sites in United Kingdom
- Volunteers
- 350 people
- Sponsor
- NHS National Waiting Times Centre Board
Heart Failure, Aortic Stenosis
Von Willebrand Factor As a Biological Sensor of Blood Flow in Percutaneous Cardiac Procedure
The WITAVI study was designed to explore the kinetic and associated outcome of Von Willebrand Factor-multimerizaton defects associated with devices in cardiovascular diseases.
- Trial name
- WiTAVi (NCT02628509)
- Testing
- cardiac devices
- Where
- France
- Volunteers
- 500 people
- Sponsor
- University Hospital, Lille
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