Clinical trials: Cardiac Flow
Coronary Artery Disease, Valvular Heart Disease
Strategies for Revascularization in Patients Undergoing Heart Valve Surgery With Concomitant Coronary Artery Disease
The purpose of this study is to determine whether, in patients undergoing elective valvular heart surgery, revascularization of concomitant coronary artery disease (CAD) guided by FFR (Fractional flow reserve) would be superior…
- Trial name
- SAVE-IT (NCT02173860)
- Testing
- FFR-guided surgical revascularization, Angio-guided surgical revascularization
- Where
- Portugal
- Volunteers
- 502 people
- Sponsor
- Portuguese Society of Cardiology
Cardiac Output, Low
Effects of Inspiratory Flow Waveforms on Preload
The clinical usefulness of inspiratory flow pattern manipulation during mechanical ventilation remains unclear. The aim of this study was to investigate the effects of different inspiratory flow waveforms, i.e.
- Trial name
- NCT01892696
- Testing
- varying inspiratory flow waveforms
- Where
- Tunisia
- Volunteers
- 60 people
- Sponsor
- Military Hospital of Tunis
Cardiovascular Disease, Coronary Artery Disease
Mental Stress Ischemia: Biofeedback Study
The purpose of this study is to evaluate the blood flow to the heart during stress and assess changes in blood flow after psychological treatment in participants with coronary artery disease.
- Trial name
- MIBS (NCT02657382)
- Testing
- Heart Rate Variability (HRV) Biofeedback (BF), Mental Stress Protocol
- Where
- 4 sites in United States
- Volunteers
- 25 people
- Sponsor
- Emory University
Multivessel Coronary Artery Disease, Vessel Disease
Functional Testing Underlying Coronary Revascularisation
The objective of this trial is to compare the clinical outcomes and cost-effectiveness of 2 therapeutic strategies, one based on coronary angiography guidance and the other based on coronary angiography with fractional flow…
- Conditions
- Multivessel Coronary Artery Disease, Vessel Disease, Stable Angina, Unstable Angina or Stabilized Non-ST Elevated Myocardial Infarction
- Trial name
- FUTURE (NCT01881555)
- Testing
- invasive coronary angiography, Functional testing by fractional flow reserve measurement
- Where
- France
- Volunteers
- 941 people
- Sponsor
- Hospices Civils de Lyon
Contrast-induced Acute Kidney Injury (CI-AKI)
Hemodynamic Effects Of Impella On Renal Circulation And Risk Of CA-AKI Among Patients Undergoing Protected PCI
Patients undergoing Percutaneous Coronary Intervention (PCI) are exposed to the risk of suffering from a damage to the kidneys which goes under the name of Contrast-Associated Acute Kidney Injury (CA-AKI), which is more common if…
- Trial name
- NCT04928118
- Testing
- Evaluate the blood flow and pressure into kidneys
- Sponsor
- Virginia Commonwealth University
Coronary Artery Disease, Ischemic Heart Disease
Graft Patency of QFR-guided Versus Angio-guided Coronary Artery Bypass Grafting
Coronary artery bypass grafting(CABG) is the golden standard for severe coronary artery disease(CAD), the current surgery strategy is mainly based on coronary angiography(CAG), but many trials of PCI have shown that visually…
- Trial name
- NCT03770520
- Testing
- QFR-guided CABG, Angio-guided CABG
- Where
- China
- Volunteers
- 208 people
- Sponsor
- Beijing Anzhen Hospital
Coronary Artery Disease
Comparison of Paclitaxel-Coated Balloons Against Drug-Eluting Bioresorbable Scaffolds for Elective PCI Using OCT
This prospective randomized clinical trial aims to compare two different "metal-free" strategies for elective percutaneous coronary revascularization: the FFR-guided DCB-only PCI (drug-coated balloon: SeQuent Please™, B Braun…
- Trial name
- OCTOPUS-3 (NCT02607241)
- Testing
- OCT-guided BRS implantation, FFR-guided DCB-only PCI
- Where
- Germany
- Volunteers
- 59 people
- Sponsor
- University of Jena
HIV
Sildenafil to Treat HIV-Associated Pulmonary Hypertension
This study will examine how blood pressure in the lungs is controlled in healthy people, people with HIV and people with HIV and pulmonary artery hypertension (high blood pressure in the lungs, also called PAH).
- Trial name
- NCT00327080
- Testing
- MRI, L-NMMA, Acetylcholine
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Central Sleep Apnea, Cheyne-Stokes Respiration
Treatment of Central Sleep Apnoea in Patients With Heart Failure With Nasal High Flow Therapy (nHFT)
To investigate whether nHFT is an effective treatment for patients with Chronic Heart Failure (CHF) and central sleep apnea (CSA).
- Trial name
- RELAX (NCT03085641)
- Testing
- Nasal high flow oxygen therapy
- Where
- Netherlands
- Volunteers
- 6 people
- Sponsor
- University Medical Center Groningen
Cerebrovascular Circulation, Physiology
Assessment of the Relationship Between Cerebral Blood Flow and Heart Rate
The investigators will seek to determine the relationship between heart rate and middle cerebral artery (MCA) cerebral blood flow (CBF), as well as better understand the hemodynamic determinants of MCA CBF velocity.
- Trial name
- NCT04391465
- Testing
- Electrophysiological Pacing
- Where
- Canada
- Volunteers
- 20 people
- Sponsor
- University of Calgary
Coronary Artery Disease
The MATCH Investigation: CT Myocardial Perfusion and CT-FFR vs PET MPI
The overall goal of this project is to compare the absolute quantification of myocardial perfusion done by using CT myocardial perfusion imaging (CT-MPI) and the coronary flow measured by using CT Fractional Flow Reserve analysis…
- Trial name
- NCT04316676
- Testing
- PET-MPI Protocol, CT-MPI, Coronary CT angiography (CCTA) for CT-FFR calculation
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Emory University
Acute Coronary Syndrome, Ischemic Heart Disease
PreDiction and Validation of Clinical CoursE of Coronary Artery DiSease With CT-Derived Non-Invasive HemodYnamic Phenotyping and Plaque Characterization (DESTINY Study)
Acute coronary syndrome (ACS) and sudden cardiac death can be the first manifestation of coronary artery disease and are the leading cause of death in the majority of the world's population.
- Trial name
- DESTINY (NCT04794868)
- Testing
- CCTA-derived high risk plaque characteristics, CFD-derived hemodynamic parameters
- Where
- 2 sites in China, South Korea
- Volunteers
- 356 people
- Sponsor
- Samsung Medical Center
Therapy Refractory Myocardial Ischemia, Coronary Artery Disease
Improvement of Myocardial Blood Flow by PhosphoDiesterase 5 Inhibition in Coronary Artery Disease
The aim of this study is to prospectively investigate if intermittent Phosphodiesterase 5 inhibition for 15 weeks improves myocardial perfusion by angiogenesis in patients with therapy refractory myocardial ischemia due to…
- Conditions
- Therapy Refractory Myocardial Ischemia, Coronary Artery Disease, Unsuitable for Surgical or Percutaneous Revascularisation
- Trial name
- SYDNEY (NCT01406535)
- Testing
- Vardenafil
- Where
- Austria
- Sponsor
- Medical University of Vienna
Pain Management
LASER Effects Blood Flow
This study investigate the potential impact of low power laser (LPL), an non-invasive physical therapy, on the cardiovascular system by focusing on its effect on heart rate and autonomic tone.
- Trial name
- LASERBF (NCT07369843)
- Testing
- physical therapy (low power LASER)
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Saint Paul's Hospital, Congregation Of The Sisters Of Saint Paul De Chartres
Ischemic Heart Disease
Impact of Dynamic CoROnary RoADmap System for Guidance of Instantaneous Wave-Free Ratio or Fractional Flow Reserve
In patients with 50-90% stenosis of the coronary artery, the coronary roadmap (dynamic roadmap) is performed when the conventional fractional flow reserve (FFR) and instantaneous wave-free ratio (iFR) are performed.
- Trial name
- ROAD-IFR (NCT05682118)
- Testing
- roadmap, iFR/FFR
- Where
- South Korea
- Volunteers
- 226 people
- Sponsor
- Yonsei University
Coronary Artery Disease
Assessing Myocardial Blood Flow and Blood Flow Reserve by Transoesophageal Echocardiography (TEE)
Until today it was not possible to reliably assess the function of a new bypass, i.e., to measure myocardial perfusion. Measuring intramyocardial blood flow directly after revascularisation would greatly improve the assessment of…
- Trial name
- NCT00286559
- Testing
- SonoVue, Optison
- Sponsor
- University Hospital, Basel, Switzerland
Coronary Heart Disease
Coronary Flow Rate Measurement in T-Grafts
Is the surgical treatment of patients with coronary heart disease using the T-graft technique an adequate solution that provides a sufficient myocardial flow reserve? A magnetic resonance examination (MRI) is required.
- Trial name
- NCT01170988
- Testing
- T-Graft
- Where
- Germany
- Volunteers
- 20 people
- Sponsor
- Johann Wolfgang Goethe University Hospital
Cardiogenic Shock Post Myocardial Infarction
Rapid Microaxial Flow Pump Support and Escalation in Patients With Myocardial Infarction Associated Cardiogenic Shock and Persistent Need of Hemodynamic Support
The aim of this trial is to evaluate whether a structured and time-optimized escalation strategy from a transfemoral microaxial flow-pump (Impella CP™) to the Impella 5.5™ microaxial flow-pump is associated with improved clinical…
- Trial name
- RISE (NCT07655479)
- Testing
- Escalation to more capable microaxial flow-pump (Impella 5.5)
- Where
- 3 sites in Germany
- Volunteers
- 115 people
- Sponsor
- University Hospital of Cologne
Coronary Artery Disease
Simplified Anti-Thrombotic Therapy for FFR
Despite the routine use of procedural anti-coagulation and anti-platelet therapy for FFR calculation, no study has evaluated the optimal anti-thrombotic regimen in patients undergoing FFR.
- Trial name
- SMART-FFR (NCT02384070)
- Testing
- FFR, Aspirin, Clopidogrel
- Volunteers
- 300 people
- Sponsor
- Odessa Heart Institute
Coronary Artery Disease
Assessment of Coronary Flow Reserve by PET-H215O and FFR. Comparison With Dynamic Acquisition Using CZT Camera
The study will assess coronary flow reserve by PET-H215O and FFR in patients suspected of coroanry artery disease. This a comparative study with dynamic acquisition using CZT camera and 99mcTc-mibi.
- Trial name
- WATERDAY (NCT02278497)
- Testing
- ASSESSMENT OF CORONARY FLOW RESERVE BY PET-H215O AND FFR
- Where
- France
- Volunteers
- 20 people
- Sponsor
- University Hospital, Caen
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