Clinical trials: Cardiac Flow
Aortic Stenosis, Sedation Complication
High Flow Nasal Oxygen Cannula in Transcatheter Aortic Valve Replacement: Complications and Biomarkers
Background Transcatheter aortic valve replacement is a risky procedure, performed in patients that can also be considered at risk of developing complications.
- Trial name
- HIGH-OXY-TAVR (NCT05958537)
- Testing
- High flow nasal oxygen
- Where
- Spain
- Volunteers
- 132 people
- Sponsor
- Hospital Clinic of Barcelona
Coronary Disease, Coronary Stenosis
A Comparison of Fractional Flow Reserve-Guided Percutaneous Coronary Intervention and Coronary Artery Bypass Graft Surgery in Patients With Multivessel Coronary Artery Disease
The purpose of this study is to determine whether Fractional flow reserve (FFR, (coronary pressure wire-based index for assessing the ischemic potential of a coronary lesion)-guided percutaneous coronary intervention (PCI) in…
- Trial name
- FAME 3 (NCT02100722)
- Testing
- FFR guided PCI, CABG, Resolute Integrity Stent
- Where
- 46 sites in United States, Australia and 14 more
- Volunteers
- 1,500 people
- Sponsor
- Stanford University
Atrial Fibrillation (AF)
Research on Post-Stroke Anticoagulation Strategies for Atrial Fibrillation Based on Left Atrial Appendage Flow Velocity Measured by Intracardiac Echocardiography (ICE)
1. Study Purpose The primary aim of this research was to systematically describe and characterize a novel, thrombus-mimicking artifact observed during Intracardiac Echocardiography (ICE), termed the "Floating Lotus" sign.
- Trial name
- NCT07439731
- Testing
- Intracardiac Echocardiography (ICE) for Differential Diagnosis
- Where
- 2 sites in China
- Volunteers
- 172 people
- Sponsor
- Changhai Hospital
Coronary Artery Disease
Coronary Hemodynamics by Coronary Angiography
Study for developing techniques to evaluate coronary artery hemodynamic profiles by conventional angiography without more dedicated measuring devices.
- Trial name
- ESCARGOT (NCT04646278)
- Testing
- Hyperemic stimuli
- Where
- South Korea
- Volunteers
- 50 people
- Sponsor
- KangWon National University Hospital
Bypass Complications
Best Cardiac Output During Cardiopulmonary Bypass
The purpose of this study is to determine whether the patients cardiac output measured before cardiopulmonary bypass (CPB), is more sufficient to secure the patients oxygen needs than the estimated cardiac output from Ficks…
- Trial name
- NCT01379638
- Where
- Denmark
- Volunteers
- 20 people
- Sponsor
- Aalborg University Hospital
Septic Shock, Sepsis
Effects of Dexmedetomidine on Sublingual Microcirculation and Vascular Waterfall Phenomenon in Patients With Septic Shock
This prospective, multicenter, single-arm, open-label interventional pilot study aims to evaluate the short-term physiological effects of intravenous dexmedetomidine on sublingual microcirculation and vascular-waterfall…
- Conditions
- Septic Shock, Sepsis, Critical Illness
- Trial name
- DEX-MICRO (NCT07657715)
- Testing
- Dexmedetomidine Intravenous Infusion
- Where
- 2 sites in China
- Volunteers
- 20 people
- Sponsor
- First Affiliated Hospital of Wannan Medical College
Myocardial Blood Flow Reserve, Mechanical Dyssynchrony
Mechanical Dyssynchrony and Microvascular Dysfunction by SPECT
The project is aimed at studying the feasibility of mechanical dyssynchrony of the left ventricle of the heart, determined by SPECT (gated MPI), as well as its stress-induced dynamics, in the evaluation of patients with coronary…
- Conditions
- Myocardial Blood Flow Reserve, Mechanical Dyssynchrony, Coronary Arterial Disease (CAD)
- Trial name
- MD&MD (NCT06969547)
- Testing
- dynamic SPECT (two-day rest/stress protocol), gated myocardial perfusion imaging, blood sampling
- Where
- Russia
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Tomsk National Research Medical Center of the Russian Academy of Sciences
Myocardial Infarction
Evaluation of the Diagnostic Performance of Dynamic Myocardial Perfusion Scintigraphy in Comparison With Invasive Intracoronary FFR Measurement, in the Assessment of Significant Residual Coronary Stenosis After Acute Coronary Syndrome: Dyna-MI Pilot Study.
Dynamic 99mTc-Tetrofosmin CZT-SPECT myocardial perfusion imaging (MPI) is an advanced functional imaging technique giving important myocardial flow quantification added data in comparison with conventional MPI, especially in…
- Trial name
- Dyna-MI (NCT05940285)
- Testing
- Dynamic 99mTc-Tetrofosmin CZT-SPECT
- Where
- France
- Volunteers
- 60 people
- Sponsor
- Nantes University Hospital
Coronary Artery Disease
Effect of Garlic Tablet Some Indicators Related to Atherosclerosis
The purpose of this study is to determine whether garlic in adjunct to conventional medical treatment is effective in improving carotid intima media thickness (CIMT), Flow mediated dilation (FMD) and plasma lipid profile or…
- Trial name
- NCT01948453
- Testing
- Garlic
- Where
- Iran
- Volunteers
- 56 people
- Sponsor
- Shahid Beheshti University
Coronary Artery Disease
Monitoring and Characterization of Coronary Flow By Transthoracic Parametric Doppler (TPD) During Exercise Stress Test
The study is an open prospective study of coronary flow preferably of the left anterior descending artery (LAD), by a Transthoracic Parametric Doppler (TPD) system during conventional exercise stress test.
- Trial name
- NCT01089777
- Testing
- ultrasound Doppler monitoring
- Where
- Israel
- Volunteers
- 60 people
- Sponsor
- Echosense Ltd.
Aortic Stenosis Treated With TAVI, Sedation; Aged; Hemodynamics
High Flow Nasal Oxygenation in Transcatheter Aortic Valve Replacement Procedures. TAVR-Highflow II
Transcatheter aortic valve replacement (TAVR) has revolutionized the treatment of patients with aortic valve disease. TAVR is a less invasive treatment compared to the conventional surgical approach through median sternotomy.
- Trial name
- NCT07059728
- Testing
- Oxygen therapy during sedation provided via high nasal cannulae (60L/min at 60% FiO2), Oxygen therapy during sedation delivered via nasal cannulae at 5L/min
- Where
- Spain
- Volunteers
- 452 people
- Sponsor
- Hospital Clinic of Barcelona
ST Segment Elevation Myocardial Infarction
Early Prediction of QFR in STEMI-Pharmaco-invasice
The study intends to provide important data on whether the noval method using quantitative flow ratio could predict microvascular dysfunction.
- Trial name
- EARLYmyoQFR-PI (NCT04220736)
- Testing
- Computation of quantitative flow ratio
- Where
- China
- Volunteers
- 200 people
- Sponsor
- RenJi Hospital
Coronary Artery Disease
A Prospective Multicenter Real-World Registry of Quantitative Flow Ratio-Guided Coronary REvascularization and QuAlity evaLuation
This prospective, multicenter observational registry aims to establish a QFR-based quality control standard system for coronary revascularization in patients with coronary artery disease.
- Trial name
- QFR-REAL (NCT07766434)
- Where
- China
- Volunteers
- 10,000 people
- Sponsor
- China National Center for Cardiovascular Diseases
Coronary Stenosis, Myocardial Ischemia
Application of speCtraL Computed tomogrAphy to impRove specIficity of Cardiac compuTed tomographY
Cardiovascular disease remains the leading cause of morbidity and mortality worldwide. Coronary computed tomography angiography (CCTA) and, if indicated, invasively measured fractional flow reserve (FFR) is currently used for…
- Conditions
- Coronary Stenosis, Myocardial Ischemia, Cardiovascular Diseases
- Trial name
- CLARITY (NCT03139006)
- Testing
- Dual-layer spectral detector CT
- Where
- Netherlands
- Volunteers
- 75 people
- Sponsor
- UMC Utrecht
Coronary Artery Disease
CCTA and Dynamic CT Perfusion for the Diagnosis of Myocardial Ischemia in Patients With Coronary Stents
A single centre prospective trial in which patients with a prior PCI for stable CAD who are referred for invasive angiography will undergo state-of-the art CCTA and dynamic CT perfusion.
- Trial name
- PACIFIC-III (NCT04742933)
- Testing
- There is no intervention in this observational trial
- Where
- Netherlands
- Volunteers
- 140 people
- Sponsor
- Amsterdam UMC, location VUmc
Heart Failure, Gastrointestinal Bleeding
Efficacy of Omega-3 Fatty Acid Therapy in Preventing Gastrointestinal Bleeding in Patients With CF-LVAD
This study evaluates the efficacy of high-dose fish oil in decreasing rates of gastrointestinal bleeding in patients with continuous-flow left ventricular assist devices.
- Trial name
- NCT03784963
- Testing
- Omega 3 fatty acids
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- University of Chicago
Healthy, Healthy Participants
Acute Effects of Structured Exercise and Static Stretching on Vascular Function, Neuromuscular Performance, and Metabolic Regulation in Adults
This experimental study investigates the acute cardiovascular and vascular responses to a single session of resistance training, with and without additional static stretching, compared with a resting control condition.
- Conditions
- Healthy, Healthy Participants, Healthy Subjects (HS), Resistance Training Adaptation
- Trial name
- NCT07364149
- Testing
- Resistance Training, Resistance training + Static Stretching
- Where
- Italy
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- University of Palermo
ST Elevation Myocardial Infarction
Risk Characterization of Non-culprit Vessels in Patients Undergoing Primary PCI for ST-elevation MI in Multivessel Disease
Most heart attacks occur because a clot forms in a coronary artery blocking blood flow. Without blood heart muscle dies. Untreated, clots can cause a specific type of heart attack -ST-elevation myocardial infarction (STEMI).
- Trial name
- PICNIC (NCT06506448)
- Testing
- CT Coronary Angiography
- Where
- 3 sites in United Kingdom
- Volunteers
- 320 people
- Sponsor
- University Hospital Southampton NHS Foundation Trust
Chronic Heart Failure
Blood Flow Restriction Training in Chronic Heart Failure: an Effective Training Strategy?
The purpose of this current study proposal is to identify the potential physiological adaptations arising from a combined BFR+HIIT training intervention in CHF patients.
- Trial name
- BFR-CHF (NCT03342833)
- Testing
- Blood flow restriction
- Where
- United Kingdom
- Volunteers
- 25 people
- Sponsor
- University of Leeds
Coronary Artery Disease
FFR Versus IVUS With Angiography-Derived FFR for Clinical Outcomes in Patients With Coronary Artery Disease
To compare the clinical outcomes of fractional flow reserve (FFR)-guided strategy versus intravascular ultrasound (IVUS)-guided stent implantation after angiography-derived FFR-based decision-making.
- Trial name
- FLAVOUR III (NCT06218485)
- Testing
- Intravascular ultrasound-guided stent implantation after angiography-derived FFR-based decision-making, Fractional flow reserve-guided PCI strategy
- Where
- 32 sites in China, South Korea
- Volunteers
- 1,942 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
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