Clinical trials: Cardiac Flow
Coronary Angiography, Drug-eluting Stents
Proper Fractional Flow Reserve Criteria for Intermediate Lesions in the Era of Drug-eluting Stent
Angiographic evaluation for intermediate lesions is not always accurate. Fractional flow reserve-guided deferral strategy for these lesions showed the same event rate as routine intervention strategy.
- Conditions
- Coronary Angiography, Drug-eluting Stents, Fractional Flow Reserve, Myocardial
- Trial name
- DEFER-DES (NCT00592228)
- Testing
- Cypher, Taxus or Endeavor
- Where
- South Korea
- Volunteers
- 250 people
- Sponsor
- Seoul National University Hospital
Coronary Artery Disease, Microvascular Angina
Coronary Thermo-dilution Derived Flow-indices in Chronic Coronary Syndrome
Patients scheduled for elective coronary angiography due to chronic coronary syndrome are recruited at admission to hospital before the coronary anatomy is known.
- Conditions
- Coronary Artery Disease, Microvascular Angina, Coronary Microvascular Dysfunction
- Trial name
- NCT06306066
- Where
- Sweden
- Volunteers
- 505 people
- Sponsor
- Karolinska Institutet
Cardiovascular Diseases
Cardiac Rehab and Cerebral Blood Flow Study
This study is being done to better understand the influence of cardiovascular disease on brain blood flow regulation and cognitive function, determine whether exercise-based cardiac rehabilitation can lead to better regulation of…
- Trial name
- NCT05012878
- Testing
- Cardiac rehabilitation - high intensity interval training (HIIT), Cardiac rehabilitation - moderate intensity continuous training (MICT), Cardiac rehabilitation - control
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Coronary Artery Disease
xSPECT-based Myocardial Perfusion Scintigraphy: Consistency of Functional Values and Feasibility of Myocardial Uptake Quantitation in Patients With Suspected Coronary Artery Disease
This study is to evaluate the feasibility of myocardial Standardized Uptake Volume (SUV) assessment by means of X- (Single photon emission tomography) SPECT/Computed tomography (CT), to assess normal reference value under rest…
- Trial name
- xSPECT MPI (NCT04583787)
- Testing
- 99mTc-sestamibi myocardial perfusion SPECT, 82Rb-Chloride myocardial perfusion PET with CCTA
- Where
- Switzerland
- Volunteers
- 52 people
- Sponsor
- University Hospital, Basel, Switzerland
Obstructive Sleep Apnea, Hypertension
Effect of Selective and Nonselective Cyclooxygenase Enzyme Inhibition on Arterial Blood Pressure and Cerebral Blood Flow With Exposure to Intermittent Hypoxia in Humans
The study has been designed to assess the effect of cyclooxygenase inhibition on blood pressure, cerebral blood flow, ventilation and renal hemodynamics following chronic intermittent hypoxia exposure.
- Conditions
- Obstructive Sleep Apnea, Hypertension, Cardiovascular Diseases, Stroke
- Trial name
- NCT01280006
- Testing
- Intermittent hypoxia, Indomethacin, Celecoxib
- Where
- Canada
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Calgary
Perfusion Imaging, MRI
MRI Perfusion Imaging at 3Tx Compared to Invasive FFR Measurements
Coronary artery disease (CAD) has a great significance concerning prevalence and mortality in the western world. It is usually diagnosed by catheterization and coronary arteries are visually assessed by the examiner.
- Conditions
- Perfusion Imaging, MRI, Myocardial Fractional Flow Reserve, Myocardial Ischemia
- Trial name
- Vision MRT (NCT01277055)
- Where
- Germany
- Volunteers
- 150 people
- Sponsor
- Heart Center Bogenhausen
Multivessel Coronary Artery Disease, Acute Coronary Syndrome
Revascularization Strategies in Patients With Non-ST-Segment Elevation Acute Coronary Syndrome (NSTE-ACS) and Severe Coronary Artery Disease
MILESTONE STUDY is dedicated to problems connected with patients with multivessel coronary artery disease and/or with left main narrowing who present symptoms of acute ischemia.
- Trial name
- MILESTONE (NCT01311323)
- Testing
- PCI, CABG
- Where
- 9 sites in Poland
- Volunteers
- 1,000 people
- Sponsor
- American Heart of Poland
Abnormalities, Hyperlipidemia
Study of the Effects of Blackcurrant Extract and Omega-3 Fats on the Health of the Heart and Blood Vessels
Background: Heart disease is the leading cause of death in the United States. Eating fruits and vegetables with chemicals called flavonoids may protect against heart disease and improve blood flow to the heart.
- Conditions
- Abnormalities, Hyperlipidemia, Cardiovascular Disease, Arteriosclerosis
- Trial name
- NCT02019680
- Volunteers
- healthy volunteers welcome
- Sponsor
- National Institute of Nursing Research (NINR)
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
Severe Traumatic Brain Injury With High Cerebral Pressure
Impact of Cardiac Blood Flow on Cerebral Blood Flow in Patients With Severe Traumatic Brain Injury
Severe traumatic brain injury with increased intracranial pressure can lead to decreased cerebral blood flow. Low cerebral blood flow is responsible for secondary lesions, leading to bad prognosis.
- Trial name
- DEBITC (NCT02019810)
- Testing
- Norepinephrine, Dobutamine and norepinephrine
- Where
- France
- Volunteers
- 20 people
- Sponsor
- University Hospital, Grenoble
Prone Position, Cardiac Output
Effect of Prone Position on Liver Blood Flow and Function
Recent occurrence of significant post-operative liver impairment at Nottingham University Hospitals NHS Trust has prompted investigation into whether interaction between general anaesthesia and prone positioning (lying face down)…
- Conditions
- Prone Position, Cardiac Output, Liver Circulation
- Trial name
- PLiF (NCT01781260)
- Where
- United Kingdom
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of Nottingham
Cardiogenic Shock
Optimal ECMO Flow in the Critical Phase of Cardiogenic Shock to Optimize Peripheral Organ Perfusion and Myocardial Stress
Veno-arterial ECMO (VA ECMO) is considered the ultimate lifesaving technique in refractory cardiogenic shock (CS). However, VA ECMO is associated with potentially serious adverse effects and complications.
- Trial name
- ECMO-FLOW (NCT06936839)
- Testing
- Obversation
- Where
- France
- Volunteers
- 55 people
- Sponsor
- University Hospital, Montpellier
Coronary Artery Disease
The Implementation of Intravascular Ultrasound and Fractional Flow Reserve in the Percutaneous Treatment of Very Long Coronary Artery Lesions
A single center, prospective, observational study to investigate the impact of intravascular ultrasound (IVUS) on the functional percutaneous coronary intervention (PCI) result (assessed with fractional flow reserve (FFR)) and…
- Trial name
- NCT05621421
- Testing
- FFR and IVUS guided PCI
- Where
- Lithuania
- Volunteers
- 80 people
- Sponsor
- Vilnius University Hospital Santaros Klinikos
Coronary Artery Disease (CAD)
Micro-axial Flow Pump-Supported PCI in Complex Coronary Artery Disease With Ischemic LV Dysfunction
Based on a multi-center randomized controlled study, this research aims to evaluate the efficacy and safety of interventional therapy supported by the CorVad percutaneous left ventricular assist system (Micro-axial Flow Pump） for…
- Trial name
- PIVOT (NCT07678021)
- Testing
- Microaxial pump-supported PCI, Optimal medical therapy (OMT)
- Where
- China
- Volunteers
- 452 people
- Sponsor
- China National Center for Cardiovascular Diseases
Chronic Total Occlusion of Coronary Artery
To Evaluate Whether IVUS-guided Drug-eluting Stent (DES) Implantation Leads to Better Clinical Outcomes Compared to Conventional Angiography in the Treatment of Chronic Complete Occlusion (CTO) Disease.
This study aims to evaluate the treatment of Chronic total occlusion (CTO) disease. Whether Intravascular Ultrasonography (IVUS) guiding the implantation of drug-eluting stents (DES) will provide better long-term clinical…
- Trial name
- CRUISE-CTO (NCT04944615)
- Testing
- The guidewire successfully passed the CTO lesion
- Where
- China
- Volunteers
- 1,448 people
- Sponsor
- CCRF Inc., Beijing, China
Patent Foramen Ovale, Intrapulmonary Arteriovenous Anastamosis
Is Blood Flow Through IPAVA and PFO Related to Breath-hold and SCUBA Diving-induced Pulmonary Hypertension?
In summary, the investigators propose to study elite Croatian breath-hold and SCUBA divers. The investigators will quantify breath-hold hypoxia- and SCUBA diving-induced pulmonary hypertension and right heart function to…
- Trial name
- NCT03945643
- Testing
- Sildenafil
- Where
- United States
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- University of Oregon
Heart Failure
Early Feasibility Study of the Edwards APTURE Transcatheter Shunt System
The objectives of this early feasibility study are to: evaluate initial clinical safety, device functionality, and effectiveness of the APTURE system for treatment of symptomatic HFrEF patients with elevated LAP, provide guidance…
- Trial name
- ALT-FLOW HFrEF (NCT07858799)
- Testing
- Edwards APTURE transcatheter shunt system
- Where
- 3 sites in Germany
- Volunteers
- 15 people
- Sponsor
- Edwards Lifesciences
ST Segment Elevation Myocardial Infarction
Instantaneous Wave-Free Ratio and Fractional Flow Reserve for the Assessment of Non Culprit Lesions in Patients With ST-segment Elevation Myocardial Infarction
Functional assessment of non-culprit lesions during percutaneous coronary intervention (PCI) in patients with acute coronary syndrome could improve risk stratification and shorten the duration of hospital stay by decreasing the…
- Trial name
- WAVE (NCT02869906)
- Testing
- FFR and iFR
- Where
- Italy
- Volunteers
- 60 people
- Sponsor
- Azienda Ospedaliera San Camillo Forlanini
Athlete Heart
Interaction Between Intraventricular Flow and Cardiac Mechanics Using 3D Echocardiography in Athletes and Sedentary Subjects
Exercise-induced cardiac remodeling, known as the "athlete's heart," corresponds to morphological and functional adaptations of the left ventricle in response to prolonged physical training.
- Trial name
- CARDIO-3D (NCT07363993)
- Where
- 2 sites in France
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- University of Avignon
Cardiac
Blood Flow Restriction Resistance Exercise and Cardiac Cycle Dynamics
Blood flow restriction resistance exercise uses partial vascular occlusion of a limb during low weight resistance exercises to stimulate muscle strengthening and growth. This is commonly used during rehabilitation from an injury.
- Trial name
- NCT07344740
- Testing
- Blood flow restriction resistance exercise
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Montclair State University
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