Clinical trials: Cardiac Flow
Diabetes Mellitus, Kidney, CPB
Kidney Function in Diabetics During CPB (Cardio Pulmonary Bypass)
Filtration of urine in the kidney requires sufficient oxygen supply. The filtration of urine is greater in patents with diabetes.
- Trial name
- DM-ECC (NCT03405532)
- Testing
- DM-ECC
- Where
- Sweden
- Volunteers
- 30 people
- Sponsor
- Sahlgrenska University Hospital
Hemodynamics Instability, Arrhythmias Cardiac
Low and Moderete Flow Anaesthesia on Haemodynamics
The study topic investigates the potential advantages of low-flow anesthesia in terms of physiological protection and resource saving.
- Conditions
- Hemodynamics Instability, Arrhythmias Cardiac, Cerebral Oxygenation
- Trial name
- NCT06871371
- Testing
- Sevoflurane (Volatile Anesthetic), low- medium flow anesthetic machine
- Where
- Turkey (Türkiye)
- Volunteers
- 76 people
- Sponsor
- Umraniye Education and Research Hospital
Fetal Growth Retardation
Fetal Heart Rate Variability and Fetal Growth Restriction
There is growing evidence in the field of fetal heart rate variability revealing the fetal neurological state. Furthermore, fetal heart rate variability has shown potential as fetal surveillance in fetal growth restriction.
- Trial name
- (FGR) (NCT04288037)
- Testing
- fetal heart rate variability
- Where
- Denmark
- Volunteers
- 40 people
- Sponsor
- University of Aarhus
Atrial Fibrillation, Thrombosis
Association of Genetic Polymorphisms With Atrial Fibrosis and Thrombogenic Substrate in Patients With Non-valvular Atrial Fibrillation
Atrial fibrillation (AF) is the most frequently encountered cardiac arrhythmia. Emerging data suggests that common genetic variants are associated with the development of AF.
- Conditions
- Atrial Fibrillation, Thrombosis, Stroke, Genetic Predisposition
- Trial name
- ANATOLI-AF (NCT03560219)
- Testing
- Biomarkers, Cardiac Magnetic Resonance Imaging, Echocardiography, Flow Mediated Dilatation, Genetic Analysis
- Volunteers
- 225 people
- Sponsor
- Memorial Ankara Hospital
Congenital Disorders
Review of Descending Aortic Flow Reversal in Total Anomalous Pulmonary Venous Connection
This is a retrospective review of charts and echocardiograms of our patients with Total Anomalous Pulmonary Venous Connection (TAPVC).
- Trial name
- NCT00486070
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Children's Healthcare of Atlanta
Congenital Heart Surgery, Cardiopulmonary Bypass
Use of Phenoxybenzamine [PBZ] IV to Assist High Flow Low Pressure Perfusion [HFLPP] on Cardio-pulmonary Bypass
Cardiopulmonary bypass [CPB] in small size bodies can result in decreased peripheral perfusion. This results in anaerobic metabolism as evidenced by lactic acidosis.
- Trial name
- NCT00620945
- Testing
- Phenoxybenzamine
- Volunteers
- 87 people
- Sponsor
- The Cleveland Clinic
Ischemic Heart Disease
Association Between IVUS and OCT Parameters and Invasive Physiologic Indices
1. to evaluate diagnostic accuracy and performance of IVUS and OCT-derived quantitative parameters to predict functional significance of stenosis defined using all the available physiologic indices. 2.
- Trial name
- NCT03795714
- Testing
- IVUS or OCT and Invasive physiologic indices
- Where
- 2 sites in South Korea
- Volunteers
- 166 people
- Sponsor
- Seoul National University Hospital
Cardiac Arrest (CA)
Effect of AED-optimized Telephone-assisted CPR Instructions on No-flow Time and Chest Compression Fraction
Out-of-hospital cardiac arrest (OHCA) remains a leading cause of mortality worldwide, with survival highly dependent on the immediate initiation of bystander cardiopulmonary resuscitation (CPR).
- Trial name
- NCT07520877
- Testing
- T-CPR, AED-optimized T-CPR
- Where
- Hungary
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Pecs
Coronary Artery Dissection, Spontaneous
Statin and Angiotensin-converting Enzyme Inhibitor on Symptoms in Patients With SCAD
An emerging cause of heart attack in young women is a dissection (or tear) in the coronary arteries. Many of these young women continue to have chest pain long after the tear has healed and this is thought to be due to problems…
- Trial name
- SAFER-SCAD (NCT02008786)
- Testing
- ramipril, rosuvastatin
- Where
- Canada
- Volunteers
- 18 people
- Sponsor
- Cardiology Research UBC
Coronary Artery Disease
Effect of BNP (Brain Natriuretic Peptides) on Endothelial Dysfunction Induced by Coronary Angioplasty
Patients receiving BNP or nitroglycerin (IV) during the angioplasty procedure. 24 h after the procedure, vascular reactivity will be re-examined using the brachial artery flow-mediated dilatation study.
- Trial name
- NCT00262574
- Testing
- Nesiritide,
- Where
- Israel
- Volunteers
- 500 people
- Sponsor
- The Baruch Padeh Medical Center, Poriya
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, Chest Syndrome
CT Stress Myocardial Perfusion, Fractional Flow Reserve and Angiography in Patients With Stable Chest Pain Syndromes
The purpose of the DYNAMITE trial (Dynamic CT stress myocardial perfusion, CT fractional flow reserve (FFR-CT) and coronary CT angiography for optimized treatment strategy in patients with chest pain syndromes) is to determine…
- Conditions
- Coronary Artery Disease, Chest Syndrome, Acute Myocardial Infarction, Heart Failure
- Trial name
- DYNAMITE (NCT04709900)
- Testing
- CT angiography, FFR-CT and stress CT myocardial perfusion
- Where
- Denmark
- Volunteers
- 2,000 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Heart Defects, Congenital
The Management of Systemic-Pulmonary Collateral Blood Flow in Cyanotic Children During Cardiopulmonary Bypass - Pilot Study
The purpose of the study is to determine whether it is possible to manage the flow of blood through blood vessels using varying levels of carbon dioxide during cardiac surgery, and what effect this has on how well the major…
- Trial name
- NCT02358382
- Testing
- pH Stat
- Where
- United Kingdom
- Volunteers
- 20 people
- Sponsor
- Great Ormond Street Hospital for Children NHS Foundation Trust
Peripheral Arterial Disease, Critical Limb Ischemia (CLI)
Pressure (Fractional Flow Reserve) and Flow (Vascular Flow Reserve) Measurements During Peripheral Arterial Interventions
Fractional Flow Reserve (FFR) and Coronary Flow Reserve (CFR) have been originally developed for physiological assessment of coronary artery disease and may hold potential in the management of Peripheral Arterial Disease (PAD) as…
- Trial name
- FLOW-PAD (NCT07052435)
- Where
- Greece
- Volunteers
- 100 people
- Sponsor
- Dr. Konstantinos Katsanos
Single Ventricle Defect
Cerebral Blood Flow in Single Ventricles Throughout Staged Surgical Reconstruction
This study seeks to determine cerebral blood flow changes in single ventricle patients during staged surgical reconstruction as compared with normal children.
- Trial name
- CBF (NCT02135081)
- Where
- United States
- Volunteers
- 260 people
- Sponsor
- Children's Hospital of Philadelphia
Multivessel Coronary Artery Disease
Clinical Implication of 3-vessel Fractional Flow Reserve (FFR)
This study will evaluate the influence of total atherosclerotic burden assessed by 3-vessel fractional flow reserve (FFR) on the clinical outcomes of the patients with multi-vessel disease.
- Trial name
- NCT01621438
- Where
- 20 sites in China, Japan and 3 more
- Volunteers
- 1,136 people
- Sponsor
- Seoul National University Hospital
Coronary Artery Disease, Acute Coronary Syndrome
Fractional FLOw Reserve In Cardiovascular DiseAses
The FLORIDA (Fractional FLOw Reserve In cardiovascular DiseAses) study sought to investigate outcomes of FFR-guided versus angiography-guided treatment strategies in a large, real-world cohort.
- Trial name
- FLORIDA (NCT04597489)
- Testing
- Fractional flow reserve, Angiography-only
- Where
- Germany
- Volunteers
- 64,045 people
- Sponsor
- LinkCare GmbH
Coronary Artery Disease, Myocardial Ischemia
Comparison of Hyperemic Efficacy Between Nicorandil and Adenosine for Fractional Flow Reserve (FFR) Measurement
The purpose of this study is to evaluate the efficacy of nicorandil in the achievement of maximal coronary hyperemia compared with adenosine.
- Trial name
- NCT01331902
- Testing
- Maximal Hyperemia with Adenosine Followed by Nicorandil, Maximal Hyperemia with Nicorandil Followed by Adenosine
- Where
- South Korea
- Volunteers
- 200 people
- Sponsor
- Seoul National University Hospital
Healthy
Estrogen Alternatives Study
Healthy postmenopausal women not currently taking hormone replacement or hormone modulating therapy take a 3-month course of estradiol/raloxifene/placebo to evaluate the effects of each on vascular function, as indicated by PET…
- Trial name
- NCT00108238
- Testing
- Estradiol followed by progesterone, Raloxifene
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Coronary Disease, Healthy
Study of Blood Flow in Heart Muscle
Blood flows to areas of the heart providing oxygen and fuel to the pumping muscle. Occasionally the arteries providing the fuel can become blocked. This occurs in coronary artery disease.
- Conditions
- Coronary Disease, Healthy, Hypertrophic Cardiomyopathy, Myocardial Ischemia
- Trial name
- NCT00001631
- Testing
- Magnetic resonance imaging
- Where
- United States
- Volunteers
- 249 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)