Clinical trials: Cardiac Flow
Pregnancy, Smart Phone Addiction
Effects of Smartphone Addiction to Fetal Parameters in Pregnancy
This prospective cohort study investigates the relationship between smartphone addiction and fetal health parameters at the third trimester of pregnancy.
- Trial name
- ESAFPP (NCT07271680)
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- Antalya Training and Research Hospital
Coronary Artery Disease, Coronary Stenosis
Transit Time Flow Measurement in Coronary Surgery
Transit-time flowmetry (TTFM) allows grafts quality control during coronary artery bypass surgery by measuring the flow volume through them.
- Conditions
- Coronary Artery Disease, Coronary Stenosis, Coronary Bypass Graft Stenosis
- Trial name
- COLLATERAL (NCT06471062)
- Where
- Italy
- Volunteers
- 135 people, healthy volunteers welcome
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Chronic Coronary Syndrome
Intracoronary ECG ST-segment Shift Remission Time During Reactive Coronary Hyperemia
This study evaluates a new diagnostic approach based on intracoronary electrocardiogram (icECG) ST-segment shift remission time, denoted as τ-icECG (τ=tau, i.e., the remission half-time fitted by an exponential function to the…
- Trial name
- τ-icECG (NCT05583786)
- Testing
- Tracing intracoronary electrocardiogram
- Where
- Switzerland
- Volunteers
- 120 people
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Heart Septal Defects, Ventricular, Atrioventricular Septal Defect
Aberrations in Carnitine Homeostasis in Congenital Heart Disease With Increased Pulmonary Blood Flow
Infants with congenital heart disease and increased pulmonary blood flow have altered carnitine homeostasis that is associated with clinical outcomes; and L-carnitine treatment will attenuate these alterations and improve…
- Trial name
- L-carn (NCT01825369)
- Testing
- IV L-carnitine
- Where
- United States
- Sponsor
- University of California, San Francisco
Ischemic Heart Disease
Multicenter Registry for Angiography-Derived Quantitative Flow Ratio
1. to investigate the feasibility and diagnostic performance of contrast quantitative flow ratio (QFR) for identifying the functional significance of intermediate degree stenotic lesions in all-comer patients with coronary artery…
- Trial name
- QFRRegistry (NCT03791788)
- Testing
- QFR assessment
- Where
- 5 sites in South Korea
- Volunteers
- 524 people
- Sponsor
- Samsung Medical Center
Hypertension,Essential
Association Between Coronary Flow Reserve and BH4 Levels in High CV Risk
To determine if there is a relationship between coronary flow reserve (CFR) and platelet/plasma BH2 and BH4 levels in patients with high cardiovascular risk .
- Trial name
- NCT03841383
- Testing
- Echo stress dipyridamole
- Where
- 2 sites in Italy
- Volunteers
- 55 people
- Sponsor
- IRCCS San Raffaele
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
Coronary Artery Disease, Echocardiography, Stress
New Three-dimensional Methods of Analysis for the Detection of Coronary Artery Disease by Dobutamine Stress Echocardiography
The investigators are going to recruit patients who have a scheduled elective coronary angiography and going to do a dobutamin stress echography (DSE) before the coronary examination.
- Trial name
- 3-DSE (NCT02240745)
- Testing
- Stress-echocardiography
- Where
- Switzerland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Atrial Fibrillation
A Study of the THERMOCOOL SMARTTOUCH Surround Flow (SF) Catheter With the TRUPULSE Generator for Treatment of Drug Refractory Symptomatic PAFOUS
The purpose of this study is to demonstrate safety and effectiveness of the Biosense Webster (BWI) ablation system (THERMOCOOL SMARTTOUCH surround flow [STSF] catheter and TRUPULSE generator) when used for isolation of the atrial…
- Trial name
- PulseSmart (NCT06272981)
- Testing
- Pulsed Field (PF) /Radiofrequency (RF) Catheter ablation
- Where
- 7 sites in Australia, Canada
- Volunteers
- 136 people
- Sponsor
- Biosense Webster, Inc.
Heart-Assist Devices, Heart Failure
Individual Blood Pressure Optimization Based on Cerebral Autoregulation After Implantation of Continuous-flow LVAD
This study will collect retrospective and prospective clinical data regarding the Principal Investigator's patient population to allow for data analysis seeking basic trends and to prepare academic reports, including journal…
- Trial name
- NIRS (NCT03093012)
- Where
- United States
- Volunteers
- 69 people
- Sponsor
- Baylor College of Medicine
ST-Elevation Myocardial Infarction
Brasilia Heart Study
BHS is a cohort study of consecutive myocardial infarction (MI) patients admitted within the first 24 hours of symptoms and has been ongoing since May of 2006.
- Trial name
- BHS (NCT02062554)
- Where
- Brazil
- Volunteers
- 1,000 people
- Sponsor
- University of Campinas, Brazil
Angina Pectoris
Angina, Physiology, Biology (ANgina, FIsiologia BIOlogia)
Relationship between invasive physiological assessment with FFR and IMR and biological markers as micro-RNA's according to coronary vascular compartiment affected (Group 1: Macrovasculature + / Microvasculature +; Group 2…
- Trial name
- ANFIBIO (NCT05374694)
- Testing
- Physiological invasive coronary evaluation
- Where
- Spain
- Volunteers
- 100 people
- Sponsor
- Hospital Arnau de Vilanova
End Stage Heart Failure
Sildenafil for the Prevention of Right Heart Failure Following LVAD Implantation
Continuous-flow left ventricular assist devices (LVAD) move blood from the left ventricle (the largest chamber of the heart) to the aorta (the body's main artery) to help the heart better meet the needs of the body and to improve…
- Trial name
- NCT03356353
- Testing
- Sildenafil Citrate
- Where
- 4 sites in Canada
- Volunteers
- 24 people
- Sponsor
- University of Calgary
Cognitive Impairment, Older People--Abuse of
Pre- and Post TAVI Cognitive Functioning and Intraoperative Carotid Flow Measurements
Purpose: 1. Measuring and optimize the usability of the BAMCOG (games to measure cognitive functioning) 2. Concurrent validation of BAMCOG with MoCA to see if BAMCOG can serve as a monitoring instrument/screener 3.
- Conditions
- Cognitive Impairment, Older People--Abuse of, Aortic Stenosis, Severe
- Trial name
- NCT05813353
- Where
- Netherlands
- Volunteers
- 54 people
- Sponsor
- Catharina Ziekenhuis Eindhoven
Congenital Heart Disease
Coronary Artery Assessement by TEE in Congenital Heart Disease
This study aims to establish normal coronary artery pulse Doppler flow patterns and velocities using transoesophageal echocardiography (TEE) in patients with a variety of congenital heart disease.
- Trial name
- NCT04194502
- Testing
- Transesophageal echocardiogram (TEE)
- Where
- Canada
- Volunteers
- 118 people
- Sponsor
- The Hospital for Sick Children
Aortic Valve Stenosis
CPX in Paradoxical Low Flow Aortic Stenosis
Severe aortic stenosis is a condition with poor life expectancy once it becomes symptomatic. There are no prospective studies illustrating the utility of cardiopulmonary stress (CPX) testing in diagnosing and prognosticating…
- Trial name
- NCT05481814
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Henry Ford Health System
Coronary Artery Disease
Determination of Instantaneous Wave-Free Ratio by Computed Tomography
The iFRCT study is a prospective, multicenter study to evaluate the diagnostic performance of iFRCT with the use of ≥64-detector row CT scanners for the detection and exclusion of significant obstructive coronary artery disease…
- Trial name
- iFRCT (NCT01747031)
- Testing
- PressureWire™ Certus(St. Jude Medical Systems, Sweden)
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Shanghai 10th People's Hospital
Diagnosis Coronary Artery Disease
Diagnostic Performances of Computed TomographIc Coronary Angiography and Intravascular Ultrasound
Diagnostic purposes of the coronary angiography is to detect stenosis (anatomy) and to detect ischemia related stenosis (function). Coronary angiography (CAG) is a gold standard invasive techniques, but has several limitations.
- Trial name
- IMAGES-FFR (NCT01400230)
- Testing
- diagnostic procedures CCTA, CAG, IVUS and FFR
- Where
- South Korea
- Volunteers
- 150 people
- Sponsor
- Seoul National University Hospital
Long COVID
Non-invasive Treatment for Long COVID (Post COVID-19 Condition) Brain Fog
This study aims to assess the effects of both acute and chronic exposures to hypoxia and hypercapnia in patients with Long COVID syndrome.
- Trial name
- NCT06614309
- Testing
- Acute Progressive Carbon Dioxide, Acute Intermittent Hypoxia, Training: Progressive Carbon Dioxide Ramping
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- Mayo Clinic
Angina Pectoris, Acute Myocardial Infarction
Evaluation of iFR vs FFR in Stable Angina or Acute Coronary Syndrome
Previous trials have demonstrated that the use of physiological assessment of stenosis severity using fractional flow reserve (FFR) is superior to angiographic assessment in percutaneous coronary intervention (PCI) and improves…
- Trial name
- iFR Swedeheart (NCT02166736)
- Testing
- iFR, FFR
- Where
- 14 sites in Denmark, Iceland and 1 more
- Volunteers
- 2,037 people
- Sponsor
- Uppsala University
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