Clinical trials: Cardiac Flow
Acute Kidney Injury, Fluid Overload
Ultrasound Markers of Organ Congestion in Severe Acute Kidney Injury
Fluid overload is associated with adverse outcomes in patients with severe acute kidney injury. It remains unclear if fluid overload is merely a marker of disease severity or if organ congestion is a mediator of complications.
- Conditions
- Acute Kidney Injury, Fluid Overload, Ultrasonography
- Trial name
- ECHO-AKI (NCT04095143)
- Testing
- Portal vein flow, Intra-renal flow, Hepatic vein flow
- Where
- 6 sites in United States, Canada
- Volunteers
- 125 people
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Coronary Arterial Disease (CAD), Angina (Stable)
The Effect of Sublingual Nitroglycerin on Absolute Coronary Blood Flow
The goal of this clinical trial is to investigate the effect of sublingual nitroglycerin on absolute coronary blood flow in adult patients undergoing coronary angiography.
- Trial name
- FLOW-NITRO (NCT06823843)
- Testing
- Glycerin trinitrate (GTN)
- Where
- Belgium
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- VZW Cardiovascular Research Center Aalst
STEMI - ST Elevation Myocardial Infarction
Coronary Microcirculation Assessment After Primary Angioplasty in Myocardial Infarction
In the management of acute myocardial infarction treated with primary angioplasty, despite effective epicardial clearance obtained in 95% of cases, microvascular obstruction (MVO) in the damaged territory concerns 50% of…
- Trial name
- NATHANAEL (NCT04542889)
- Testing
- Absolute coronary flow and resistance measurements, IMR measurement
- Where
- France
- Volunteers
- 31 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Respiratory Failure, Pneumothorax
Driving Pressure And EFL in Adult Cardiac Surgery
During general anesthesia, functional residual capacity (FRC) is reduced. If the FRC is lower than the minimum volume required to maintain the opening of the airways, there is a derecruitment of the lung parenchyma, leading to…
- Conditions
- Respiratory Failure, Pneumothorax, Atelectasis, Respiratory Infection
- Trial name
- NCT03064659
- Where
- Italy
- Volunteers
- 200 people
- Sponsor
- Ospedale San Raffaele
Congestive Heart Failure Chronic
Evaluating the Clinical Efficacy of Resveratrol in Improving Metabolic and Skeletal Muscle Function in Patients With Heart Failure
This is a randomized, double-blind, placebo-controlled trial evaluating the effect of resveratrol on metabolic and skeletal muscle function.
- Trial name
- REV-HF (NCT03525379)
- Testing
- Resveratrol
- Where
- Canada
- Volunteers
- 13 people
- Sponsor
- University of Alberta
Postoperative Delirium, Heart Valve Diseases
Transcranial Doppler and Artificial Intelligence Prediction of Postoperative Delirium in Heart Valve Surgery
Postoperative delirium is a frequent complication after cardiac surgery. This prospective observational study will evaluate whether cerebral blood flow velocity measured by transcranial Doppler before and during elective heart…
- Trial name
- NCT07858578
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people
- Sponsor
- Osman Sila Aydin
Percutaneous Transluminal Coronary Angioplasty
Effect of FFR Guided Percutaneous Coronary Intervention in Coronary Tandem Lesions
The purpose of this study is to evaluate the effect of FFR (Fractional flow reserve) guided Percutaneous Coronary Intervention in coronary tandem lesions.
- Trial name
- IRISFFRTandem (NCT02797561)
- Testing
- 5 year Follow-up
- Where
- 12 sites in South Korea
- Volunteers
- 438 people
- Sponsor
- Seung-Jung Park
Low-Flow, Low-Gradient Aortic Stenosis
Anatomic Stenosis Severity as a Prognostic Marker in Patients With Low-Flow Low-Gradient Aortic Stenosis Undergoing TAVI
The ATLAS TAVI Registry is a retrospective, investigator-initiated, multicenter registry including patients, who underwent Transcatheter Aortic Valve Implantation (TAVI) for classical or paradoxical low-flow, low-gradient aortic…
- Trial name
- ATLAS TAVI (NCT04914481)
- Where
- 11 sites in Canada, Denmark and 5 more
- Volunteers
- 1,500 people
- Sponsor
- Universitätsklinikum Hamburg-Eppendorf
Atherosclerosis, Coronary
Validation of a Computed Tomography (CT) Based Fractional Flow Reserve (FFR) Software Using the 320 Detector Aquilion ONE CT Scanner.
Coronary Computed Tomography Angiography (CCTA) contrast opacification gradients and FFR-CT estimation can aid in the severity estimation of significant atherosclerotic lesions.
- Trial name
- NCT03149042
- Testing
- CCTA
- Where
- United States
- Volunteers
- 75 people
- Sponsor
- State University of New York at Buffalo
Coronary Artery Disease, Percutaneous Coronary Intervention
Comparison of Fractional FLOW Reserve Outcomes With Drug-Coated Balloon-Based Versus Drug-Eluting Stent-Only Percutaneous Coronary Intervention Strategies
The goal of this clinical trial is to find out whether a treatment strategy based on a drug-coated balloon (DCB) achieves coronary artery function at 6 months that is not worse than a strategy using only drug-eluting stents (DES)…
- Conditions
- Coronary Artery Disease, Percutaneous Coronary Intervention, Drug Coated Balloon, Drug Eluting Stents (DES)
- Trial name
- FLOW-DCB (NCT07852689)
- Testing
- Drug-coated balloon-based intervention, Drug-eluting stent-based intervention
- Where
- 4 sites in South Korea
- Volunteers
- 100 people
- Sponsor
- Korea University Guro Hospital
Aortic Valve Disease, Aortic Aneurysm
Implementation of Non-size Markers Derived From 4D Flow MRI of Patients With Aortic Disease.
The aim of the investigator is to implement 4D FLOW MRI technique into a clinical setting and evaluate the blood flow pattern and wall sheer stress in patients with aortic and/or aortic valve diseases.
- Trial name
- NCT02467062
- Testing
- MRI
- Where
- Belgium
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Universitair Ziekenhuis Brussel
Heart Failure Low Output, Heart Failure
The Prelieve Trial - Pilot Study to Assess Safety and Efficacy of a Novel Atrial Flow Regulator (AFR) in Heart Failure Patients
This study aims to investigate safety and efficacy of the Occlutech® AFR device in patients with HFrEF (Heart failure with reduced ejection fraction) and HFpEF (Heart failure with preserved ejection fraction)
- Trial name
- PRELIEVE (NCT03030274)
- Testing
- Occlutech AFR device
- Where
- 26 sites in Belgium, Germany and 1 more
- Volunteers
- 106 people
- Sponsor
- Occlutech International AB
Aortic Valve Stenosis, Coronary Artery Disease
Evaluation of Fractional Flow Reserve Calculated by Computed Tomography Coronary Angiography in Patients Undergoing TAVR
The objective of this study is to evaluate the relationship between fractional flow reserve (FFR) derived from coronary computed tomography angiography (FFRct) before transcatheter aortic valve replacement (TAVR) and FFR after…
- Trial name
- FORTUNA (NCT03665389)
- Testing
- iFR / FFR measurement
- Volunteers
- 25 people
- Sponsor
- Kobe University
Patent Foramen Ovale
Does Patent Foramen Ovale Closure Improve Exercise Capacity & Prevent Blood Flow Through Intrapulmonary Shunt
The overarching goal of this study is to examine cardiopulmonary and respiratory physiology pre and post PFO/ASD closure in patients who are undergoing surgical closure of their PFO/ASD.
- Trial name
- PFO CLOSE (NCT03904290)
- Testing
- PFO Closure
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- University of Oregon
Coronary Stenosis
FrActional Flow Reserve Guided Drug Coated Balloon Only Strategy in De Novo coronarY Lesions (FADDY)
Drug-eluting stent (DES) has been the primary choice for in suit coronary lesions treatment. In comparison to bare-metal stent (BMS), it evidently decreases the rate of restenosis.
- Trial name
- FADDY (NCT03452904)
- Testing
- Drug-coated balloon, Drug-eluting stent
- Where
- China
- Volunteers
- 80 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Myocardial Ischemia
Multi-modality Imaging of Ischemia With 18F-FDG PET and CTA
Coronary artery disease results in narrowing of the blood vessels supplying oxygenated blood to the heart muscle. Diagnosis in patients with symptoms of chest pain is now quickly done with CT coronary angiography.
- Trial name
- NCT01520025
- Testing
- PET MPI imaging with 18F-Fluorodeoxyglucose
- Where
- Canada
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Ottawa Heart Institute Research Corporation
Coronary Artery Disease
Determination of Fractional Flow Reserve by Anatomic Computed Tomographic Angiography
This is a prospective, multi-center trial conducted at up to 20 US, Canadian, European and Asian centers designed to determine the diagnostic performance of CT-FLOW (the investigational technology) by coronary computed…
- Trial name
- DeFACTO (NCT01233518)
- Testing
- FFR
- Where
- United States
- Volunteers
- 285 people
- Sponsor
- HeartFlow, Inc.
Coronary Stenosis
Factors Related to the Progression of Non-target Coronary Lesions
The goal of this observational study is to learn about correlation between traditional risk factors and emerging risk factors on the progression of non-target coronary lesions in patients with non-target lesions on at least two…
- Trial name
- NCT06248138
- Volunteers
- 1,111 people
- Sponsor
- Mei Gao
Cardiovascular Diseases, Testicular Neoplasms
High-Intensity Aerobic Interval Training in Testicular Cancer Survivors
This study evaluates the impact of a supervised 12-week high-intensity aerobic interval exercise program (versus a self-directed exercise usual care group) on traditional and novel cardiovascular disease risk factors and…
- Trial name
- HIITTS (NCT02459132)
- Testing
- High-intensity aerobic interval exercise
- Volunteers
- 63 people
- Sponsor
- University of Alberta
Coronary Artery Disease, Chest Pain
The Value of CT-FFR Compared to CCTA or CCTA and Stress MPI in Low to Intermediate Risk ED Patients With Toshiba CT-FFR
Coronary Computed Tomography Angiogram (CCTA) is a non-invasive imaging modality that has high sensitivity and negative predictive value for the detection of coronary artery disease (CAD).
- Conditions
- Coronary Artery Disease, Chest Pain, Acute Coronary Syndrome, Acute Myocardial Infarction
- Trial name
- NCT03329469
- Testing
- Toshiba CT-FFR
- Where
- United States
- Volunteers
- 1,142 people
- Sponsor
- Northwell Health
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