Clinical trials: Doppler Echocardiography
Fluid Responsiveness Predictability in Sepsis
A Study Comparing Carotid Doppler Ultrasound and Echocardiography to Assess Fluid Responsiveness in Septic Patients on Ventilator
The goal of this clinical trial is to determine whether common carotid artery blood flow measured by bedside Doppler ultrasound can accurately identify fluid responsiveness in mechanically ventilated adults with sepsis.
- Trial name
- NCT07653568
- Testing
- intravenous crystalloid fluid bolus
- Where
- Pakistan
- Volunteers
- 94 people
- Sponsor
- Pakistan Institute of Medical Sciences
Acute Coronary Syndrome
Differential Effect of Ticagrelor Versus Prasugrel on the Adenosine-induced Coronary Vasodilatory Responses in Patients With Acute Coronary Syndrome Undergoing Percutaneous Coronary Intervention
This is a prospective, randomized, single-blind, investigator-initiated, crossover study. Patients with Acute Coronary Syndrome (ACS) subjected to percutaneous coronary intervention (PCI), are randomized after informed consent…
- Trial name
- NCT01642966
- Testing
- Prasugrel, Ticagrelor
- Where
- Greece
- Volunteers
- 56 people
- Sponsor
- University of Patras
Hypertrophic Cardiomyopathy
Assessment of Left Ventricular Torsion by Echocardiography Study
The purpose of this study is to learn about the twisting or wringing motion of the heartbeat called Left Ventricular Torsion (LV Torsion) which can be seen on ultrasound.
- Trial name
- LVTorsion (NCT00589836)
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
Foramen Ovale, Patent, Migraine
Effectiveness and Safety of Transcatheter Patent Foramen Ovale Closure for Migraine
The purpose of the study is to evaluate effectiveness and safety of transcatheter patent foramen ovale closure for migraine.
- Trial name
- EASTFORM (NCT02127294)
- Testing
- transcatheter patent foreman ovale closure
- Where
- China
- Volunteers
- 258 people
- Sponsor
- Yi Yang
Arthritis, Rheumatoid, Spondylitis, Ankylosing
Heart Function in Rheumatoid Arthritis and Ankylosing Spondylitis Pre and Post-TNF Blocker
The purpose of this study is to determine possible alterations in cardiac function in patients with Rheumatoid Arthritis and Ankylosing Spondylitis under anti-TNF therapy, without clinical heart disfunction at baseline, using…
- Trial name
- NCT01072058
- Testing
- TNF blockers (infliximab, adalimumab, etanercept)
- Where
- Brazil
- Volunteers
- 100 people
- Sponsor
- University of Sao Paulo
Septic Shock, Echocardiography Guided Fluid Management
Prediction of Fluid Responsiveness in Paediatric Patients With Septic Shock Using Carotid Doppler Ultrasonography and Echocardiography
The goal of this study is to evaluate the role of carotid Doppler and Echocardiography as a predictor of fluid responsiveness in paediatric patients with septic shock.
- Trial name
- NCT07136532
- Testing
- echocardiography
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Aortic Valve Stenosis
Metabolic Determinants of the Progression of Aortic Stenosis
Calcific aortic stenosis (AS) has become the most common cardiac disease after coronary artery disease and hypertension. Unfortunately no medical therapies have been proven to decrease either the progression of valve stenosis or…
- Trial name
- PROGRESSA (NCT01679431)
- Testing
- Doppler-echocardiography, Computed tomography, Magnetic resonance imaging
- Where
- Canada
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Laval University
Diabetes type1, Healthy
Impact of Gravity on Cardiac Hemodynamics
The goal of this clinical trial is to define and compare pre-load dependance of the cardiac function according to the intracardiac hydrostatic gradient of pressure in healthy and diabetic populations.
- Trial name
- ACUITY (NCT06190756)
- Testing
- Cardiovascular and Baroreflex stimulation by Tilting, Cardiovascular and Baroreflex stimulation by Lower Body Negative Pressure
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Hospital, Caen
Cardiovascular Diseases
Chronic and Acute Effects of Smoking on the Left and Right Ventricular Relaxation in Young Healthy Smokers
Impairment of relaxation, the early phase of ventricular diastole is the first stage of heart diastolic dysfunction. Left ventricular diastolic function can be determined noninvasively by Echo- Doppler - derived mitral valve flow…
- Trial name
- NCT00395928
- Where
- Poland
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Medical University of Warsaw
Breast Cancer
Early Detection and Prediction of Chemotherapy Induced Cardiac Toxicity in Breast Cancer Patients
The goal of this clinical research study is to learn whether different ways of viewing echocardiogram pictures along with blood tests can help to see heart-related side effects of chemotherapy and trastuzumab earlier than the…
- Trial name
- NCT00806507
- Testing
- Echocardiograms, Blood Test
- Where
- 2 sites in United States
- Volunteers
- 45 people
- Sponsor
- M.D. Anderson Cancer Center
Heart Valve Incompetence, Atrial Fibrillation, Persistent
In-depth Characterization of Atriogenic Secondary Tricuspid Regurgitation Due to Atrial Fibrillation
1050 patients with persistent/permanent atrial fibrillation (AF) will be studied using conventional and advanced (three-dimensional and deformation imaging) echocardiography.
- Trial name
- ASTRA (NCT05749107)
- Testing
- Echocardiography, Proteomic analyses
- Where
- 2 sites in Italy
- Volunteers
- 1,050 people
- Sponsor
- Istituto Auxologico Italiano
Cardiovascular Diseases
Tissue Doppler Assessment of Right Ventricular Performance in Acute Heeart Failure
The primary purpose of this study is to learn if taking pictures of your heart using two dimensional and three dimensional echocardiography in the heart failure intensive care unit can be helpful to understanding how the heart is…
- Trial name
- TARVA (NCT00589758)
- Testing
- Echocardiography, Biomarker evaluation
- Where
- United States
- Volunteers
- 75 people
- Sponsor
- The Cleveland Clinic
Surgery--Complications, Congestive Heart Failure
The Clinical Significance of Portal Hypertension After Cardiac Surgery: a Multicenter Prospective Observational Study
Portal flow pulsatility detected by Doppler ultrasound is an echographic marker of cardiogenic portal hypertension from right ventricular failure and is associated with adverse outcomes based on previous studies performed at the…
- Conditions
- Surgery--Complications, Congestive Heart Failure, Right Heart Failure, Anesthesia
- Trial name
- TECHNO-MULTI (NCT03656263)
- Testing
- Doppler assessment of portal vein flow
- Where
- Canada
- Volunteers
- 360 people
- Sponsor
- Montreal Heart Institute
Diastolic Dysfunction
Effect of Exercise on Heart Function in Healthy Elderly People
The purpose of this study is to determine the effect of aerobic interval training on left- and right ventricular diastolic- and systolic function on healthy, sedate people over 70 years.
- Trial name
- NCT00804518
- Testing
- Aerobic interval training
- Where
- Norway
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Norwegian University of Science and Technology
Atrial Fibrillation
Impact of Left Atrial Function on Postoperative Atrial Fibrillation
We aimed to demonstrate the impact of left atrial functions which were evaluated by three different echocardiographic modalities , on postoperative atrial fibrillation.
- Trial name
- NCT00646997
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people
- Sponsor
- Florence Nightingale Hospital, Istanbul