Clinical trials: Doppler Echocardiography
Myocardial Dysfunction, Newborn Morbidity
Myocardial Deformation Before and After Birth
Knowledge on the changes in myocardial function in the last weeks before birth and during the first year of life is limited. Through fetal and post-natal echocardiography we intend to describe these changes using myocardial…
- Conditions
- Myocardial Dysfunction, Newborn Morbidity, Maternal Obesity
- Trial name
- NCT04060381
- Testing
- Blood transfusion, Ibuprofen, or epinephrine, norepinephrine or dopamine
- Where
- Norway
- Volunteers
- 300 people
- Sponsor
- Haukeland University Hospital
Heart Failure, Congestive, Antineoplastic Agents
Acoustic Cardiographic Assessment of Heart Function in Comparison to Doppler-echocardiography
In this study, the investigators sought to determine whether an acoustic cardiographic assessment of heart function is equivalent to Doppler-echocardiography in patients who are treated with cardio-toxic cytostatic agents.
- Trial name
- NCT00541801
- Testing
- Doppler-echocardiography and acoustic cardiography
- Where
- Switzerland
- Sponsor
- Luzerner Kantonsspital
Heart Failure
Utility of Tissue Doppler Echocardiography for Selecting Patients for Cardiac Resynchronisation Therapy
Currently the main selection tool for Cardiac Resynchronisation Therapy (CRT) is the QRS duration on the surface echocardiography (ECG) which has been shown to be a poor predictor of response.
- Trial name
- TIBI-HF (NCT01100918)
- Testing
- BiV ICD, ICD
- Where
- United Kingdom
- Volunteers
- 80 people
- Sponsor
- Barts & The London NHS Trust
Sickle Cell Disease
Evaluation of the Prevalence of Pulmonary Hypertension in Adult Patients With Sickle Cell Disease
Recent data show that pulmonary hypertension (PH), defined by a tricuspid regurgitation jet (TRJ) velocity > or equal at 2.5m/s on Doppler echocardiography, is present in about 30% of adults with sickle cell disease (SCD) and is…
- Trial name
- ETENDARD (NCT00434902)
- Where
- France
- Volunteers
- 700 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Patent Ductus Arteriosus
Echocardiographically Guided Versus Standard Ibuprofen Treatment for Patent Ductus Arteriosus
Patent ductus arteriosus (PDA) is a very common condition in immature newborn babies and it has been associated to morbidity and mortality.
- Trial name
- NCT01593163
- Testing
- Ibuprofen EchoG, Standard ibuprofen treatment
- Where
- Spain
- Volunteers
- 49 people
- Sponsor
- Fundacion para la Investigacion Biomedica del Hospital Universitario la Paz
Echocardiography, Doppler
Technical Development of Strain Rate Echocardiography
This study will examine heart function using two imaging techniques - echocardiography (ultrasound) and magnetic resonance imaging (MRI) - to evaluate newly developed software for echocardiograph machines.
- Trial name
- NCT00075920
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Mechanical Circulatory Support
BRAIN-HEART Ultrasound Study Normative Values for Transcranial Doppler Based Cerebral Blood Flow Assessment
There is a dire need to establish normative values for transcranial Doppler(TCD) derived cerebral blood flow parameters for each type of Mechanical circulatory support (MCS) device and explore the relationship between the MCS…
- Trial name
- MCS (NCT05924503)
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Wake Forest University Health Sciences
Doppler Echocardiography
Validation Study of the Accuracy of E/e' in Estimating Left Ventricular Filling Pressure
The non-invasive estimation of left ventricular end diastolic pressure (LVeDP) is a main goal for performing an echocardiography in the routine clinical practice.
- Trial name
- EUROFILLING (NCT02883504)
- Testing
- Echo-Doppler examination and left heart catheterization
- Where
- France
- Volunteers
- 85 people
- Sponsor
- Rennes University Hospital
Aortic Valve Disorder
CO2 Versus Lund De-airing Technique in Heart Surgery
To evaluate which of the two de-airing methods (CO2 insufflation vs. Lund de-airing technique) can shorten the left heart de-airing time and prevent or minimize cerebral air emboli during open surgery involving exposure of the…
- Trial name
- NCT00934596
- Testing
- Lund de-airing technique, carbon-dioxide insufflation
- Volunteers
- 20 people
- Sponsor
- Lund University
Cardiovascular Diseases, Ischaemic Heart Disease
Machine Learning in Quantitative Stress Echocardiography
Greater diagnostic accuracy is required to find out who is at risk of a heart attack as this can reduce the requirement of more invasive downstream tests and thereby improve the patient experience and also reduce their exposure…
- Trial name
- MLQSE (NCT04193475)
- Testing
- Analysis
- Where
- United Kingdom
- Volunteers
- 1,250 people
- Sponsor
- Hull University Teaching Hospitals NHS Trust
Heart Failure, Remote Consultation, Teleconsultation
Comparison Between a Robotic Tele-echo-cardiography Technique and a Standard Echocardiography in the Management of Heart Failure in the Guadeloupe Archipelago Between the University Hospital of Guadeloupe and the Marie-Galante Hospital
The TERdeblue-S study is a feasibility study of robotic remote echocardiography, not only in terms of technology but also in terms of its integration into a telemedicine system to improve access to the heart failure management…
- Conditions
- Heart Failure, Remote Consultation, Teleconsultation, Echocardiography, Doppler
- Trial name
- TER de blueS (NCT07265986)
- Testing
- in situ echocardiography (EIS), two-dimensional remote echocardiography (TER)
- Where
- 3 sites in Guadeloupe
- Volunteers
- 50 people
- Sponsor
- Centre Hospitalier Universitaire de la Guadeloupe
Ranolazine, Diastolic Heart Failure
Effect of Ranolazine on Echocardiographic Indices of Diastolic Dysfunction
The purpose of this study is to evaluate the effects of ranolazine, an FDA-approved medication for the treatment of angina, on heart function by using echocardiography.
- Conditions
- Ranolazine, Diastolic Heart Failure, Tissue Doppler Ultrasound, Echocardiography
- Trial name
- NCT00574756
- Testing
- ranolazine
- Where
- United States
- Volunteers
- 14 people
- Sponsor
- University of California, San Diego
Anesthesia, Anesthesia Complication
Preoperative Blood Volume Optimization Using Transthoracic Echocardiography
Immediately following the induction of general anesthesia, arterial hypotension may occur with an incidence of about 40% in patients classified as ASA 3 or 4.
- Conditions
- Anesthesia, Anesthesia Complication, Anesthesia Induction, Arterial Hypotension
- Trial name
- EchOptimal (NCT06639737)
- Testing
- preoperative stroke volume optimization, Post induction stroke volume optimization
- Where
- France
- Volunteers
- 220 people
- Sponsor
- University Hospital, Caen
Heart Valve Incompetence, Echocardiography, Transthoracic
The FUnctional TricUspid REgurgitation by 3D EChocardiography Cooperative Study
Prospective, multicenter, observational study to enroll consecutive patients with functional tricuspid regurgitation (FTR) with the primary aim to: Use patients' outcomes as a reference to try to define the threshold values for…
- Trial name
- FUTURE 3D (NCT05747404)
- Testing
- Echocardiography
- Where
- 4 sites in Italy, Romania
- Volunteers
- 1,500 people
- Sponsor
- Istituto Auxologico Italiano
Stenosis, Aortic
Omics in Valvular Disease
The aim of our study is to investigate the effects of impaired left ventricular remodeling on the short- and long-term prognosis in AS partecipants undergoing extracorporeal circulation during valve repair surgery and in…
- Trial name
- OVERLOAD (NCT05768594)
- Testing
- Blood sample
- Where
- Italy
- Volunteers
- 30 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Congenital Heart Defects
Assessing the Hemodynamic Benefits of Cardiac Resynchronization Therapy in Children Following Open-Heart Surgery
Malformations of the heart (congenital heart disease) are the most common congenital birth defects, occurring in about 1% of children.
- Trial name
- NCT00397514
- Testing
- Congenital Heart Surgery Patients
- Where
- Canada
- Volunteers
- 34 people
- Sponsor
- University of British Columbia
Erectile Dysfunction, Cardiovascular Diseases
Echocardiography in Men With Erectile Dysfunction
Cardiovascular disease is the leading cause of morbidity and mortality in the world. To curb disease development, there is, therefore, a need to identify more people at increased risk.
- Conditions
- Erectile Dysfunction, Cardiovascular Diseases, Cardiac Disease
- Trial name
- NCT05285280
- Testing
- Echocardiography
- Where
- Denmark
- Volunteers
- 386 people
- Sponsor
- Herlev and Gentofte Hospital
Critical Care, Weaning of Mechanical Ventilation
A Cardiac Ultrasound Evaluation of Two Types of Weaning Trials of Mechanical Ventilation for a First Weaning Trial
Comparing the hemodynamic and cardiac effects of two types of weaning trials of mechanical ventilation in ICU patients of two French ICU.
- Conditions
- Critical Care, Weaning of Mechanical Ventilation, Trans-thoracic Echocardiography, Mitral Doppler
- Trial name
- CARWEAN (NCT02138903)
- Testing
- trans thoracic echocardiography
- Where
- France
- Volunteers
- 120 people
- Sponsor
- University Hospital, Clermont-Ferrand
Mechanical Dyssynchrony, Heart Failure
Evaluating Effects of a Left Bundle Branch Block
A left bundle branch block (LBBB) is related to abnormal cardiac conduction and mechanical asynchrony and is associated with hypertension and coronary artery disease.
- Conditions
- Mechanical Dyssynchrony, Heart Failure, Bundle-Branch Block
- Trial name
- NCT00269659
- Where
- Netherlands
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Amsterdam UMC, location VUmc
Chronic Liver Disease
Comparing Portal Vein Assessment by Intraoperative Doppler and Transesophageal Echocardiography
Liver transplantation is usually associated with hemodynamic instability. TEE allows for a real time monitoring of cardiac structures and has become a standard of care for liver transplant patients.
- Trial name
- NCT06909175
- Testing
- Transesophageal echocardiography
- Where
- India
- Volunteers
- 25 people
- Sponsor
- Institute of Liver and Biliary Sciences, India