Clinical trials: Echocardiography, Transthoracic
Angina Pectoris, Left Ventricular Wall Motion Abnormalities
Intraprocedural Determination of Myocardial Vitality Using 2 Different Imaging Methods
The investigators will compare myocard vitality diagnostics using 2D-Strain echography and MRI.
- Trial name
- NCT01934699
- Testing
- Cardiac ultrasound, MRI scanner
- Where
- Germany
- Volunteers
- 130 people
- Sponsor
- RWTH Aachen University
Persistent Atrial Fibrillation
Sevoflurane Versus Propofol Anesthesia in Intracardiac Echocardiography-Guided Atrial Fibrillation Ablation
This prospective, randomized, single-center study will compare sevoflurane inhalational anesthesia with propofol intravenous anesthesia in patients undergoing intracardiac echocardiography-guided radiofrequency catheter ablation…
- Trial name
- NCT07877116
- Testing
- Sevoflurane, propofol
- Where
- Turkey (Türkiye)
- Volunteers
- 124 people
- Sponsor
- Hüseyin Ulaş Pinar
Aortic Valve Stenosis, Valvular Stenosis
Diagnostic Impact of Low-dose Dobutamine Echocardiography in Low-flow Low-gradient Aortic Stenosis
When aortic valve-area is <1.0cm2 and transvalvular mean-gradient is >40mmHg, the diagnosis of severe aortic stenosis (AS) is straightforward.
- Conditions
- Aortic Valve Stenosis, Valvular Stenosis, Valvular Heart Disease
- Trial name
- DALLAS (NCT05015829)
- Testing
- Dobutamine Stress Echocardiography
- Where
- Denmark
- Volunteers
- 150 people
- Sponsor
- Odense University Hospital
Mitral Valve Repair Surgery
Mitral Valve Area Using 3-dimensional Transesophageal Echocardiography
Even during mitral valve repair procedure (MVP) for severe mitral stenosis (MS), the intraoperative assessment of mitral valve area (MVA) is necessary for evaluating the severity of MS before the repair and excluding residual MS…
- Trial name
- MVA (NCT01694251)
- Where
- South Korea
- Volunteers
- 86 people
- Sponsor
- Konkuk University Medical Center
Cardiovascular Diseases, Coronary Disease
Dobutamine Echocardiography In Patients With Ischemic Heart Failure Evaluated for Revascularization
To define the role of the assessment of myocardial viability with dobutamine echocardiography (DE) in the clinical evaluation and selection of the best treatment for a high-risk subset of patients with coronary artery disease.
- Conditions
- Cardiovascular Diseases, Coronary Disease, Heart Failure, Heart Failure, Congestive
- Trial name
- DECIPHER (NCT00074724)
- Testing
- Coronary Artery Bypass, Modern medical management, Dobutamine echocardiography
- Volunteers
- 319 people
- Sponsor
- Medstar Health Research Institute
Coronary Artery Disease
Integrated RF and B-mode Deformation Analysis for 4D Stress Echocardiography
The specific aim of this clinical trial is to translate the investigators new 4DE (three sptial dimensions pluse time) stress echocardiographic method to patients with coronary artery disease referred for clinically indicated…
- Trial name
- NCT02327455
- Testing
- Stress Dobutamine Echocardiographic using 4DE System
- Sponsor
- Yale University
Type 2 Diabetes Mellitus
Premature Aging and Type 2 Diabetes Mellitus: an Increased Risk of Cardiomyopathy?
The potential clinical implications of this study are to optimise the selection of a population at risk for developing a diabetic cardiomyopathy among diabetic patients in order to develop early therapeutic strategies to prevent…
- Trial name
- R2D2 (NCT01536808)
- Testing
- Cardiac RMI, Analysis telomere, Stress test
- Where
- France
- Volunteers
- 150 people
- Sponsor
- Hospices Civils de Lyon
Spinal Anesthetic Toxicity, Inferior Vena Cava Abnormality
Transthoracic Echocardiography of Inferior Vena Cava Before Spinal Anesthesia Can Predict Hypotension
Study Protocol: Outcome Measurements Primary Outcome The main outcome will be the preoperative performance of the dIVCmax/IVCCI ratio to foresee the incidence of hypotension after spinal anesthesia in a greater extent to that of…
- Conditions
- Spinal Anesthetic Toxicity, Inferior Vena Cava Abnormality, Intraoperative Complications
- Trial name
- NCT03266250
- Testing
- spinal anesthesia
- Where
- Greece
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- National and Kapodistrian University of Athens
Premature Baby, Pulmonary Hypertension of Newborn
Measuring Heart Health in Both Term, Preterm and Unwell Newborn Babies With an Advanced Ultrasound Method: Speckle Tracking Echocardiography
This study aims to improve how neonatologists check the heart function of newborn babies, especially those who are sick. While standard heart ultrasound scans are useful, a more advanced and sensitive technique called 2D speckle…
- Conditions
- Premature Baby, Pulmonary Hypertension of Newborn, Hypoxic Ischaemic Encephalopathy (HIE), Congenital Diaphragmatic Hernia
- Trial name
- NCT07364682
- Where
- United Kingdom
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- Birmingham Women's NHS Foundation Trust
Teleradiology
The Feasibility and Effectiveness Study for Tele-ultrasonography
Purpose The investigators aim to evaluate the feasibility of remote interpretation for ultrasound images using a smartphone based realtime image transmission system.
- Trial name
- NCT02271048
- Testing
- Remote ultrasonography interpretation using the smartphone
- Where
- South Korea
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Hanyang University
Echocardiography, PDA
Echocardiography-guided Percutaneous Patent Ductus Arteriosus Closure
Since the first successful percutaneous closure under transoesophageal echocardiographic (TEE) guidance, many centres explored transcatheter procedures without fluoroscopy.
- Trial name
- NCT05321849
- Testing
- Echocardiography guide
- Where
- Indonesia
- Volunteers
- 60 people
- Sponsor
- National Cardiovascular Center Harapan Kita Hospital Indonesia
Cardiopulmonary Disease
SGA for TEE: Safe Alternative to Deep Sedation for Patients With High-risk Cardiopulmonary Disease.
Increasingly, transesophageal echos (TEEs) are being done on high risk patients. A TEE is a short procedure done with deep sedation, but poses an increased risk of apnea/ hypoxemia in those with pulmonary disease.
- Trial name
- SGA-TEE (NCT04939220)
- Testing
- TEE with SGA, TEE with Deep Sedation
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Florida
Pulmonary Vascular Disease, Pulmonary Arterial Hypertension
High Altitude (HA) Residents With Pulmonary Vascular Diseseases (PVD), Pulmonary Artery Pressure (PAP) Assessed at HA (2840m) vs Sea Level (LA)
To study the effect of relocation from 2840m (Quito) to sea level (Pedernales) in patients with pulmonary vascular diseases (PVD) defined as pulmonary arterial hypertension or chronic thromboembolic pulmonary hypertension (PH)…
- Conditions
- Pulmonary Vascular Disease, Pulmonary Arterial Hypertension, Chronic Thromboembolic Pulmonary Hypertension
- Trial name
- NCT06092424
- Testing
- Relocation from HA to LA
- Where
- Switzerland
- Volunteers
- 36 people
- Sponsor
- University of Zurich
Aortic Stenosis
Assessment of Myocardial Tissue Damage in Aortic Stenosis
Aortic stenosis (AS) is the most common valve disease in the United States and most common indication for valve replacement surgery. Anatomical and hemodynamic severity of AS is insufficient for elucidating patients' prognosis.
- Trial name
- NCT02101619
- Where
- United States
- Volunteers
- 59 people
- Sponsor
- Mayo Clinic
Hypovolemia, Hypotension
Dynamic Parameters in Evaluation of Fluid Responsiveness
Intravenous infusion of fluids in patients after surgery is a very important part of treatment. However, administering too much or too little fluid can lengthen the stay in the intensive care unit or even harm the patient.
- Conditions
- Hypovolemia, Hypotension, Surgery
- Trial name
- NCT04283851
- Testing
- testing functional haemodynamic parameters for preload assessment
- Where
- Czechia
- Volunteers
- 50 people
- Sponsor
- Charles University, Czech Republic
Pulmonary Hypertension
Predictors of Pulmonary Hypertension in Patients With Advanced Lung Diseases
First, the aim of the study was to evaluate the usefulness of echocardiographic parameters for detecting pulmonary hypertension (PH) in patients with advanced lung disease referred for lung transplantation.
- Trial name
- NCT02777957
- Where
- Poland
- Volunteers
- 200 people
- Sponsor
- Silesian Centre for Heart Diseases
Cardiovascular Disease
A Prospective, Phase IV, Surveillance Registry Study to Evaluate the Safety of DEFINITY® in Clinical Practice
The purpose of this registry study is to gather safety information on the current clinical use of and the safety of DEFINITY®
- Trial name
- NCT00625365
- Testing
- DEFINITY®
- Where
- 16 sites in United States
- Volunteers
- 1,060 people
- Sponsor
- Lantheus Medical Imaging
Decompensated Heart Failure
Speckle Tracking Echocardiography Adds Information in Decompensated Heart Failure
The overall objective of the study is to determine whether speckle tracking echocardiography presents additional prognostic value to the routine assessment (clinical and echocardiographic) in patients admitted with acute…
- Trial name
- STRAIN-DHF (NCT03009552)
- Testing
- speckle tracking echocardiography
- Where
- Brazil
- Volunteers
- 176 people
- Sponsor
- Marco Stephan Lofrano Alves
Right Ventricular Dysfunction
Right Ventricular Dysfunction in Cardiac Surgery Patients
To establish the correlation between echocardiographic parameters of the RV, measured with TEE and the right ventricular ejection fraction (thermodilution).
- Trial name
- NCT03183414
- Testing
- echocardiographic measurements
- Where
- Netherlands
- Volunteers
- 15 people
- Sponsor
- Frisius Medisch Centrum
Atrial Fibrillation, Metabolic Syndrome
Atherosclerosis in Atrial Fibrillation
The prevalence of metabolic syndrome in patients suffering from non valvular atrial fibrillation is derived from studies regarding recurrences of atrial fibrillation after catheter ablation.
- Conditions
- Atrial Fibrillation, Metabolic Syndrome, Oxidative Stress, Atherosclerosis
- Trial name
- NCT01882114
- Where
- Italy
- Volunteers
- 3,000 people
- Sponsor
- University of Roma La Sapienza
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