Clinical trials: Echocardiography
Heart Failure, Diastolic
Exercise Pulmonary Transit Time
The study seeks to measure pulmonary transit time via contrast-echocardiography before and after exercise.
- Trial name
- NCT04336995
- Testing
- contrast echocardiography
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
IUGR, Fetal Growth Retardation
Cardiac Displacement From Third Trimester to Early Childhood
The aim is to increase awareness of the relationship between (IUGR) and cardiac function in the foetus, the development of cardiac function over time after delivery and what significance a possible early disturbed myocardial…
- Conditions
- IUGR, Fetal Growth Retardation, Intrauterine Growth Restriction
- Trial name
- CADETTE (NCT02583763)
- Testing
- Echocardiography, Blood sample
- Where
- 2 sites in Sweden
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- University Hospital, Linkoeping
Sickle Cell Disease
Cardiovascular Complications of Sickle Cell Disease
In this research study, we are using heart imaging exams and blood testing, in order to gain an improved understanding of the pulmonary (lung) hypertension and cardiovascular (heart) complications that often occur in sickle cell…
- Trial name
- NCT01044901
- Testing
- MRI, Transthoracic Echocardiography, tonometry, EKG
- Where
- United States
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- University of Chicago
Mitral Valve Insufficiency, Atrial Fibrillation
Left Atrial Distensibility to Predict Left Ventricular Filling Pressure and Prognosis in Patients With Severe Mitral Regurgitation
A large left atrial (LA) volume, which represents chronic diastolic dysfunction, is associated with a poor outcome, regardless of systolic function.
- Conditions
- Mitral Valve Insufficiency, Atrial Fibrillation, Heart Failure
- Trial name
- NCT01172184
- Testing
- Cardiac catheterization
- Where
- Taiwan
- Volunteers
- 111 people, healthy volunteers welcome
- Sponsor
- Kaohsiung Veterans General Hospital.
Patent Ductus Arteriosus
Pocket Echocardiography System (PES) for Detection of PDA in Neonates
This is a single-center, feasibility study involving all neonates admitted to the neonatal intensive care unit with orders for a cardiac echo evaluation. Parents will be approached and provided a description of the study.
- Trial name
- NCT01790750
- Testing
- PES first, then FFES
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Florida
Pulmonary Arterial Hypertension
Assessmet of Patients With PAH Right Ventricular Volume
The primary endpoint of this study is the percent difference between the VentriPoint Medical System (VMS) and cMRI for estimating the end diastolic and end systolic right ventricular volumes (RVEDV and RVESV) in subjects with…
- Trial name
- NCT01557582
- Testing
- Ventripoint Medical System
- Where
- 7 sites in United States, Canada
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- VentriPoint Diagnostics Ltd.
Fluid Overload, Anesthesia; Adverse Effect, Spinal and Epidural
Can Vena Cava Ultrasound Guided Volume Repletion Prevent Spinal Induced Significant Hypotension in Elective Patients?
Aim of this study is to determine whether Inferior Vena Cava analyzed by trans-thoracic echocardiography is an effective method to guide titrated fluid repletion in non critical patients, in order both to decrease post procedural…
- Conditions
- Fluid Overload, Anesthesia; Adverse Effect, Spinal and Epidural, Regional Anesthesia Morbidity
- Trial name
- NCT02271477
- Testing
- Ultrasound-guided volemic repletion
- Where
- Switzerland
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Ente Ospedaliero Cantonale, Bellinzona
Cardiomyopathy
Characterization of Sympathetic Nerve Activity in Stress Cardiomyopathy
Stress (Takotsubo) cardiomyopathy (SC) is a peculiar form of acute, reversible myocardial dysfunction predominantly affecting the apical and mid left ventricular segments.
- Trial name
- NCT01048125
- Testing
- Sympathetic Nerve Activity, Mental Stress Test (Color Word Test), The Modified Oxford Technique for Baroreflex Sensitivity
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Cardiac Disease
PROSPECTIVE EVALUATION OF HEARTFOCUS
The study's objective is to evaluate if exams, performed with the HeartFocus software by novices, are of sufficient quality to visually analyze the left ventricular size, the left ventricular function, the right ventricular size…
- Trial name
- HF-01 (NCT05874128)
- Testing
- Using HeartFocus software with AI guidance (Novices), Using HeartFocus software without AI-guidance
- Where
- 2 sites in United States, France
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- DESKi
Heart Failure, Diastolic, Diastolic Heart Failure
Myocardial Perfusion, Oxidative Metabolism, and Fibrosis in HFpEF
Unlike heart failure with reduced ejection fraction (HFrEF) where several medicines and devices have been demonstrated to reduce mortality, no such therapies have been identified in HFpEF.
- Conditions
- Heart Failure, Diastolic, Diastolic Heart Failure, Hypertension
- Trial name
- HFpEF-PRoF (NCT02589977)
- Testing
- regadenoson
- Where
- United States
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Marvin W. Kronenberg, M.D.
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
Fetal Heart Echocardiography by Five Dimensional Ultrasound
Automated Fetal Heart Echocardiography by Five-Dimensional Ultrasound in the Third Trimester of Pregnancy
The aim of the study to evaluate Five-Dimensional Ultrasound in automated assessment of the fetal heart from 20-36 weeks of gestation.
- Trial name
- NCT02643199
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Lymphoproliferative Disorders, Autoimmune Lymphoproliferative
Allogeneic Hematopoietic Cell Transplantation for Disorders of T-cell Proliferation and/or Dysregulation
Background: Blood stem cells in the bone marrow make all the cells to normally defend a body against disease. Allogeneic blood or marrow transplant is when these stem cells are transferred from one person to another.
- Conditions
- Lymphoproliferative Disorders, Autoimmune Lymphoproliferative, Primary T-cell Immunodeficiency Disorders, Immune System Diseases
- Trial name
- NCT03663933
- Testing
- e-ATG, Immunosuppression Only Conditioning, Reduced Intensity Conditioning
- Where
- 2 sites in United States
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- National Cancer Institute (NCI)
Postmenopausal Syndrome
Evaluating the Roles of Estrogen and Progesterone in Heart Metabolism
Estrogen and progesterone are two main female sex hormones. When a woman goes through menopause, the body's production of estrogen and progesterone significantly decreases.
- Trial name
- Estrogen (NCT00565916)
- Testing
- Estrogen, Progesterone
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Intraoperative Complications, Postoperative Complications
Hemodynamic and Respiratory Variations During Laparoscopic Surgery With and Without Deep Neuromuscular Blockade.
The goal of this study is to investigate the effect of depth of neuromuscular block (NMB) on global and regional (dependent versus nondependent) respiratory mechanics during laparoscopic surgery.
- Conditions
- Intraoperative Complications, Postoperative Complications, Laparoscopy, Surgical Complications From General Anesthesia
- Trial name
- NCT02025075
- Testing
- Rocuronium
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Fetal Arrhythmia, Abnormality in Fetal Heart Rate or Rhythm
Fetal and Neonatal Magnetophysiology
Fetal research and clinical practice has been hampered by a lack of suitable investigational techniques. Currently, ultrasound is the only widely used method of studying fetal anatomy and physiology, but it has significant…
- Conditions
- Fetal Arrhythmia, Abnormality in Fetal Heart Rate or Rhythm, Long QT Syndrome
- Trial name
- NCT01903564
- Testing
- magnetocardiography, postnatal ECG, fetal echocardiography
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Cardiac Disease
A Dose Ascending Study to Evaluate the Safety of NH002 as a Contrast Agent in Cardiac Echocardiography
NH002 (Perflutren Lipid Microspheres) Injectable Suspension is an ultrasound contrast agent for use in patients with suboptimal echocardiograms to opacify the left ventricular (LV) chamber and to improve the delineation of the LV…
- Trial name
- NCT04185246
- Testing
- NH002 (Perflutren Lipid Microspheres) Injectable Suspension, Echocardiogram
- Where
- 2 sites in Taiwan
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Trust Bio-sonics, Inc.
Smoking
Airway and Pulmonary Vascular Endothelial Function in Healthy Smokers: Effect of Inhaled Glucocorticosteroid Treatment
The purposes of the present proposal are to 1) compare inhaled albuterol-induced changes in airway blood flow (Qaw), and in CO and Ppas in healthy current smokers and lifetime non-smokers as an index of endothelial function in…
- Trial name
- smoker3 (NCT02141633)
- Testing
- echocardiogram plus albuterol, airway blood flow plus albuterol, Fluticasone propionate
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- University of Miami