Clinical trials: Echocardiography, Transthoracic
Coronary Disease
Diagnostic Accuracy of CT-FFR Compared to Invasive Coronar Angiography With Fractional Flow Reserve
Invasive coronary angiography is currently considered gold standard in the assessment of coronary artery disease although the method has limitations.
- Trial name
- NCT03045601
- Testing
- CT-FFR, Stress echocardiography
- Where
- Norway
- Volunteers
- 182 people
- Sponsor
- St. Olavs Hospital
Preeclampsia
Evaluation of Hemodynamics in People With Untreated Preeclampsia Using Echocardiography
The goal of this observational trial is to determine the resting cardiac output (CO) using transthoracic echocardiography (TTE) in a cohort of people with untreated preeclampsia, and a cohort of healthy normotensive pregnant…
- Trial name
- NCT06099275
- Testing
- Transthoracic Echocardiography
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Acute Kidney Injury
Diagnostic Value of Urinary Indices in Differentiating Pre-renal and Renal Acute Kidney Injury
The study aims to evaluate the diagnostic value of urinary indices in differentiating pre-renal and renal acute kidney injury among critically ill patients.
- Trial name
- NCT02376712
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Peking Union Medical College Hospital
Arrhythmias, Cardiac, Heart Failure, Systolic
Reasons for Variations in Health Related Quality of Life and Symptom Burden in Patients With Atrial Fibrillation
Atrial fibrillation is the most common cardiac arrhythmia. There is a large variation in symptoms; from almost none to severe but the reason for this is unclear.
- Conditions
- Arrhythmias, Cardiac, Heart Failure, Systolic, Atrial Fibrillation
- Trial name
- SMURF (NCT01553045)
- Where
- Sweden
- Volunteers
- 200 people
- Sponsor
- University Hospital, Linkoeping
Mitral Valve Stenosis
Mitral Valve Area Assessment: Comparison With Transthoracic Echocardiography and Magnetic Resonance Imaging
To compare mitral valve area in rheumatic mitral valve stenosis with cardiac magnetic resonance imaging and conventional transthoracic echocardiography.
- Trial name
- NCT00654472
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 30 people
- Sponsor
- Florence Nightingale Hospital, Istanbul
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
Fetal Growth Restriction
Evaluation of Fetal Heart
Evaluation of fetal cardiac functions in cases complicated with growth restriction
- Trial name
- NCT07760194
- Testing
- Echocardiography
- Where
- Egypt
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Assiut University
Pulmonary Hypertension
Acute Exposure to High Altitude on Pulmonary Artery Pressure and Right Heart Function (Echo)
Randomized crossover Trial in patients with Pulmonary Hypertension (PAH, CTEPH) to assess the acute response to High Altitude ("Säntis"; 2500m above sea level) on pulmonary artery pressure and right heart function (echo)
- Trial name
- NCT03637166
- Testing
- Assessment at Low Altitude (470m above sea level), Exposure to High Altitude (2500m above sea level)
- Where
- Switzerland
- Volunteers
- 28 people
- Sponsor
- University of Zurich
Mitral Valve Regurgitation
New Techniques to Evaluate Mitral Regurgitation
Background: Mitral regurgitation, or leaking of the mitral heart valve, is usually studied and assessed with an ultrasound test called a two-dimensional (2D) echocardiogram.
- Trial name
- NCT01063322
- Where
- 2 sites in United States
- Volunteers
- 50 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Haemodynamic Rebound
Hemodynamic Repercussions of Noninvasive Ventilation
The noninvasive ventilation (NIV) is a method of ventilatory support that does not require artificial airway. Its application is associated with complex hemodynamic repercussions, therefore is important to identify them for…
- Trial name
- NCT02139631
- Testing
- Noninvasive ventilation
- Where
- Brazil
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Federal University of Uberlandia
Subarachnoid Hemorrhage, Myocardial Stunning
Serial Echocardiography After Subarachnoid Hemorrhage
There is increasing interest in myocardial abnormalities following central nervous system events, such as subarachnoid hemorrhage (SAH).
- Conditions
- Subarachnoid Hemorrhage, Myocardial Stunning, Takotsubo Cardiomyopathy
- Trial name
- SEAS (NCT00123695)
- Where
- 6 sites in Netherlands
- Volunteers
- 350 people
- Sponsor
- Amsterdam UMC, location VUmc
Covid19, Echocardiography
Echocardiographic Manifestation in Patient With COVID-19 （EARLY-MYO COVID-19）
The cardiovascular effects of coronavirus disease 2019 (COVID-19) are not yet fully known. We conducted a prospective and dynamic echocardiographic study to investigate the cardiac structural and functional changes in COVID-19…
- Trial name
- NCT04352842
- Testing
- Echocardiography
- Where
- China
- Volunteers
- 51 people
- Sponsor
- RenJi Hospital
Heart Failure
A Study of Triple-site Ventricular Pacing in Patients Who Have Not Responded to Conventional Dual Ventricular Site Cardiac Resynchronization Therapy
Patients are randomised to receive ongoing optimised device and medical therapy or triple ventricular site resynchronisation. The hypothesis states that patients receiving triple-site resynchronization will exhibit a better…
- Trial name
- TRIVENT (NCT00941850)
- Testing
- Upgrade to triple ventricular site CRT
- Where
- United Kingdom
- Volunteers
- 20 people
- Sponsor
- University Hospitals, Leicester
Anesthesia, Hypotension
Preoperative Ultrasound-based Protocol for Optimization of Fluid Therapy to Prevent Early Intraoperative Hypotension
Background: Intraoperative hypotension increases 30-day mortality and the risks of myocardial injury and acute renal failure. Patients with inadequate volume reserve before the induction of anesthesia are highly exposed.
- Conditions
- Anesthesia, Hypotension, Lung Ultrasound, Echocardiography
- Trial name
- NCT05171608
- Testing
- Ultrasound-based protocol based fluid therapy
- Where
- Hungary
- Volunteers
- 80 people
- Sponsor
- Semmelweis University
Coronary Disease, Echocardiography
Meta-Analysis of Stress Myocardial Perfusion Imaging
Background: Detection of coronary artery disease (CAD) is important due to its high prevalence and its medical and economic implications.
- Conditions
- Coronary Disease, Echocardiography, Fractional Flow Reserve, Myocardial, Hemodynamics
- Trial name
- NCT03180060
- Where
- Mexico
- Volunteers
- 23,051 people
- Sponsor
- American British Cowdray Medical Center
Coronary Artery Disease, Microcirculation Resistance
COronoary Microcirculation Analysis NETwork
COMA.NET (Coronary Microcirculation Analysis Network) is a prospective, randomized, open-label, parallel-group clinical trial designed to determine whether endotype-guided pharmacotherapy is superior to standard care in improving…
- Conditions
- Coronary Artery Disease, Microcirculation Resistance, Microcirculation; Biomarkers; Myocardial Ischemia, Microcirculatory Dysfunction
- Trial name
- COMA-NET (NCT07498231)
- Testing
- Coronary microvascular function assessment
- Where
- Poland
- Volunteers
- 180 people
- Sponsor
- Medical University of Bialystok
Body Composition, Echocardiography
Frequent Ballgames Training for 9-11 Year Old Schoolchildren
Inactivity among schoolchildren is a challenge to public health and for the municipality in particular. This study´s aim is to evaluate the cognitive and physical as well as social and fitness adaptations, and learning outcomes…
- Trial name
- NCT02000492
- Testing
- Football, Running, Circuit training
- Where
- Denmark
- Volunteers
- 423 people
- Sponsor
- University of Copenhagen
Myocardial Infarction
Acute Myocardial Infarction by Penetrating Cardiac Trauma
Patients with a cardiac stab wound could be complicated by a posttraumatic acute myocardial infarction (PAMI). Traditionally, the investigators can explain it by the occlusion of a coronary artery; but the PAMI isn´t constantly…
- Trial name
- NCT01182064
- Where
- Colombia
- Volunteers
- 51 people
- Sponsor
- Universidad de Antioquia
Cardiac Arrhythmia
Twelve-lead Wearable Holter,MRI,CT,X-ray,Echocardiography
The 12-lead wearable Holter monitor is compatible with most examinations including MRI, CT, X-ray and echocardiography without compromising data quality.
- Trial name
- NCT07714109
- Where
- China
- Volunteers
- 500 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Coronary Artery Disease, Myocardial Perfusion Abnormalities
Regadenoson Real Time Perfusion Imaging Trial-Optison
The purpose if this study is to examine how effective Regadenoson is in detecting coronary artery disease during a stress echocardiogram when Optison is administered.
- Trial name
- NCT01489176
- Testing
- Regadenoson; Optison
- Where
- 2 sites in United States
- Volunteers
- 50 people
- Sponsor
- University of Nebraska
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