Clinical trials: Ventricular
OSA, Left Ventricular Dysfunction
Evaluation of Left Ventricular Function and Therapeutic Effect of CPAP in Patients With OSAS by 3D STE
The changes of left ventricular function in patients with sleep apnea were studied by three-dimensional speckle-tracking echocardiography to evaluate the changes of left ventricular function after CPAP treatment
- Trial name
- NCT04957004
- Testing
- CPAP
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Peking University Third Hospital
STEMI
Short and Intermediate Term Effect of Dapagliflozin on Left Ventricular Remodeling in Anterior STEMI Patients
Methodology This study will enroll (120) patients presenting with acute anterior STEMI who will undergo early reperfusion presenting at Helwan University Hospitals and Ain Shams University Hospitals.
- Trial name
- NCT05957887
- Testing
- Dapagliflozin
- Where
- Egypt
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Mohamed Nabil Elkholy
Healthy Volunteers
PET Study of a2a Agonist Effects on the Ventricular CSF Clearance of [11C]Butanol
This investigator initiated, pilot study will assess the feasibility of characterizing the effects of an orally administered alpha-2 adrenergic (a2a) agonist, clonidine, on the clearance rates of Carbon-11 butanol from the…
- Trial name
- NCT04032691
- Testing
- Clonidine Pill
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
Pain Awareness From ICD Shocks
Assessment of Prepulse Inhibition for Shock Pain Reduction
Patient tolerance of pain from discharges of implantable cardioverter defibrillators (ICD's) is highly variable. It can be influenced by psychological factors, physical condition and the number of shocks delivered.
- Trial name
- NCT00193986
- Testing
- Arbitrary Waveform Defibrillator
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University Health Network, Toronto
Sodium Excess
Dietary Sodium, Oxidative Stress, and Pulsatile Hemodynamics
High sodium diets impair vascular function, which may influence the work of the heart. This investigation is designed to determine if this change in vascular function results in a greater workload in the heart and if people who…
- Trial name
- NCT04233957
- Testing
- High Sodium
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Delaware
Aortic Stenosis
Clinical Significance of Collagen Metabolism Changes in Left Cardiac Ventricle
As there are no clinical data in cardiology about the relationship between metabolism collagen changes and their clinical significance, the investigators will check the hypothesis that collagen metabolism changes, detected by…
- Trial name
- NCT00693797
- Where
- Czechia
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Charles University, Czech Republic
Aortic Valve Disease, Aortic Aneurysm
Aortopathy Relationship To Imagery and Kinocardiography Features (ARTIK)
Kinocardiography (KCG) is a portable measurement technique developed to estimate cardiac mechanical performance by studying the vibrations produced by myocardial contraction during each heartbeat and transmitted to the body…
- Trial name
- ARTIK (NCT06286358)
- Testing
- Kinocardiography
- Where
- Belgium
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Université Libre de Bruxelles
Ischemia Coronary Artery Origin
Thoracic Epidural Reduces Risks of Increased Left Ventricular Mass Index During Coronary Artery Bypass Graft Surgery
Increased left ventricular mass index (LVMI) results from aortic valve lesions as an adaptive mechanism to help limit systolic wall stress and preserve ejection fraction (EF).
- Trial name
- NCT03719248
- Testing
- thoracic epidural
- Where
- Egypt
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Ahmed Said Elgebaly,MD
Dilated Cardiomyopathy
Reverse Remodelling and Remission Markers in the Serial Evaluation of Recent-onset Dilated Cardiomyopathy
Approximately 30-40% of patients with non-ischaemic dilated cardiomyopathy (DCM) undergo significant left ventricular reverse remodelling in response to guideline-directed therapies.
- Trial name
- REMIT-DCM (NCT04957147)
- Testing
- 12 months of guideline-directed heart failure therapy
- Where
- United Kingdom
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Pediatric Disorder, Pediatric Obesity
Pediatric Primary Hypertension and the Renin-Angiotensin System (PHRAS)
Pediatric primary hypertension is increasingly common, occurring in 5-10% of normal-weight children and up to 25% of children with obesity. It is a risk factor for adult cardiovascular and renal disease.
- Conditions
- Pediatric Disorder, Pediatric Obesity, Primary Hypertension
- Trial name
- PHRAS (NCT03310684)
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Heart Failure, Heart Failure With Reduced Ejection Fraction
Efficacy of AI EF Screening by Using Smartphone Application Recorded PLAX View Cardiac Ultrasound Video Clips
Assessing the Efficacy of Artificial Intelligence in Left Ventricular Function Screening Using Parasternal Long Axis View Cardiac Ultrasound Video Clips ABSTRACT BACKGROUND: Echocardiography serves as a fundamental diagnostic…
- Conditions
- Heart Failure, Heart Failure With Reduced Ejection Fraction, Cardiac Failure, Echocardiography
- Trial name
- NCT06330103
- Testing
- Easy EF
- Where
- Thailand
- Volunteers
- 923 people, healthy volunteers welcome
- Sponsor
- Rayong Hospital
Hypertension; Heart Disease, Hypertensive
Effect of Aterial Stiffness on Myocardial Work in Patients With Hypertension
Hypertension is a serious threat to human health and a major global economic burden.Chronic hypertension can cause left ventricular remodeling and loss of function, eventually leading to heart failure.Exploring the early changes…
- Trial name
- NCT04573257
- Testing
- Echocardiography and pulse wave velocity measurement
- Where
- China
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Chongqing Medical University
Hyperuricemia, Healthy
The Relationship Among, Serum Uric Acid, Left Ventricular Hypertrophy and Metabolic Syndrome
Hyperuricemia is associated with the prevalence of metabolic syndrome and cardiovascular risks in diverse of the population. Whether the dose-response effects on the prevalence of metabolic syndrome and cardiometabolic risks is…
- Trial name
- NCT03473951
- Testing
- Hyperuricemia
- Where
- Taiwan
- Volunteers
- 18,000 people, healthy volunteers welcome
- Sponsor
- National Defense Medical Center, Taiwan
Fibromyalgia (FM), Subclinical Ventricular Dysfunction
Evaluation of Myocardial Function by Global Longitudinal Strain (GLS) Measurement in 2D Echocardiography of Patients With Fibromyalgia
Fibromyalgia (FM) is a chronic pain syndrome that affects multiple body systems and is often associated with fatigue, sleep disturbances, anxiety, and other comorbidities.
- Conditions
- Fibromyalgia (FM), Subclinical Ventricular Dysfunction, Myocardial Function
- Trial name
- GLS in FM (NCT07150455)
- Testing
- Echocardiographic Assessment (2D Speckle Tracking)
- Where
- Turkey (Türkiye)
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- Ankara Training and Research Hospital
Coronary Artery Disease
2D and Tissue Doppler Imaging Echocardiography Analysis of Left Ventricular Regional Wall Motion and Prognosis
Development of myocardial ischemia, and/or myocarditis would induce different changes in myocardial contraction behavior pattern,which maybe very subtle, and may not be detected by the 2D and m-mode echocardiography examinations.
- Trial name
- TDI (NCT01092429)
- Where
- Taiwan
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Chang Gung Memorial Hospital
Ventricular Arrythmias
The V-Tachogram:Decreasing Ventricular Arrythmias When Injecting Contrast in the Left Ventricle
The purpose of this study is to determine if increasing the linear rise rate of injection of x-ray contrast in the heart during left ventriculograms(part of a cardiac Catheterization procedure) will decrease the incidence of…
- Trial name
- NCT00288756
- Testing
- lv injection of contrast
- Where
- Canada
- Volunteers
- 156 people, healthy volunteers welcome
- Sponsor
- Trillium Health Centre
Arrhythmias, Cardiac
Biospecimen Repository for Cardiac Arrhythmias at the Cleveland Clinic
Biorepository of blood and or tissue samples from patients presenting with cardiac arrhythmia syndromes.
- Trial name
- NCT00921986
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
Heart Septal Defects, Ventricular
Study of Energy Expenditure in Infants With Ventricular Septal Defects
OBJECTIVES: I. Compare the total daily energy expenditure in infants with ventricular septal defects vs healthy control infants.
- Trial name
- NCT00006272
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- National Center for Research Resources (NCRR)
Hypotension
Focussed Echocardiography to Detect Preoperative Hypovolemia and Left Ventricular Dysfunction as a Predictor of Post-Induction Hypotension
This is an observational study to evaluate the role of a Bed side Focus assessed Transthoracic Echocardiography (FATE) in identifying the patients at a potential risk of developing hypotension secondary to general anesthesia…
- Trial name
- NCT02944266
- Testing
- Pre operative Focus assessed Transthoracic echocardiographic assessment.
- Where
- India
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Post Graduate Institute of Medical Education and Research, Chandigarh
Long QT Syndrome, Sudden Cardiac Death
Electromechanical Profiling of the Long-QT Syndrome (LQTS)
High-resolution, non-invasive electromechanical mapping in genotyped long-QT syndrome patients and healthy controls at baseline and during smart provocation.
- Conditions
- Long QT Syndrome, Sudden Cardiac Death, Ventricular Tachycardia
- Trial name
- EMLoQ (NCT04074122)
- Testing
- Adenosine and epinephrine, isoprenaline provocation
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Maastricht University Medical Center