Clinical trials: Left Ventricular Function
Ebstein Anomaly
Assessment of Left and Right Ventricular Function in Patients With Ebstein Anomaly With Different Echocardiographic Methods
Ebstein anomaly is a rare congenital heart disease. It encompasses abnormalities of the tricuspid valve, the right atrium and the right ventricle (RV).
- Trial name
- NCT01907971
- Where
- Switzerland
- Volunteers
- 18 people
- Sponsor
- Angela Oxenius
Heart Failure
3D Assessment of RV Function in Patients Undergoing LVAD Implantation
This goal of this study is to analyze images of the right ventricle taken via 3D transesophageal echocardiography (TEE) during left ventricular assist device (LVAD) implantation.
- Trial name
- NCT05376254
- Where
- Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Complete AV Block, Sick Sinus Syndrome
Left Ventricular Pacing to Avoid Cardiac Enlargement Study
In this study, the investigators will examine whether left ventricular pacing is superior to right ventricular apical pacing in preventing deterioration of left ventricular systolic function and cardiac remodeling in patients…
- Trial name
- LVPACE (NCT01302717)
- Testing
- LV pacing, RV pacing
- Where
- 2 sites in South Korea
- Sponsor
- Seoul National University Hospital
Hemodynamic Monitoring
Evaluation of the UltraTrac System as a Non-Invasive Monitor of Hemodynamic Parameters
This study will test the use of the UltraTrac™ system, a small, noninvasive device that uses electrodes on the skin and a small ultrasound sensor to provide measurements of cardiac function in a wide of subjects.
- Trial name
- NCT07862608
- Testing
- Noninvasive Hemodynamic Monitoring System
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- AcQumen Medical, Inc.
Hypertrophic Cardiomyopathy
Pirfenidone to Treat Hypertrophic Cardiomyopathy
This study will examine the effectiveness of the drug pirfenidone (Deskar) in improving heart function in patients with hypertrophic cardiomyopathy (HCM).
- Trial name
- NCT00011076
- Testing
- Pirfenidone
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Heart Diseases
Evaluation of Left Ventricular Volumes by Real-Time 3-Dimensional Echocardiography
Quantitative measurements of left ventricular volume and ejection fraction are useful in the management of patients with heart disease.
- Trial name
- NCT00001740
- Where
- United States
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Advanced Cancers
Quantitation of Left Ventricular Ejection Fraction as Part of F-18 FDG Whole Body PET/CT Scans For Tumor Staging
Primary Objective: Evaluate the agreement between radionuclide ventriculography (RNV) and gated F-18 fluorodeoxyglucose positron emission tomography/computed tomography (FDG PET/CT) in calculating left ventricular ejection…
- Trial name
- NCT00499382
- Testing
- Nuclear Medicine Cardiac Scan, PET/CT Cardiac Scan
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- M.D. Anderson Cancer Center
Childhood Cancer
Cardiac 3D MRI in Pediatric Cancer Patients
This is a non-randomized prospective pilot study in a single academic center with historic controls. This study will compare Cardiac Magnetic Resonance Images (MRI) of patients who have undergone childhood cancer treatment that…
- Trial name
- NCT02130934
- Testing
- Cardiac 3D MRI
- Where
- 2 sites in United States
- Sponsor
- Majd Makhoul
Congenital Heart Disease, Thiamine Deficiency
The Role of Thiamine After Transcatheter Closure in Children With Left-to-Right Shunt Congenital Heart Disease
Currently, research on the effect of thiamine administration during transcatheter closure on the structure and function of the left ventricle by examining levels of matrix metalloproteinase-9 and tissue inhibitor of…
- Conditions
- Congenital Heart Disease, Thiamine Deficiency, Patent Ductus Arteriosus, Ventricular Septal Defect
- Trial name
- NCT06298344
- Testing
- Thiamine
- Where
- Indonesia
- Volunteers
- 86 people
- Sponsor
- Universitas Sumatera Utara
LVAD (Left Ventricular Assist Device) Driveline Infection
Effect of Cardiac Resynchronization Therapy (CRT) on Left Ventricular Assist Device (LVAD) Function
Certain patients with congestive heart failure are treated both by implantation of an LVAD, as well as implantation with a biventricular pacemaker.
- Trial name
- NCT04153786
- Testing
- Temporary changes in an already-implanted medical device (biventricular pacemaker)
- Where
- United States
- Volunteers
- 9 people
- Sponsor
- University of California, Davis
Tricuspid Atresia, Hypoplastic Left Heart Syndrome
Biomarker Study for Heart Failure in Children With Single Ventricle Physiology
The purpose of this study is to determine if children with heart disease where there is only one pumping chamber("ventricle") have proteins (biomarkers") in the blood that can be used to monitor the function of their heart.
- Conditions
- Tricuspid Atresia, Hypoplastic Left Heart Syndrome, Unbalanced AV Canal
- Trial name
- BHFSVP (NCT00571233)
- Where
- United States
- Volunteers
- 71 people
- Sponsor
- University of California, San Francisco
Left Ventricular Ejection Fraction, Heart Failure (HF)
REsynchronization Comparison In LBBB and Normal or Mildly Reduced VENTricular Function With CRT (REINVENT-CRT)
Primary Objective - To determine if implantation of a permanent CRT pacing device (with LB-CRT, or conventional BiV-CRT with a coronary sinus LV lead) can improve electromechanical function, HF symptoms, and natriuretic peptide…
- Conditions
- Left Ventricular Ejection Fraction, Heart Failure (HF), Left Bundle-Branch Block
- Trial name
- REINVENT (NCT05652218)
- Testing
- LB-CRT, BIV-CRT
- Where
- 2 sites in United States
- Volunteers
- 21 people
- Sponsor
- Inova Health Care Services
Melatonin, Left Ventricular Function
Melatonin Effects on the Left Ventricular Function in Neonates With Persistent Pulmonary Hypertension
This study aimed to evaluate the effect of melatonin on the left ventricular function in neonates with persistent pulmonary hypertension
- Conditions
- Melatonin, Left Ventricular Function, Neonates, Persistent Pulmonary Hypertension
- Trial name
- NCT07090720
- Testing
- Melatonin
- Where
- Egypt
- Volunteers
- 80 people
- Sponsor
- Tanta University
Aortic Valve Insufficiency, Mitral Valve Insufficiency
Investigation of Heart Function in Patients With Heart Valve Defects
In this study researchers plan to perform a diagnostic test called transesophageal echocardiography in order to see and record the movement and function of the heart.
- Trial name
- NCT00001314
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Left Ventricular Systolic Function
Predictors of Left Ventricular Systolic Function Recovery After Transcatheter Aortic Valve Replacement
Investigate the preprocedural predictors of left ventricular systolic function Recovery after TAVR
- Trial name
- NCT05069168
- Testing
- Echocardiography before and after TAVR
- Where
- Egypt
- Volunteers
- 75 people
- Sponsor
- Assiut University
Infant, Premature, Ductus Arteriosus, Patent
Urine NT-proBNP Levels and Echocardiographic Findings in Very Low Birth Weight (VLBW) Infants
The aim of the study is to evaluate urine NT-proBNP levels and new Echocardiographic Findings in VLBW infants. The investigators hypothesize that high urine NT-proBNP concentrations are associated with a hemodynamically…
- Conditions
- Infant, Premature, Ductus Arteriosus, Patent, Ventricular Function, Left
- Trial name
- NCT00799123
- Where
- Germany
- Volunteers
- 100 people
- Sponsor
- Charite University, Berlin, Germany
Left Ventricular Function, Arrhythmia
Impact of Radiofrequency Ablation on Left Ventricular Function in Supraventricular Tachyarrhythmias Patient Using Speckle Tracking Echocardiography
In this study, we aimed to evaluate atrial and ventricular function in supraventricular tachyarrhythmia patients before and 3 months after RFA using 2DSTE.
- Trial name
- NCT05225662
- Testing
- radiofrequency ablation
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Assiut University
Hypoplastic Left Heart Syndrome, Obstructive Sleep Apnea Syndrome
Sleep Disordered Breathing in Children With Single Ventricle Physiology
This is an exploratory study designed to evaluate the incidence of, and to quantify sleep disordered breathing following stage I Norwood reconstructive surgery. Sleep disordered breathing will be correlated with: 1.
- Conditions
- Hypoplastic Left Heart Syndrome, Obstructive Sleep Apnea Syndrome, Single Ventricle Physiology
- Trial name
- NCT00156455
- Where
- United States
- Sponsor
- University of Rochester
Acute Hypovolemia
Esophageal Echo Assessment of LV Function During Acute Normovolemic Hemodilution Using Crystalloid or Hypertonic Saline
The purpose of this study is to examine how the heart functions when a calculated amount of blood is removed and how two fluids, Lactated Ringer's (considered the standard replacement fluid) and Hypertonic Saline, re-expand the…
- Trial name
- NCT00683007
- Testing
- Volume resuscitation (Crystalloid), Volume resuscitation (Hypertonic Saline Solution)
- Where
- United States
- Volunteers
- 9 people
- Sponsor
- University of California, Davis