Clinical trials: Echocardiography, Three-Dimensional
Atrial Septal Defect, Successful Device Closure
Efficacy of Three Dimensional Transesophageal Echocardiography for Percutaneous Device Closure in Atrial Septal Defect
Background: Three-dimensional echocardiographic image for atrial septal defect (ASD) is useful for evaluation of defect size and shape.
- Trial name
- ASD (NCT02097758)
- Testing
- Transcatheter device closure
- Where
- South Korea
- Volunteers
- 100 people
- Sponsor
- Asan Medical Center
Heart Failure，Congestive
Left Ventricular Dyssynchrony in Multipole Pacing
Left ventricular dyssynchrony will be assessed by echocardiography using different programming of an implantable cardioverter defibrillator.
- Trial name
- NCT03187470
- Testing
- Different programming of a CRT defibrillator
- Where
- Germany
- Volunteers
- 41 people
- Sponsor
- Adnan Kastrati, MD
Coronary Artery Bypass Surgery, Right-Sided Heart Failure
The SWEDEGRAFT Right-Heart-Substudy
BACKGROUND Right ventricular dysfunction is a common echocardiographic finding after cardiac surgery. Pericardial disruption has been suggested as the most probable cause as the phenomenon occurs within minutes after pericardial…
- Trial name
- NCT05049421
- Testing
- Echocardiography
- Where
- Denmark
- Volunteers
- 207 people
- Sponsor
- Aarhus University Hospital Skejby
Radiography, Interventional
Non Invasive Use of Pressure-Volume Loop in the Operating Room
In patients under general anesthesia, the prevention of intraoperative hypotension to maintain blood pressure (BP) close to the initial blood pressure, i.e.
- Trial name
- LOOPING (NCT03921164)
- Testing
- Trans-oesophageal Doppler, Trans-thoracic echocardiography, Applanation tonometry
- Where
- France
- Volunteers
- 42 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Sleep Apnea Syndromes
Left Atrial Volume and Function Evaluation in Patients With Obstructive Sleep Apnea
The purpose of this study is to determine whether patients with obstructive sleep apnea have any changes in left atrial morphology and function evaluated by echocardiography three dimensional
- Trial name
- NCT00570115
- Where
- Brazil
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- Associação Fundo de Incentivo à Pesquisa
3D Transesophageal and Transthoracic Echocardiogram
Left Ventricular Volume and Ejection Fraction: Validation of Real Time 3 Dimensional Transesophageal Echocardiography
Echocardiography is an ultrasound-based imaging technique which can be performed through the esophagus (which lies behind the heart) and through the chest wall; both TEE and TTE are performed routinely as a monitoring and…
- Trial name
- NCT01734174
- Testing
- transesophageal echocardiography (TEE), thermodilution, transthoracic echocardiography (TTE)
- Where
- United States
- Sponsor
- Weill Medical College of Cornell University
Heart Failure
Guided Placement of CRT-Leads
In this open, prospective, randomized, parallel group, German-American, two-center, Phase I study the standard-approach CRT-implantation will be compared to a guided CRT-implantation after determining the site of latest…
- Trial name
- EK138/08 (NCT00764075)
- Testing
- Beutel TM, standard, software Beutel TM
- Where
- Germany
- Volunteers
- 132 people
- Sponsor
- RWTH Aachen University
Hypertrophic Obstructive Cardiomyopathy
Quantitative Assessment of Hypertrophic Obstructive Cardiomyopathy With Intraoperative Three-dimensional Transesophageal Echocardiography Under Provocative Dobutamine Stress Test
The objectives of this study are to determine if the left ventricle outflow tract (LVOT) gradients may be reproduced with dobutamine (DBT) provocation test in obstructive HCM patients under general anesthesia and to analyze the…
- Trial name
- NCT05025644
- Testing
- Pre and post-CPB Drug: Dobutamine Hydrochloride, Post-CPB Drug: Dobutamine Hydrochloride
- Volunteers
- 60 people
- Sponsor
- University Health Network, Toronto