Clinical trials: Transesophageal Echocardiography
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
Cardiac Surgery
Quantification of Right Ventricular Function Using Simultaneous Transthoracic and Transoesophageal Echocardiography
The aims of this study are to evaluate the usefulness of various methods of quantifying right ventricular (RV) function using perioperative transoesophageal echocardiographic (TOE), compared with simultaneous transthoracic…
- Trial name
- NCT03954002
- Testing
- TTE and TOE
- Where
- Singapore
- Sponsor
- National University Hospital, Singapore
Echocardiography, Transesophageal, Out-of-Hospital Cardiac Arrest
Prehospital TEE in Cardiac Arrest
This study shall investigate the feasibility of prehospital performed trans-esophageal echocardiography in out of hospital cardiac arrest.
- Trial name
- NCT05185596
- Testing
- Transesophageal Echocardiography
- Where
- Austria
- Volunteers
- 10 people
- Sponsor
- Medical University of Vienna
Knowledge, Attitudes, Practice, Cardiovascular Diseases
Effectiveness of Simulation-based Training on Transoesophageal Echocardiography Learning
Background: Simulation-based training in transesophageal echocardiography (TEE) seems promising. However, data are limited to non-randomized or single-center studies.
- Conditions
- Knowledge, Attitudes, Practice, Cardiovascular Diseases, Valvular Heart Disease
- Trial name
- SIMULATOR (NCT05564507)
- Testing
- TEE simulation-based training
- Where
- France
- Volunteers
- 385 people
- Sponsor
- Groupe des jeunes de la filiale d'imagerie cardiovasculaire
Heart Surgical Procedure
Blood Velocity Variation in Right Renal and Superior Mesenteric Arteries During Cardio-pulmonary Bypass
The cardiopulmonary by-pass technique, used in cardiac surgery to obtain a bloodless operating field and an immobile heart, determines important effects on the blood vessel wall, especially when a continuous and non-continuous…
- Trial name
- NCT06009809
- Testing
- transesophageal echocardiogram
- Where
- Italy
- Volunteers
- 92 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Thrombus
Accuracy of the 64 Slices Computed Tomography for the Diagnosis of Left Atrial Appendage Thrombus
Transoesophageal echocardiography (TEE) is considered as the gold standard method for detection of left atrial appendage (LAA) thrombus but is a semi-invasive investigation.
- Trial name
- THROMBI-SCAN (NCT01147796)
- Testing
- computed tomography
- Where
- France
- Volunteers
- 52 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Epidural Space
Transesophageal Echocardiography (TEE) to Guide and Confirm Epidural Catheters in Pediatric Patients
The aim of this study is to assess whether transesophageal echocardiography (TEE) can be used to successfully guide an epidural catheter to a targeted thoracic level in pediatric patients.
- Trial name
- NCT02415998
- Testing
- TEE
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- Kenichi Ueda
Left Ventricular Function, Cardiac Surgery
Artificial Intelligence Versus Anesthesiologist Visual Assessment of Ejection Fraction by Transesophageal Echocardiography During Cardiac Surgery
This prospective observational study evaluated the reliability of a general-purpose artificial intelligence application in estimating left ventricular ejection fraction from intraoperative transesophageal echocardiography images…
- Trial name
- NCT07841327
- Testing
- Artificial Intelligence Assessment of TEE Images
- Where
- Egypt
- Volunteers
- 93 people
- Sponsor
- Ain Shams University
Ischemic Heart Disease
Saline Bag and TEE During Cardiac Displacement
During cardiac displacement for off-pump coronary artery bypass(OPCAB) surgery, the presence of air underneath the displaced heart compromises the transgastric (TG) window for transoesophageal echocardiography(TOE).
- Trial name
- NCT01616979
- Testing
- placing saline bag during cardiac displacement
- Where
- South Korea
- Volunteers
- 13 people
- Sponsor
- Konkuk University Medical Center
Heart Valve Disease, Heart Septal Defects, Atrial
Comparative Effects of Dexmedetomidine and Ketofol for Sedation in Patients Undergoing Trans-esophageal Echocardiography
The purpose of the study is to compare dexmedetomidine and ketofol to find a suitable alternative for moderate sedation in out-patient diagnostic trans-esophageal echocardiography.
- Trial name
- KDTEE (NCT02867930)
- Testing
- Dexmedetomidine, Ketofol(ketamine+propofol)
- Where
- India
- Volunteers
- 50 people
- Sponsor
- Post Graduate Institute of Medical Education and Research, Chandigarh
Right Ventricular Dysfunction
Right Ventricular Dysfunction in Cardiac Surgery Patients
To establish the correlation between echocardiographic parameters of the RV, measured with TEE and the right ventricular ejection fraction (thermodilution).
- Trial name
- NCT03183414
- Testing
- echocardiographic measurements
- Where
- Netherlands
- Volunteers
- 15 people
- Sponsor
- Frisius Medisch Centrum
Diastolic Dysfunction
Perioperative Measurements of Diastolic Function in Cardiac Surgery
This observational clinical trial will investigate the following perioperative indices relating to cardiac surgery: 1. The significance of measurements involving left heart relaxation (LV diastolic function) and its relation to…
- Trial name
- NCT02285309
- Testing
- Cardiac Surgery and enoximone
- Volunteers
- 100 people
- Sponsor
- University College, London
Procedural Sedation
A Safety Study of AQUAVAN® (Fospropofol Disodium) Injection for Sedation During Minor Surgical Procedures.
Very often patients receive medications before a diagnostic, therapeutic, or surgical procedure to help them relax, keep them calm, and to relieve them from pain. This is called procedural sedation.
- Trial name
- NCT00327392
- Testing
- AQUAVAN® (fospropofol disodium) Injection
- Where
- 15 sites in United States
- Volunteers
- 123 people
- Sponsor
- Eisai Inc.
Left Ventricular Function Diastolic Dysfunction, Fluid Responsiveness
Evaluation of the E/e' Ratio of the Mitral Annulus in Predicting Fluid Responsiveness.
Diastolic function may be evaluated by different measurements on transesophageal echocardiography (TEE). They include mitral inflow velocities obtained by pulsed-wave doppler (PW) : peak early diastolic velocity (E) and late…
- Trial name
- NCT02714244
- Testing
- Volume expansion
- Where
- Canada
- Volunteers
- 70 people
- Sponsor
- Montreal Heart Institute
Coronary Artery Disease, Anesthesia
Influence of Oxygen on Perioperative Outcome in Patients Undergoing General Anaesthesia for Elective Non-cardiac Surgery
The purpose of this study is to investigate the impact of supraphysiologic oxygen (hyperoxia) on myocardial function in anaesthetized patients undergoing non-cardiac vascular surgery.
- Trial name
- Promise-O2 (NCT04808401)
- Testing
- Oxygen
- Where
- Switzerland
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern
Echocardiography, 2-D
Specke Tracking Echocardiography And Filling Pressures
Determining the LV filling pressure is a key element in the diagnosis and management of patients with suspected decompensated heart failure.
- Trial name
- TEE (NCT02854865)
- Testing
- echocardiography
- Where
- Austria
- Volunteers
- 30 people
- Sponsor
- Medical University of Vienna
Cardiac Diseases
MEOPA-coupled Hypnosis Versus MEOPA-standard Care in Transesophageal Echocardiography
The primary purpose is to evaluate the impact of hypnosis coupled with MEOPA (Equimolar Mix-ture of Nitrogen Protoxide and Oxygen) on patient comfort when performing transoesophageal echocardiographies.
- Trial name
- HYPNETO (NCT04398017)
- Testing
- Transesophageal echography
- Where
- France
- Volunteers
- 80 people
- Sponsor
- University Hospital, Strasbourg, France
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
Gagging During Transesophageal Echocardiography
Acupuncture for Relief of Gag Reflex
The aim of the study is to test whether stimulation of acupuncture points CV24 and P6 is better than placebo acupuncture in treatment of gagging in patients undergoing elective transesophageal echocardiography (TEE)
- Trial name
- AcuGag (NCT03821428)
- Testing
- Acupuncture
- Where
- Germany
- Volunteers
- 60 people
- Sponsor
- University Medicine Greifswald
Comparison of 3D Monitored Changes of Left Atrial Volume Before and After Ablation With Conventional Transesophageal Echocardiography
Assessment of Left Atrial Mechanical Function With a True 3D Ultrasouns Arry and Comparison With the Transthoracic and Transesophageal Echocardiography
Chronic atrial fibrillation is a challenging arrhythmia requiring additional radiofrequency ablation besides pulmonary vein isolation. Atrial contractility in these patients is often impaired.
- Trial name
- NCT03331029
- Testing
- transesophageal investigation
- Where
- Switzerland
- Volunteers
- 100 people
- Sponsor
- Klinik Hirslanden, Zurich