Determination of a Safe Dose of Optison in Pediatric Patients With Solid Tumors
Completed
St. Jude Children's Research Hospital
Phase 1
2002-06-01
St. Jude Children's Research Hospital is studying ways to make ultrasound images clearer - to
be able to see blood vessels, body structures, and tumors better. Ultrasound uses sound waves
to create pictures, allowing doctors and other medical professionals to "see" inside the
body.
Researchers are studying a contrast agent (like a dye) called Optison™. St. Jude Children's
Research Hospital researchers want to learn the best and safest dose of this ultrasound
"dye."
Assessing Myocardial Blood Flow and Blood Flow Reserve by Transoesophageal Echocardiography (TEE)
Withdrawn
University Hospital, Basel, Switzerland
Phase 1/Phase 2
2006-08-01
Until today it was not possible to reliably assess the function of a new bypass, i.e., to
measure myocardial perfusion. Measuring intramyocardial blood flow directly after
revascularisation would greatly improve the assessment of graft function. With transthoracic
contrast echocardiography, myocardial perfusion can be reliably assessed, as it has been
shown in numerous studies. In the first part of the study the investigators will clarify
methodological aspects of contrast echocardiography. In the second part they will analyze the
validity of contrast TEE in the operating room.
Detection of Coronary Stenosis With Intravenous Microbubbles
Withdrawn
University of Nebraska
N/A
2012-02-01
To detect coronary artery disease by both coronary and carotid artery imaging and myocardial
perfusion imaging using a new low mechanical index real time system.
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