Results 61 to 70 of about 95,936 (107)
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Safety of ultrasound contrast agents

European Radiology, 2005
The use of ultrasound contrast agents has increased over recent years. The Contrast Media Safety Committee (CMSC) of the European Society of Urogenital Radiology (ESUR) decided to review the safety of ultrasound contrast agents in humans and to draw up guidelines. A comprehensive literature search and review was carried out.
Jarl A, Jakobsen   +3 more
openaire   +4 more sources

Response of contrast agents to ultrasound

Advanced Drug Delivery Reviews, 2008
Microbubbles are used as ultrasonic contrast agents that enhance the ultrasound signals of the vascular bed. The recent development of site-targeted microbubbles opened up the possibility for molecular imaging as well as localised drug and gene delivery.
Vassilis Sboros
openaire   +4 more sources

Ultrasound contrast agents: An overview

European Journal of Radiology, 2006
With the introduction of microbubble contrast agents, diagnostic ultrasound has entered a new era that allows the dynamic detection of tissue flow of both the macro and microvasculature. Underpinning this development is the fact that gases are compressible, and thus the microbubbles expand and contract in the alternating pressure waves of the ...
David Cosgrove
openaire   +4 more sources

Contrast Agents in diagnostic ultrasound

Ultrasound in Medicine & Biology, 1989
We review the field of contrast agents in diagnostic ultrasound. The progress in the development of various classes of contrast agents such as free and encapsulated gas bubbles, colloidal suspensions, emulsions, and aqueous solutions is described. The mechanisms for production of backscatter contrast, as well as attenuation contrast and speed of sound ...
J, Ophir, K J, Parker
openaire   +3 more sources

Ultrasound contrast agents for echocardiography

Drugs of Today, 2000
There is a need to monitor perfusion of the microcirculation in patients with minimal invasive approaches. The recent development of ultrasound contrast agents may open such an opportunity and permit to visualize online perfusion of cardiac muscle and other organs.
T, Yasu, G W, Schmid-Schönbein
openaire   +2 more sources

Ultrasound contrast agents

Journal of Drug Delivery Science and Technology, 2013
Microbubbles, developed as ultrasound contrast agents for vascular imaging are valuable theranostic agents for multiple biomedical applications. The utility of these agents can be attributed to their unique response to ultrasound. When exposed to an acoustic pulse, microbubbles can resonate to create a strong acoustic signal that can be used to ...
M.A. Wheatley, M. Cochran
openaire   +2 more sources

Standard Properties of Ultrasound Contrast Agents

Ultrasound in Medicine & Biology, 1998
A standardization procedure for in vitro acoustic characterization of ultrasound contrast agents is presented. One new acoustic parameter for particular importance is retained: This is STAR, scattering-to-attenuation ratio, for quantification of the effectiveness of the contrast agent. The STAR expresses the ability of the contrast agent to enhance the
Bouakaz, A, Jong, Nico, Cachard, C
openaire   +2 more sources

Ultrasound Contrast Agents For Ultrasound Molecular Imaging

Zeitschrift für Gastroenterologie, 2014
Ultrasound is a real-time imaging technique which is widely used in many clinical applications for its capacity to provide anatomic information with high spatial and temporal resolution. The advent of ultrasound contrast agents in combination with contrast-specific imaging modes has given access to perfusion assessments at an organ level, leading to an
F, Tranquart   +7 more
openaire   +2 more sources

Ultrasound Contrast Agents

Journal of Diagnostic Medical Sonography, 1997
The introduction of ultrasound contrast agents will bring new applications of this diagnostic imaging technology into clinical practice. Vascular, organ-specific, and oral agents are now in clinical trials and will soon be available. The development and properties of ultrasound contrast agents, most of which are based on gas-filled microbubbles, are ...
A. Bauer, R. Schlief
  +4 more sources

Ultrasound Contrast Agents and Ultrasound Molecular Imaging

Journal of Nanoscience and Nanotechnology, 2014
Ultrasound imaging in combination with microbubble contrast agents has demonstrated its potential for molecular imaging of vascular targets. In this article, we systematically review the technologies related to ultrasound molecular imaging. First, we introduce the basic principles of ultrasound molecular imaging. Then, we discuss ultrasound microbubble
Qiaonong, Wen   +5 more
openaire   +2 more sources

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