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MRI contrast agents are contrast agents used to improve the visibility of internal body structures in magnetic resonance imaging (MRI). [1] The most commonly used compounds for contrast enhancement are gadolinium-based contrast agents (GBCAs).
In 2006, the link between NSF and gadolinium-based MRI contrast agents was made. [4] [23] [24] As a result, restrictions on use of GBCAs in patients with an estimated glomerular filtration rate (a measure of kidney function) under 60 and especially under 30 mL/min/1.73 m 2 have been recommended and NSF is now considered rare. [5]
Gadoteric acid, sold under the brand name Dotarem among others, is a macrocycle-structured gadolinium-based MRI contrast agent (GBCA).It consists of the organic acid DOTA as a chelating agent, and gadolinium (Gd 3+), and is used in form of the meglumine salt (gadoterate meglumine).
In patients with kidney failure, there is a risk of a rare but serious illness called nephrogenic systemic fibrosis (NSF) [61] that is caused by the use of gadolinium-based contrast agents. The disease resembles scleromyxedema and to some extent scleroderma. It may occur months after a contrast agent has been injected.
Gadopiclenol has a higher relaxivity compared with standard gadolinium-based contrast agents (GBCAs). The higher relaxivity allows for a lower dose of gadopiclenol, reducing the total amount of gadolinium administered to the patient while preserving imaging quality.
Two new studies suggest once again the importance of getting a good night's sleep for good health over a lifetime, as scientists pursue new understandings of restorative deep sleep.
A bottle of Omniscan contrast agent. Gadodiamide is a contrast medium used for cranial and spinal magnetic resonance imaging (MRI) and for general MRI of the body after intravenous administration. It provides contrast enhancement and facilitates visualisation of abnormal structures or lesions in various parts of the body including the central ...
As bird flu cases continue to rise in the U.S., heavily impacting egg-laying flocks, so have the prices on cartons of fresh eggs due to dwindling supply. Egg prices are through the roof, up nearly ...