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The Beers Criteria for Potentially Inappropriate Medication Use in Older Adults, commonly called the Beers List, [1] are guidelines published by the American Geriatrics Society (AGS) for healthcare professionals to help improve the safety of prescribing medications for adults 65 years and older in all except palliative settings.
[2] [3] Its elimination half-life is increased in the elderly (170 hours for men aged 20–49 years, 300 hours for men aged >70 years). [1] No dosage adjustment is necessary in the elderly nor in patients with renal impairment. [1] Because of its long elimination half-life, dutasteride requires 5 to 6 months to reach steady-state concentrations ...
Iopromide use is contraindicated in myelography, cerebral ventriculography and cisternography procedures. It is also contraindicated in those with hyperthyroidism, or with known allergy to the drug. [4] Iopromide is also contraindicated in children with prolonged fasting, fluid restriction, on laxative, or dehydration as it can cause renal ...
The World Health Organization issued a restriction on use of several gadolinium contrast agents in November 2009 stating that "High-risk gadolinium-containing contrast agents (Optimark, Omniscan, Magnevist, Magnegita, and Gado-MRT ratiopharm) are contraindicated in patients with severe kidney problems, in patients who are scheduled for or have ...
Iodinated contrast contains iodine.It is the main type of radiocontrast used for intravenous administration.Iodine has a particular advantage as a contrast agent for radiography because its innermost electron ("k-shell") binding energy is 33.2 keV, similar to the average energy of x-rays used in diagnostic radiography.
Raloxifene, sold under the brand name Evista among others, is a medication used to prevent and treat osteoporosis in postmenopausal women and those on glucocorticoids. [6] For osteoporosis it is less preferred than bisphosphonates. [6]
Drug interactions are similar to other iodine-containing contrast agents. Iodine-131 , a radioactive isotope used for thyroid imaging ( scintigraphy ) and therapy of thyroid cancers , can be less effective when used within two to six weeks after application of iotrolan because of residual iodine in the body.
A contrast agent (or contrast medium) is a substance used to increase the contrast of structures or fluids within the body in medical imaging. [1] Contrast agents absorb or alter external electromagnetism or ultrasound , which is different from radiopharmaceuticals , which emit radiation themselves.