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 - Contrast agents

Lowering the amount of iodinated contrast medium (ICM) administered intravenously to high-risk patients before a CT scan to less than 90 ml reduces the risk of contrast-induced acute kidney injury (CI-AKI), according to a study published in the October edition of Clinical Radiology.

 - Brain on scale

Transcranial Doppler ultrasound is a cost-effective way to identify patients with carotid artery stenosis who are candidates for aggressive intervention, according to a study published online Sept. 16 in Radiology.

 - No radiation

Researchers found increases in image noise equivalent to a 50 percent reduction in patient radiation dose on low-contrast liver CT scans can be achieved without substantially affecting sensitivity, according to a study published in the October issue of Academic Radiology.

 - cancer

A shorter course of androgen deprivation therapy (ADT) can improve quality of life for high-risk prostate cancer patients by helping them recover a normal testosterone level in a shorter amount of time, according to research presented at the American Society for Radiation Oncology’s (ASTRO’s) 56th Annual Meeting in San Francisco.

 - Radiation

WASHINGTON, D.C.—Use of a pelvic lead shield draped on a patient and a nonlead cap worn by an operator during coronary angiography reduced physician radiation exposure by more than 75 percent in a study presented Sept. 14 at the Transcatheter Cardiovascular Therapeutics scientific session.