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Research leaps MR barrier
Seminal research in Europe has found that artifacts encountered at very high strength MR fields can be overcome without endangering patient safety. A study published in the September issue of the British Journal of Radiology produced submillimeter
Seminal research in Europe has found that artifacts encountered at very high strength MR fields can be overcome without endangering patient safety. A study published in the September issue of the British Journal of Radiology produced submillimeter in-plane resolution of the brains of 10 healthy subjects using a fast spin-echo sequence optimized to work in a 4.7T environment.
Researchers at University College London optimized the number of echoes, the repetition time, and the time spent acquiring each echo to conform with U.K. safety guidelines (4 watts/Kg in the head) for specific absorption rate. They obtained uniform T2-weighted contrast images, despite substantial radio-frequency nonuniformity, by using a four-channel birdcage RF coil that allowed less sensitivity in the central coil region.
New Literature Review Assesses Merits of Cardiac MRI After Survival of Sudden Cardiac Arrest
April 19th 2024While noting inconsistencies with the diagnostic yield of cardiac MRI in patients who survived sudden cardiac arrest, researchers cited unique advantages in characterizing ischemic cardiomyopathy (ICM) and facilitating alternate diagnoses.
Study of Ofatumumab for Multiple Sclerosis Shows 'Profoundly Suppressed MRI Lesion Activity'
April 17th 2024The use of continuous ofatumumab in patients within three years of a relapsing multiple sclerosis diagnosis led to substantial reductions in associated lesions on brain MRI scans, according to research recently presented at the American Academy of Neurology (AAN) conference.
