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Vascular Magnetic Resonance Imaging News

FDA Issues Tougher Warning on MRI Dye Tied to Brain Effects

Posted 19 Dec 2017 by

TUESDAY, Dec. 19, 2017 – The U.S. Food and Drug Administration on Tuesday called for tougher warnings and "additional research" into a dye commonly used with standard MRIs. The dye – a "contrast agent" – contains a metal called gadolinium. It made news recently after claims from actor Chuck Norris that its use during MRI scans seriously affected his wife's brain. Contrast agents are injected into the body during an MRI scan to enhance image quality. In November, Norris and his wife, Gena, filed a lawsuit against several medical companies alleging she fell ill after exposure to gadolinium during MRI scans. The suit said Gena Norris was left weak, tired and suffering bouts of pain and burning sensations. After reviewing available data, the FDA on Tuesday recommended that radiologists consider how much gadolinium might be left behind in a patient's body when selecting a gadolinium-based ... Read more

Related support groups: Body Imaging, Head Imaging, Vascular Magnetic Resonance Imaging

Right Brain Scan Could Aid in Stroke Recovery: Study

Posted 31 Mar 2016 by

THURSDAY, March 31, 2016 – Examining the right side of the brain might help predict speech and language recovery in people who suffer a stroke on the left side of the brain, researchers say. The left side of the brain is dominant in language and speech. And, stroke damage on that side often results in difficulty speaking, naming, repeating and understanding language – a condition called aphasia, explained the authors of the study, published March 30 in the journal Neurology. "Aphasia is a common and devastating symptom for people who have strokes on the left side of the brain," said study author Dr. Gottfried Schlaug of Harvard Medical School, in Boston. "Although many people recover to some degree, many people never make a full recovery, even after intense speech therapy," he said in a journal news release. Schlaug and his colleagues used MRI brain scans and speech-fluency tests to ... Read more

Related support groups: Ischemic Stroke, Transient Ischemic Attack, Ischemic Stroke - Prophylaxis, Diagnosis and Investigation, Intracranial Hemorrhage, Head Imaging, Vascular Magnetic Resonance Imaging

MRIs Before Breast Cancer Surgery on the Rise: Study

Posted 24 Sep 2015 by

THURSDAY, Sept. 24, 2015 – The use of MRI scans before breast cancer surgery has risen eightfold over the past decade, even though guidelines on their use in this setting are inconsistent, a new study shows. This increased use of MRI – magnetic resonance imaging – is also linked to an increase in further testing, longer wait times to surgery, a higher likelihood of a mastectomy instead of breast-conserving surgery, and a higher likelihood of having the healthy, opposite breast removed, the Canadian researchers reported. No guidelines support the routine use of preoperative MRI in women diagnosed with breast cancer, said lead researcher Dr. Matthew McInnes, of The Ottawa Hospital. Various organizations describe it as an optional procedure, as it can detect cancers that are missed with other tests. In the study, the researchers examined numerous health care databases in the province of ... Read more

Related support groups: Breast Cancer, Breast Cancer, Metastatic, Breast Cancer - Adjuvant, Breast Cancer, Prevention, Magnetic Resonance Angiography, Diagnosis and Investigation, Vascular Magnetic Resonance Imaging

CT Scan Use in Children Dropped Over Past Decade

Posted 24 Aug 2015 by

MONDAY, Aug. 24, 2015 – Children are receiving fewer CT scans now than a decade ago, dovetailing with a move to radiation-free MRI scans and ultrasounds, a recent study shows. Though several reasons might explain the shift, the study's lead author, Dr. Michelle Parker, said the underlying reason may be a push to limit youngsters' exposure to radiation. "Over the time of our study, there has been a deliberate push to increase awareness of the potential harms of ionizing radiation," said Parker, an assistant professor of pediatrics at the University of Cincinnati in Ohio. CT scans, or computed tomography, use ionizing radiation, like X-rays, to provide detailed views of internal organs, soft tissue and blood vessels. Ionizing radiation has been linked to an increased cancer risk. Neither MRIs nor ultrasounds involve radiation. MRIs use a large magnet to create images and have no known ... Read more

Related support groups: Ultrasound, Diagnosis and Investigation, Body Imaging, Computed Tomography, Vascular Magnetic Resonance Imaging

MRI Might Predict Breast Cancer Risk in Some Women

Posted 12 May 2015 by

TUESDAY, May 12, 2015 – Women at high risk of breast cancer often have routine MRI scans to try to detect any tumors early. Now a new study hints the scans might also predict which women are most likely to develop cancer in the near future. Researchers found that among high-risk women who had MRI screening, those with a particular feature in the scans – namely, areas of background breast tissue that appear white – were nine times more likely to develop breast cancer over the next couple of years. The findings, published online May 12 in Radiology, suggest that MRIs could have value beyond detecting breast cancer. "It's possible that down the line, we could use it to help predict which women will develop breast cancer," said Dr. Habib Rahbar, a radiologist at the University of Washington School of Medicine, who worked on the study. Rahbar stressed the findings are based on a small ... Read more

Related support groups: Breast Cancer, Breast Cancer, Prevention, Diagnosis and Investigation, Body Imaging, Vascular Magnetic Resonance Imaging

Malpractice Fears Spurring Most ER Docs to Order Unnecessary Tests

Posted 24 Mar 2015 by

TUESDAY, March 24, 2015 – Nearly all emergency room doctors surveyed order pricey MRIs or CT scans their patients may not need, mainly because they fear malpractice lawsuits, according to a new report. Of 435 ER physicians who completed the survey, 97 percent admitted to ordering some advanced imaging scans that weren't medically necessary, the findings showed. Such scans contribute to the estimated $210 billion wasted annually on unnecessary tests, procedures and treatments, the researchers contended. Physicians said they ordered too many imaging tests because they are worried about missing an unlikely – but possible – illness, and fear being sued if they don't cover all their bases, the survey revealed. The ER docs surveyed also suspect they aren't the only staff doing this. More than 85 percent believe too many diagnostic tests are ordered in their own emergency departments, by ... Read more

Related support groups: Diagnosis and Investigation, Computed Tomography, Vascular Magnetic Resonance Imaging

MRI May Spot Early Signs of Mental Decline, Study Finds

Posted 7 Oct 2014 by

TUESDAY, Oct. 7, 2014 – An MRI scan that measures blood flow in the brain may help predict which older adults are at risk for future memory loss, a preliminary study suggests. The researchers found that, in some apparently healthy older adults, the MRI technique was able to pick up reductions in blood flow to a brain region linked to memory. And those people were more likely than their peers to show subtle memory loss 18 months later. The results, reported online Oct. 7 in the journal Radiology, do not mean older adults should rush out to get brain scans, the researchers stressed. But with more study, the MRI technique might prove useful for catching mental decline early. "That's the aim in the long term," said study leader Dr. Sven Haller, a senior physician at the University Hospitals of Geneva, in Switzerland. For now, Haller said, the technology could be used in research – ... Read more

Related support groups: Mild Cognitive Impairment, Diagnosis and Investigation, Vascular Magnetic Resonance Imaging

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