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TSRI Researchers Find Standard Pacemakers And Defibrillators Safe For Mri Using A New Protocol
The MagnaSafe Registry, a new multicenter study led by scientists at The Scripps Research Institute (TSRI), has demonstrated that appropriately screened and monitored patients with standard or non-MRI-conditional pacemakers and defibrillators can undergo MRI at a field strength of 1.5 tesla without harm. These devices are not presently approved by the US Food and Drug Administration (FDA) for MRI scanning.
The researchers observed no patient deaths, device or lead failures, losses of pacing function or ventricular arrhythmias in 1,500 patients who underwent MRI using a specific protocol for device interrogation, device programming, patient monitoring and follow-up designed to reduce the risk of patient harm from MRI effects.
The research will be published as an Original Article in the issue of The New England Journal of Medicine.
New Study Defines a Protocol for MRI Scanning and Defin
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MRI-Guided Laser Surgery Proving Effective For Some Epilepsy Patients
Melanie Vandyke wasn’t exactly eager to have brain surgery.
“I was very nervous, afraid it might make things worse,” Vandyke said of the relatively new procedure that was being recommended to her by epilepsy specialists at Wake Forest Baptist Medical Center.
Even though the operation had the potential to relieve the seizures she had been experiencing for nearly 15 years by eradicating a lesion on her right medial temporal lobe, Vandyke said she was “ready to not have it.”
But discussions with her neurologist, Dr. Cormac O’Donovan, and other members of the team at Wake Forest Baptist’s Comprehensive Epilepsy Center eventually convinced Vandyke that “they were really dedicated to helping me, not setting me back,” so she agreed to the procedure.
That was almost four years ago. She has been seizure-free ever since.
The operation Vandyke underwent is called MRI-guided laser ablation surg
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Model Helps Explain Why Some Patients With Multiple Sclerosis Have Seizures
Multiple sclerosis (MS) is an autoimmune disease of the central nervous system that affects nearly 2.3 million people worldwide. MS is triggered when the immune system attacks the protective covering around nerve fibers, called the myelin sheath. The "demyelination" that follows damages nerve cells and causes impaired exchange of information between the brain and body as well as within the brain itself.
As the protective sheath -- best imagined as the insulating material around an electrical wire -- wears off, nerve signals slow down or stop. The result is impairment to a patient's vision, sensation, and use of limbs depending where the damage takes place. Permanent paralysis occurs when nerve fibers are destroyed by the disease.
As though this were not enough, MS patients are three to six times more likely to develop seizures -- abnormal hyperactivity of nerve cells -- compared to the
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Repetitive Head Injuries May Not Cause Movement Problems For Former NFL Players
Former NFL players who had repeated head injuries may not have significant problems with motor functions later in life, according to a preliminary study released today that will be presented at the American Academy of Neurology’s 69th Annual Meeting in Boston, April 22 to 28, 2017.
Motor functions are complex movements where the muscles and nerves work together, like walking, kicking and writing.
Repeated head injuries have been shown to lead to chronic traumatic encephalopathy (CTE), a degenerative brain disease that causes thinking, behavior, and mood problems. Problems with motor functions have also been documented among former boxers who had repeated head injuries and were later confirmed to have CTE. Researchers wanted to know if former NFL players experience similar motor function problems from repeated head injuries.
“We found that while the motor functions of former NFL playe