neurological emergencies 3haxap
2009-08-03 - extension: pdf - size: 6 MB
neurological emergencies 3haxap
Neurological Emergencies: Richard A.C. Hughes
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MRI Injuries, Patients w/ Implanted Neurological Stimulators FDA recently issued a notification to health care professionals which warned about the possibility (More) FDA recently issued a notification to health care professionals which warned about the possibility of serious injury if patients with implanted neurological stimulators undergo MRI exams. The injuries reported to FDA have included coma and permanent neurological damage. They were likely caused by heating of the electrodes at the tip of the leads.
Neurological stimulators include a fairly wide variety of products i.e., neuromuscular stimulators, deep brain stimulators, spinal cord stimulators, vagus nerve stimulators and peripheral nerve stimulators.
Physicians who either implant these stimulators or monitor patients who have them should warn patients that if an MRI procedure was prescribed, they should check back with the monitoring physician and make sure it can be performed safely.
In addition, radiology personnel should screen patients for the presence of implants before performing an MRI exam. It's important to ask about both present and past implants. That's because sometimes when an implant is removed, the pulse generator is explanted but the leads remain in place in the patient. These leads can be heated by the MRI and cause a problem as well.
If the patient does have an implanted neurological stimulator, then consider consulting with the referring physician about other imaging options. If it's decided that an MRI procedure is indicated, be sure to review the labeling for the specific model stimulator, and pay particular attention to warnings and precautions. For some stimulators, the labeling may specify the types or strengths of MRI equipment that can be used. But with other stimulators, certain MRI procedures simply can't be performed. (Less)
VA - Neurology Vol 3-Compiled By DJ Edoardo-2009-UPE
2009-11-03 - extension: rar - size: 117 MB
VA - Neurology Vol 3-Compiled By DJ Edoardo-2009-UPE
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