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Researchers Devise Method of Monitoring Embolized Brain Aneurysms Without Making Patients Turn Nuclear

November 7th, 2011 Scott Jung Neurology, Neurosurgery, Vascular Surgery

If you’re ever unlucky enough to suffer from a cerebral aneurysm, a potentially deadly condition in which the weakened wall of an artery in the brain begins to bulge and balloon out, doctors typically will insert a “plug” made of microscopic coils of platinum to prevent blood flow to the weakened area. However, to determine if the embolization device is even working properly, a CT scan must be performed, meaning subjecting your thinker to high doses of radiation, or an angiogram, meaning probing your arteries with catheters and dyes and more radiation.

However, researchers from the University of British Columbia have discovered an interesting property of the platinum embolism implant – it can act as a fairly accurate sensor and antenna. The reason is simply that the implant’s coiled shape causes its material properties, namely its resonance frequency, to vary depending on the blood flow through it. A simple handheld RF reader is all that would be required to monitor the status of the embolization-coil sensor.

For aneurysms, early detection is crucial, as a rupture that leads to a stroke is fatal for nearly 60 percent of its victims. Such a monitoring setup would be very easy to utilize even for home use and could quickly and accurately detect blood levels through the artery, as well as possible implant failure.

Press release: UBC researchers devise new technology to monitor brain aneurysms

Abstract from Biosensors and Bioelectronics: Radio aneurysm coils for noninvasive detection of cerebral embolization failures: A preliminary study

Scott Jung

Scott Jung (@scottjung) is a Silicon Valley-based medical and health technology reporter and advocate, with a focus on wearables, telemedicine, and health technology in emerging countries. He has represented Medgadget at CES and Digital Health Summit, TEDMED, Stanford Medicine X, and SXSW. Always on the lookout for innovative medical technology worldwide, Scott has been invited to visit Colombia, Poland, and many other countries around the world to share how medtech is enriching the lives of its people. Scott holds a B.S. degree in Biomedical Engineering from the University of Southern California and an M.S. degree in Medical Product Development Management from San José State University. Scott is always looking for the next big thing in medical technology and digital health. Interested in helping him transform lives? Get in touch with him at http://scottju.ng

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