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Stroke Prevention For TAVR – And, Perhaps, Beyond

Although TAVR-related stroke rates have been diminishing, it remains a devastating complication of the procedure. Two companies with devices to deflect or collect emboli are embarking on IDE trials that they hope will make cerebral embolic protection a standard of care in TAVR and perhaps other cardiac surgeries, as it already is in carotid artery stenting.

Transcatheter aortic valve replacement (TAVR) is a rising alternative to surgical aortic valve replacement (SAVR) in otherwise inoperable or high-risk patients with severe aortic stenosis. Its penetration into aortic valve replacement is growing fast, extending to younger and lower-risk patients, and Morgan Stanley recently predicted a $7.4 billion TAVR market by 2025. Like other left-sided heart procedures, TAVR carries a stroke risk because debris can be released into the aorta as the new valve is placed. (See[A#2014700132]and Also see "TAVR Market: Next-Generation Devices Seek To Optimize Outcomes" - Medtech Insight, 28 March, 2014..)

Although results from the ADVANCE study published in the July 21, 2015, issue of the Journal of the American College of Cardiology (JACC) suggest TAVR stroke rates are diminishing, stroke...

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