نتایج جستجو برای: microembolic signals
تعداد نتایج: 189578 فیلتر نتایج به سال:
Transcranial Doppler detection of microemboli during percutaneous transluminal coronary angioplasty.
BACKGROUND AND PURPOSE The use of percutaneous transluminal coronary angioplasty (PTCA) to treat coronary artery disease is now commonplace. The occurrence of microemboli during invasive procedures such as cardiac angiography and bypass surgery is well documented, although neurological complications are relatively uncommon. To date, no investigation has been undertaken of the frequency or natur...
BACKGROUND AND PURPOSE Hyperintense signals on diffusion-weighted MR images (DWIs) are believed to correspond accurately with cerebral ischemic events. Intraoperative transcranial Doppler sonography (TCD) can reveal hemodynamic and embolic events during carotid endarterectomy (CEA). Our purpose was to determine whether the occurrence of hyperintense signals on postoperative DWIs corresponds to ...
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