Spontaneous Absorption of Cerebral Air Emboli
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چکیده
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منابع مشابه
Spontaneous Absorption of Cerebral Air Embolus Developed Accidentally during an Intra-arterial Procedure
Cerebral arterial air embolism (CAAE), although infrequent, is a complication that can occur at any time during an invasive medical procedure. We experienced two cases of CAAE during cerebral angiography accidentally. The author reports the two cases of CAAE wherein air emboli dissolved spontaneously and immediately under normal atmospheric pressure, not under therapeutic hyperbaric environment...
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BACKGROUND The vascular depression hypothesis and our recent findings of increased frequency of spontaneous cerebral emboli in dementia suggest that such emboli may be involved in the causation of depressive symptoms in dementia. AIMS To evaluate the association between spontaneous cerebral emboli and depressive symptoms in Alzheimer's disease and vascular dementia. METHOD In a cohort of 14...
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The purpose of our study was to define the signal characteristics and clinical circumstances associated with emboli detected in the middle cerebral artery using 2-MHz pulsed transcranial Doppler ultrasound in patients undergoing carotid endarterectomy. Signals designating emboli were transients displaying harmonic qualities the signatures of which were clearly different from those of mechanical...
متن کاملDetection and volume estimation of embolic air in the middle cerebral artery using transcranial Doppler sonography.
BACKGROUND AND PURPOSE Cerebral embolism has been implicated in the development of cognitive and neurological deficits following bypass surgery. This study proposes methodology for estimating cerebral air embolus volume using transcranial Doppler sonography. METHODS Transcranial Doppler audio signals of air bubbles in the middle cerebral artery obtained from in vivo experiments were subjected...
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OBJECTIVE To compare the occurrence of spontaneous cerebral emboli and venous to arterial circulation shunts in patients with Alzheimer's disease or vascular dementia and controls without dementia. DESIGN Cross sectional case-control study. SETTING Secondary care old age psychiatry services, Manchester. PARTICIPANTS 170 patients with dementia (85 with Alzheimer's disease, 85 with vascular...
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