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Utilization of CT angiography of the head and neck in the era of endovascular therapy for acute ischemic stroke: a retrospective study
ConclusionLittle is known of the impacts on healthcare resources that have resulted from the system-wide changes made necessary by the widespread adoption of EVT. Our study shows that at our site, these system changes have resulted in large increases in CTA utilization with very small numbers of patients ultimately undergoing EVT or carotid intervention.
Source: Emergency Radiology - March 12, 2022 Category: Emergency Medicine Source Type: research

Intraplaque CTA characteristics as predictors of symptomatology: a semiautomated volumetric analysis
ConclusionHigher volumes of intraplaque IPH, LRNC, matrix, and degree of arterial stenosis are associated with ipsilateral neurologic symptoms. Greater intraplaque proportions of LRNC are also associated with ipsilateral ischemic manifestations, suggesting that larger relative composition of lipids may be particularly predictive of symptomatology.
Source: Emergency Radiology - October 6, 2021 Category: Emergency Medicine Source Type: research

Transient Ischemic Attacks
The definition of a transient ischemic attack (TIA) has evolved over the past decade from a clinical diagnosis to a tissue-based definition based on neuroimaging results. TIA shares the same pathophysiology as stroke, which occurs in up to 5% of patients within 48  hours of the TIA and 10% within 90 days. This rate is decreasing, likely due to improved diagnostic and management strategies. Decision support scores have been developed to risk stratify patients, which include clinical and radiological elements. Antiplatelet and anticoagulant therapy, as well a s carotid endarterectomy/stenting have been shown to reduce the ...
Source: Emergency Medicine Clinics of North America - September 6, 2016 Category: Emergency Medicine Authors: Andrea Duca, Andy Jagoda Source Type: research

Cerebral hyperperfusion syndrome: a rare postoperative complication of carotid endarterectomy
Acute neurological deficits are common presentations to the emergency department. Cerebral hyperperfusion syndrome, a rare phenomenon which can occur within one month following carotid surgical revascularization, may be challenging for the emergency physician to diagnose in the setting of an acute neurological presentation. Carotid arterial disease contributes 15-20% of ischemic cerebrovascular accidents and surgical revascularization is the commonest intervention for preventing stroke in patients with significant carotid disease.
Source: The American Journal of Emergency Medicine - March 5, 2016 Category: Emergency Medicine Authors: Mina Guirgis, Kishore Sieunarine Source Type: research

Cerebral hyperperfusion syndrome: A rare postoperative complication of carotid endarterectomy
Acute neurological deficits are common presentations to the emergency department. Cerebral hyperperfusion syndrome, a rare phenomenon which can occur within one month following carotid surgical revascularization, may be challenging for the emergency physician to diagnose in the setting of an acute neurological presentation. Carotid arterial disease contributes 15 –20% of ischemic cerebrovascular accidents and surgical revascularization is the commonest intervention for preventing stroke in patients with significant carotid disease.
Source: The American Journal of Emergency Medicine - March 4, 2016 Category: Emergency Medicine Authors: Mina Guirgis, Kishore Sieunarine Tags: Case Report Source Type: research