نتایج جستجو برای: cerebral protection
تعداد نتایج: 358674 فیلتر نتایج به سال:
OBJECTIVE Neurologic complications during carotid artery stenting (CAS) are usually associated with distal embolic event. These embolic incident during CAS are highly associated with the carotid plaque instability. The current study was undertaken to identify the angiographic characteristics of carotid plaque vulnerability, which was represented as filling defect in the cerebral protection filt...
OBJECTIVE Outcome after aneurysmal subarachnoid hemorrhage (SAH) depends critically on delayed cerebral ischemia (DCI) - a process driven primarily by vascular events including cerebral vasospasm, microvessel thrombosis, and microvascular dysfunction. This study sought to determine the impact of postconditioning - the phenomenon whereby endogenous protection against severe injury is enhanced by...
BACKGROUND AND PURPOSE The natural course of symptomatic carotid artery occlusion with hemodynamic impairment is poor. Surgical revascularization may improve the outcome; however, its efficacy has not been established yet. The goal of this study was to characterize the technical and clinical outcomes following endovascular recanalization of the ICA under cerebral circulatory protection. MATER...
The Neuroform stent is the first microcatheter-delivered stent designed specifically for the treatment of cerebral aneurysms. The stent functions primarily to provide durable parent vessel protection during the embolization of broad-necked cerebral aneurysms. The present case report demonstrates in-stent stenosis occurring as a delayed complication of Neuroform stent-supported coil embolization...
AIM The purpose of this paper is to present our experiences with carotid artery stenting in the treatment of dissected carotid arteries, by means of self-expandable stents and selective employment of cerebral protection devices. METHODS In the period from June 1, 2006 to April 31, 2009, 6 patients with 6 dissected carotid arteries were treated with self-expandable stents (4 internal carotid a...
Background and Objective: Recent studies suggest that sub-lethal ischemia protect the brain from subsequent ischemic injuries. This study was an effort to identify and shed light on the nature of changes in the blood brain barrier permeability and brain edema. Materials and Methods: Rats were divided into four main experimental groups, each of 21 animals. The first group acted as a model of isc...
Effective cerebral protection remains the principle concern during aortic arch surgery. Hypothermic circulatory arrest (HCA) is entrenched as the primary neuroprotection mechanism since the 70s, as it slows injury-inducing pathways by limiting cerebral metabolism. However, increases in HCA duration has been associated with poorer neurological outcomes, necessitating the adjunctive use of antegr...
Arch surgery remains undoubtedly among the most technically and strategically challenging endeavors in cardiovascular surgery. Surgical interventions of thoracic aneurysms involving the aortic arch require complete circulatory arrest in deep hypothermia (DHCA) or elaborate cerebral perfusion strategies with varying degrees of hypothermia to achieve satisfactory protection of the brain from isch...
Systematic investigations of complex pathological cascades during ischemic brain injury help to elucidate novel therapeutic targets against cerebral ischemia. Although some transcription factors (TFs) involved in cerebral ischemia, systematic surveys of their changes during ischemic brain injury have not been reported. Moreover, some multi-target agents effectively protected against ischemic st...
Objectives: This study aimed at evaluating the correlation between mother-child relationship and the rate of participation of children and adolescents with cerebral palsy in leisure time activities. Methods: This study is a descriptive and correlational research. The statistical population included cerebral palsy children aged 7-17 years with a mother who is at least 25 years old. A sample siz...
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