Advances in imaging acute ischemic stroke: evaluation before thrombectomy
Author:
He Guangchen1, Wei Liming1, Lu Haitao1, Li Yuehua1, Zhao Yuwu2, Zhu Yueqi1ORCID
Affiliation:
1. Department of Radiology , Shanghai Jiao Tong University Affiliated Sixth People’s Hospital , No. 600 , Yishan Road , Shanghai 200233 , China 2. Department of Neurology , Shanghai Jiao Tong University Affiliated Sixth People’s Hospital , No. 600 , Yishan Road , Shanghai 200233 , China
Abstract
Abstract
Recent advances in neuroimaging have demonstrated significant assessment benefits and appropriate triage of patients based on specific clinical and radiological features in the acute stroke setting. Endovascular thrombectomy is arguably the most important aspect of acute stroke management with an extended time window. Imaging-based physiological information may potentially shift the treatment paradigm from a rigid time-based model to a more flexible and individualized, tissue-based approach, increasing the proportion of patients amenable to treatment. Various imaging modalities are routinely used in the diagnosis and management of acute ischemic stroke, including multimodal computed tomography (CT) and magnetic resonance imaging (MRI). Therefore, these imaging methods should provide information beyond the presence or absence of intracranial hemorrhage as well as the presence and extent of the ischemic core, collateral circulation and penumbra in patients with neurological symptoms. Target mismatch may optimize selection of patients with late or unknown symptom onset who would potentially be eligible for revascularization therapy. The purpose of this study was to provide a comprehensive review of the current evidence about efficacy and theoretical basis of present imaging modalities, and explores future directions for imaging in the management of acute ischemic stroke.
Publisher
Walter de Gruyter GmbH
Subject
General Neuroscience
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