Results 21 to 30 of about 1,775 (137)

Deep learning to identify stroke within 4.5 h using DWI and FLAIR in a prospective multicenter study [PDF]

Scientific Reports
To enhance thrombolysis eligibility in acute ischemic stroke, we developed a deep learning model to estimate stroke onset within 4.5 h using diffusion-weighted imaging (DWI) and fluid-attenuated inversion recovery (FLAIR) images. Given the variability in
Eun Namgung, Young Sun Kim, Eun-Jae Lee, Dae-Il Chang, Han Jin Cho, Jun Lee, Jae-Kwan Cha, Man-Seok Park, Kyung Ho Yu, Jin-Man Jung, Seong Hwan Ahn, Dong-Eog Kim, Ju Hun Lee, Keun-Sik Hong, Sung-Il Sohn, Kyung-Pil Park, Jun Young Chang, Bum Joon Kim, Sun U. Kwon, Gayoung Park, Hye-Soo Jung, Jihoun Hong, Dong-Wha Kang   +22 more
doaj   +2 more sources

A 57-year-old male with diffuse astrocytoma in the lateral ventricle: case report [PDF]

BMC Neurology
Background Diffuse astrocytoma (DA) is the most common intraparenchymal brain tumor, primarily occurring in the frontal and temporal lobes. However, its occurrence in the lateral ventricles is rare.
Juan Wang, Ye Fan, Wei Zhang
doaj   +2 more sources

Comparison between MRI FLAIR vascular hyperintensity-DWI mismatch and perfusion based triage for thrombectomy in the late time window

Frontiers in Neurology
BackgroundThe clinical impact of patient selection using FLAIR vascular hyperintensity (FVH)–diffusion-weighted imaging (DWI) mismatch for endovascular thrombectomy (EVT) in patients who have been symptomatic for over 6 h remains unclear.
Yuchao Dou, Liu Shuling
exaly   +3 more sources

Diffusion-weighted imaging–fluid-attenuated inversion recovery mismatch is associated with better neurologic response to intravenous thrombolytic therapy in acute ischemic stroke patients [PDF]

Clinical and Experimental Emergency Medicine, 2015
Objective To investigate differences in the effect of intravenous (IV) thrombolysis regarding the mismatch of diffusion-weighted imaging–fluid-attenuated inversion recovery (DWI-FLAIR) among acute ischemic stroke patients who visited the emergency ...
Jong Yeong Jeong, Sang Kuk Han, Dong Hyuk Shin, Ji Ung Na, Hyun Jung Lee, Pil Cho Choi, Jeong Hun Lee   +6 more
doaj   +1 more source

Successful stroke thrombolysis beyond guidelines: A case series [PDF]

Romanian Journal of Neurology, 2022
Intravenous (IV) thrombolysis is a safe and effective treatment for acute ischemic stroke. The therapeutic benefit is not extended to more than 4.5 hours in many patients due to the protocol’s time window restriction.
Azliza Ibrahim, Mohd Fandi Al Khafiz, Anna Misyail, Alvin Oliver Payus, Yap Moon Yan, Abdul Hanif Khan, Loh Wei Chao, Janudin, Maz Anirah, Liyana Najwa, Wan Aliaa, Hoo Fan Kee, Hamidon Basri   +12 more
doaj   +1 more source

An automatic machine learning approach for ischemic stroke onset time identification based on DWI and FLAIR imaging

NeuroImage: Clinical, 2021
Current thrombolysis for acute ischemic stroke (AIS) treatment strictly relies on the time since stroke (TSS) less than 4.5 h. However, some patients are excluded from thrombolytic treatment because of the unknown TSS. The diffusion-weighted imaging (DWI)
Haichen Zhu, Liang Jiang, Hong Zhang, Limin Luo, Yang Chen, Yuchen Chen   +5 more
doaj   +1 more source

Difficulty of MRI based identification of lesion age by acute infra-tentorial ischemic stroke. [PDF]

PLoS ONE, 2014
Systemic thrombolysis in acute ischemic stroke is restricted to the 4.5 h time window. Many patients are excluded from this treatment because symptom onset is unknown.
Florian Grosse-Dresselhaus, Ivana Galinovic, Kersten Villringer, Heinrich J Audebert, Jochen B Fiebach   +4 more
doaj   +1 more source

Intravenous Tenecteplase for Acute Ischemic Stroke Within 4.5–24 Hours of Onset (ROSE-TNK): A Phase 2, Randomized, Multicenter Study [PDF]

Journal of Stroke, 2023
Background and Purpose Intravenous tenecteplase (TNK) efficacy has not been well demonstrated in acute ischemic stroke (AIS) beyond 4.5 hours after onset. This study aimed to determine the effect of intravenous TNK for AIS within 4.5 to 24 hours of onset.
Lu Wang, Ying-Jie Dai, Yu Cui, Hong Zhang, Chang-Hao Jiang, Ying-Jie Duan, Yong Zhao, Ye-Fang Feng, Shi-Mei Geng, Zai-Hui Zhang, Jiang Lu, Ping Zhang, Li-Wei Zhao, Hang Zhao, Yu-Tong Ma, Cheng-Guang Song, Yi Zhang, Hui-Sheng Chen   +17 more
doaj   +1 more source

Diffusion- and Susceptibility Weighted Imaging Mismatch Correlates With Collateral Circulation and Prognosis After Middle Cerebral Artery M1-Segment Occlusion

Frontiers in Neurology, 2021
Objective: To explore the relation between diffusion-weighted and susceptibility weighted imaging (DWI-SWI) mismatch and collateral circulation or prognosis in patients with occluded M1 segments of middle cerebral artery (MCA).Methods: We enrolled 59 ...
Zhihua Xu, Zhihua Xu, Zhenhua Tong, Yang Duan, Yang Duan, Dengxiang Xing, Hongyan Song, Yusong Pei, Benqiang Yang   +8 more
doaj   +1 more source

DWI intensity values predict FLAIR lesions in acute ischemic stroke. [PDF]

PLoS ONE, 2014
BACKGROUND AND PURPOSE: In acute stroke, the DWI-FLAIR mismatch allows for the allocation of patients to the thrombolysis window (
Vince I Madai, Ivana Galinovic, Ulrike Grittner, Olivier Zaro-Weber, Alice Schneider, Steve Z Martin, Federico C von Samson-Himmelstjerna, Katharina L Stengl, Matthias A Mutke, Walter Moeller-Hartmann, Martin Ebinger, Jochen B Fiebach, Jan Sobesky   +12 more
doaj   +1 more source