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Measurement of cerebrovascular reserve by multimodal imaging for cerebral arterial occlusion or stenosis patients: protocol of a prospective, randomized, controlled clinical study

Authors
  • Xiao, Zhi-peng1
  • Jin, ke1
  • Wan, Jie-qing1
  • Lin, Yong1
  • Pan, Yao-hua1
  • Jin, Yi-chao1
  • Zhang, Xiao-hua1
  • 1 School of Medicine of Shanghai JiaoTong University, Shanghai, 200127, People’s Republic of China , Shanghai (China)
Type
Published Article
Journal
Trials
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Jan 08, 2020
Volume
21
Issue
1
Identifiers
DOI: 10.1186/s13063-019-3967-2
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundCerebrovascular reactivity (CVR) is the change in cerebral blood flow in response to a vaso-active stimulus, and may assist the treatment strategy of ischemic stroke. However, previous studies reported that a therapeutic strategy for stroke mainly depends on the degree of vascular stenosis with steady-state vascular parameters (e.g., cerebral blood flow and CVR). Hence, measurement of CVR by multimodal imaging techniques may improve the treatment of ischemic stroke.Methods/designThis is a prospective, randomized, controlled clinical trial that aimed to examine the capability of multimodal imaging techniques for the evaluation of CVR to improve treatment of patients with ischemic stroke. A total of 66 eligible patients will be recruited from Renji Hospital, Shanghai Jiaotong University School of Medicine. The patients will be categorized based on CVR into two subgroups as follows: CVR > 10% group and CVR < 10% group. The patients will be randomly assigned to medical management, percutaneous transluminal angioplasty and stenting, and intracranial and extra-cranial bypass groups in a 1:1:1 ratio. The primary endpoint is all adverse events and ipsilateral stroke recurrence at 6, 12, and 24 months after management. The secondary outcomes include the CVR, the National Institute of Health stroke scale and the Modified Rankin Scale at 6, 12, and 24 months.DiscussionMeasurement of cerebrovascular reserve by multimodal image is recommended by most recent studies to guide the treatment of ischemic stroke, and thus its efficacy and evaluation accuracy need to be established in randomized controlled settings. This prospective, parallel, randomized, controlled registry study, together with other ongoing studies, should present more evidence for optimal individualized accurate treatment of ischemic stroke.Trial registrationChinese Clinical Trial Registry, ID: ChiCTR-IOR-16009635; Registered on 16 October 2016.All items are from the World Health Organization Trial Registration Data Set and registration in the Chinese Clinical Trial Registry: ChiCTR-IOR-16009635.

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