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Clinical Trial Summary

Susceptibility weighted imaging (SWI) technology has developed in the decade which is being a kind of cerebrovascular disease diagnostic tools in the clinical application, especially for paramagnetic material (such as DNA hemoglobin and hemosiderin) has a high sensitivity.

The change of the signal on SWI bases on the change of local oxygenated hemoglobin content in the blood and deaeration hemoglobin content ratio, which can be used to indirectly reflect the hypoxia group oxygen intake fraction (OEF) and cerebral metabolic rate. When the intracranial vascular occlusion, corresponding responsibility vascular blood flow area of brain tissue will occur hypoperfusion, brain tissue will improve the compensation in accordance with its own OEF, causing ischemia area inside the venous drainage of deaeration hemoglobin content ratio increases and the hypointensity on SWI ,which display the asymmetric cortical vessel sign (ACVS). Studies have suggested that ACVS is more prone to early neurological deterioration and has a poor long-term outcome. After recanalization of ischemic stroke, the presence of equal CVS(return to normal) on SWI is associated with a good clinical outcome. In addition, the relationship between ACVS grade and collateral circulation in patients with acute ischemic stroke has been studied. For patients with massive cerebral infarction, the relationship between ACVS on SWI and the clinical prognosis of cerebral edema and cerebral hemodynamics is not completely clear. In this study, the clinical data of patients with massive cerebral infarction will be analyzed to explore the relationship between ACVS, cerebral edema , cerebral hemodynamic and clinical prognosis.

Sodium aescinate is widely used in cerebral edema caused by cerebral hemorrhage or cerebral infarction.The main mechanism of sodium aescinate is anti - inflammatory, anti - exudate, anti - oxygen free radical, anti - edema, increase vein tension, improve blood circulation and nerve protection. In this study, investigators will investigate whether the application of sodium aescinate had an effect on ACVS on SWI in patients with massive cerebral infarction. Plasma s100-β, procalcitonin, neutrophil count, serum fibronectin, and endothelin-1 could predict cerebral edema in patients with cerebral infarction, this study will analyze the relationship between these markers and ACVS on SWI in patients with massive cerebral infarction.


Clinical Trial Description

Clinical data and plasma samples of patients diagnosed with massive cerebral infarction in the department of neurology of the second hospital of hebei medical university during 2020.1-2021.6 are collected.Clinical data include gender, age, TOAST classification, history of hypertension, diabetes and heart disease, head Computerized Tomography (CT), Magnetic Resonance Imaging(MRI), Diffusion-Weighted Imaging (DWI),Susceptibility weighted imaging SWI within 72 hours after onset, admission National Institute of Health stroke scale ( NIHSS) score, admission DWI-aspect score, Modified Rankin Scale (MRS) score on day 90 of onset.Venous blood will be taken within 72 hours of onset (and before the use of sodium aescinate) to detect serum s100-β, serum procalcitonin, plasma fibronectin, serum endothelin-1 by ELISA.The cortical vessel signs(CVSs)on SWI in the ischemic territory are classified as 'prominent' if there are more veins and/or larger veins with a greater signal loss than those in the opposite normal hemisphere, 'equal' if there are no significant differences in appearance of veins in the both cerebral hemispheres, and 'less' if the veins in the affected area are decreased compared to those in the normal cortex.

Patients with massive cerebral infarction to be included are randomly divided into experimental group and control group by random number table method.The experimental group is treated with sodium aescinate for injection on the basis of conventional treatment. The control group is not treated with sodium aescinate for injection.

This study will explore the relationship between asymmetric cortical vessel sign(ACVS) grade and baseline clinical data, serum factors associated with brain edema in patients with massive cerebral infarction.In addition,after 10 days of sodium aescinate injection, the CVS level of the experimental group will be compared with that of the control group.The difference of CVS grading before and after injection of sodium aescinate in the experimental group will be compared.Finally,the indexes with significance in single factor analysis will be screened out, and the factors related to prognosis of massive cerebral infarction will be further analyzed by multi-factor logistics regression. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04247659
Study type Interventional
Source The Second Hospital of Hebei Medical University
Contact Junzhao Cui, Dr
Phone +8615032189957
Email 1097709288@qq.com
Status Recruiting
Phase Phase 4
Start date January 9, 2020
Completion date September 9, 2021

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