Abstract:
Background:Previous studies demonstrated that cardioembolism (CE) was prone to develop hemorrhagic transformation (HT), whereas hyper-permeability of blood-brain barrier (BBB) might be one reason for the development of HT. We, thus, aimed to investigate whether the BBB permeability (BBBP) was higher in CE stroke than other stroke subtypes in acute ischemic stroke (AIS) patients. Methods:This study was a retrospective review of prospectively collected clinical and imaging database of AIS patients who underwent CT perfusion. Hypoperfusion was defined as Tmax >6 s. The average relative permeability-surface area product (rPS), reflecting the BBBP, was calculated within the hypoperfusion region (rPShypo). CE was diagnosed according to the international Trial of Org 10172 in Acute Stroke Treatment criteria. Receiver operating characteristics (ROC) curve analysis was used to determine predictive value of rPShypo for CE. Logistic regression was used to identify independent predictors for CE. Results:A total of 187 patients were included in the final analysis [median age, 73 (61-80) years; 75 (40.1%) females; median baseline National Institutes of Health Stroke Scale score, 12 (7-16)]. Median rPShypo was 65.5 (35.8-110.1)%. Ninety-seven (51.9%) patients were diagnosed as CE. ROC analysis revealed that the optimal rPShypo threshold for CE was 86.71%. The value of rPShypo and the rate of rPShypo>86.71% were significantly higher in patients with CE than other stroke subtypes (p < 0.05), after adjusting for the potential confounds. Conclusion:The extent of BBB disruption is more severe in CE stroke than other stroke subtypes during the hyperacute stage.
journal_name
Front Neuroljournal_title
Frontiers in neurologyauthors
Liu C,Shi F,Chen Z,Yan S,Ding X,Lou Mdoi
10.3389/fneur.2018.00055subject
Has Abstractpub_date
2018-02-08 00:00:00pages
55issn
1664-2295journal_volume
9pub_type
杂志文章abstract::Objective: To explore the clinical features and correlates of excessive daytime sleepiness (EDS) in a Chinese population of Parkinson's disease (PD) patients. Methods: Patients with clinically established or clinically probable PD were recruited. Clinical and demographic data were collected, and participants were eval...
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