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Ischemic Stroke - Springer Nature

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Last Updated: 11 June 2022

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Diagnostic accuracy of using Alberta Stroke Program Early Computed Tomography Score on CT perfusion map to predict a target mismatch in patients with acute ischemic stroke

"Purpose To determine the diagnostic accuracy of using Alberta Stroke Program Early Computed Tomography Score on CT perfusion map to identify a volumetric target mismatch in patients with acute ischemic stroke" says the author. Methods Three-hundred and seven AIS patients with an onset time within 24 hours or uncertain onset time who underwent CTP analysis for large vessel occlusion of anterior circulation were recruited. CBF ASPECTS and volume_CBF 30%, respectively, and Tmax ASPECTS and volume_Tmax > 6s for overall population and late-arriving patients s compared to Tmax ASPECTS and volume_Tmax > 6s. Mismatch ASPECTS is moderately correlated with mismatch numbers for both the general population and late-arriving patients. A CBF ASPECTSu22656 and a Mismatch ASPECTSu22651 have successfully identified a target mismatch in the overall population and late-arriving patients, which was optimally identified with a Mismatch AspectTSu22656. Conclusion CTP ASPECTS can be helpful in predicting target mismatch derived from automated perfusion analysis software and assisting in patient selection for endovascular therapy. ".

Source link: https://doi.org/10.1007/s00234-021-02892-8


Procalcitonin related to stroke-associated pneumonia and clinical outcomes of acute ischemic stroke after IV rt-PA treatment

"To investigate the possible association of procalcitonin and stroke-associated pneumonia as well as clinical results after recombinant tissue plasminogen activator therapy of AIS," AIS's recombinant tissue plasminogen activator therapy of AIS. Patients with PCT in the second [odds ratio 4. 413; 95% confidence interval 1. 331–u201314. 634; P = 0. 015] and the third tertile were more likely to have SAP than the first tertile, according to a multivariate logistic regression study. After IV rt-PA therapy, this research revealed that PCT was a reliable diagnostic and prognostic biomarker of SAP and poor clinical outcomes in Chinese AIS patients after IV rt-PA therapy.

Source link: https://doi.org/10.1007/s10571-020-01031-w


MicroRNA: An Emerging Predictive, Diagnostic, Prognostic and Therapeutic Strategy in Ischaemic Stroke

"The limited availability of diagnostic instruments that support disease diagnosis or forecast future events are among the top challenges in stroke medicine. " Since miRNAs also play important roles in stroke pathogenesis, including energy loss, inflammation, and cell death, it is likely that miRNAs could also play key roles in stroke pathogenesis, including energy loss, inflammation, and cell death, it is likely that miRNAs could also play vital roles in stroke pathogenesis, including glucose metabolism, inflammation, and cell death, it is likely that miRNAs could act as reliable blood-based risk predictors, diagnosis, and prognos MiRNAs in animal models of ischaemic stroke treated with miRNA agomirs or antagomirs can also play a cerebrovascular protective function after an ischaemic stroke, according to reports that miRNAs may also play a cerebrovascular protective role after an ischaemic stroke. This paper reviews the latest literature on miRNAs in key pathologies associated with ischaemic stroke and evaluates their effectiveness as reliable biomarkers and therapeutics for ischaemic stroke, keeping these in mind.

Source link: https://doi.org/10.1007/s10571-020-01028-5


Surrogate biomarkers of outcome for wake-up ischemic stroke

"Background Wake-Up Stroke has usually been excluded from acute stroke therapy options for being outside of the safe treatment window. " Methods 4251 ischemic stroke patients from a prospectively registered database were recruited; 3838 had established symptoms, and 413 were wake-up strokes; 3838 had not known onset-symptom duration, and 413 were wake-up strokes. The main aim was to investigate the correlation between different serum biomarkers during wake-up IS episodes and their progression. At 3 months, respectively, mRS u22642 and mRS > 2 had good and poor functional results. "p" stands for "set-symptom duration, 59. 1% vs. 48. 9%; p" is the product of a wake-up. Wake-up IS revealed a shorter outcome at 3-months than in patients with known on-set-symptom time of 51. 9 percent vs. 48. 1%; p"; wake-up IS revealed a poorer outcome at 3-months than in patients with reported on-set-symptom time of 59.

Source link: https://doi.org/10.1186/s12883-022-02740-z


Prognostic value of ASPECTS on post-treatment diffusion-weighted imaging for acute ischemic stroke patients after endovascular thrombectomy: comparison with infarction volume

"Objectives: Objectives To determine the prognostic value of Alberta Stroke Program acute ischemic stroke patients after endovascular thrombectomy following endovascular thrombectomy, evaluate it with that of infarction volume. " Methods Ninety-eight consecutive AIS patients who underwent EVT and post-treatment DWI were retrospectively enrolled, according to the ninety-eight consecutive AIS patients who were underwent EVT and post-treatment DWI. A new Rankin Scale score of 0u20132 at 90 days was used to assess a positive clinical result. After-treatment DWI ASPECTS and infarction volume, there was a strong correlation, according to a good correlation. Conclusions Post-treatment DWI ASPECTS may be a potential source of infarction volume and be extremely useful in predicting the clinical outcome of AIS patients after EVT. Following EVT, a post-treatment DWI ASPECTS u22656 6 best predicts positive outcomes for AIS patients. "u2022" BWI ASPECTS has the ability to substitute infarction volume in predicting the clinical outcome of AIS patients.

Source link: https://doi.org/10.1007/s00330-022-08888-z


Neural network-based clustering model of ischemic stroke patients with a maximally distinct distribution of 1-year vascular outcomes

"Clustering stroke patients with similar characteristics to predict future vascular outcome events is extremely important. " This research sought to compare several clustering techniques, particularly a deep neural network-based model, in order to find the most effective clustering strategy with a maximally measurable 1-year outcome in patients with ischemic stroke. Prospective stroke registry results from a comprehensive stroke center from January 2011 to July 2018 were retrospectively reviewed. To obtain a consistent distribution of 1-year vascular events, neural network-based clustering models were tested with other clustering models and a traditional risk score. The DLC-Kuiper UB model had a significantly higher C-index, log-rank score, and Brier score than many cluster models and the SPI-III score. The DLC-Kuiper UB model, a neural network-based clustering scheme, can help stroke patients with a maximally distinct pattern of 1-year vascular outcomes within each cluster. ".

Source link: https://doi.org/10.1038/s41598-022-13636-w


Early neurological deterioration in acute ischemic stroke patients after intravenous thrombolysis with alteplase predicts poor 3-month functional prognosis - data from the Thrombolysis Implementation and Monitor of Acute Ischemic Stroke in China (TIMS-China)

"Background We set out to investigate the risk factors of early neurological impairment after intravenous thrombolysis with recombinant tissue-type plasminogen activator and the relationship between END and poor 3-month functional results. Patients who underwent intravenous recombinant rt-PA were followed on a daily basis. End was described as an increase in National Institute of Health Stroke's score of u22654 points or death within 24 hours after intravenous thrombolysis. The poor 3-month prognosis was determined as an mRS score of u2265 of 3. Multivariate logistic regression analysis showed a correlation between the end of the END and the 3-month functional result. The serum glucose level was highly associated with END in multivariate analysis; the odds ratio was 1. 10. "The initial serum glucose level may be an independent risk factor of END, and END may indicate a poor 3-month prognosis. ".

Source link: https://doi.org/10.1186/s12883-022-02737-8


The relationship between infarct volume and high sensitivity troponin I level in patients diagnosed with ischemic stroke

"Aim We wanted to find the suitability of Hs-cTnI measurements in order to predict AIS prognosis. " Result We included 110 males and 93 females in the current study, out of a total of 203 patients with a mean age of 68. 9 were included. The Infarct number and the mortality ratio of the group 2 was much higher [ p = 0. 041, U = 4294. 5, LV = 6. 5]. Hs-troponin I may be a useful biomarker in predicting the prognosis of patients with acute ischemic stroke. ".

Source link: https://doi.org/10.1007/s11845-022-03048-0


Neuronal GPER Participates in Genistein-Mediated Neuroprotection in Ischemic Stroke by Inhibiting NLRP3 Inflammasome Activation in Ovariectomized Female Mice

"Estrogen replacement therapy is potentially helpful in the prevention and treatment of postmenopausal cerebral ischemia, but it also raises the risk of cerebral hemorrhage and breast cancer when used for a long time. " After ischemia/reperfusion injury, we found that peroxisome proliferator-activated receptor-gamma coactivator 1u03b1 was the pivotal molecule that contributed to GPER-mediated inhibition of NLRP3 inflammasome activation in OVX mice.

Source link: https://doi.org/10.1007/s12035-022-02894-4

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions