Publications by authors named "XunMing Ji"

Background: Trials of endovascular therapy for basilar artery occlusion, including vertebral occlusion extending into the basilar artery, have shown inconsistent results. We aimed to pool data to estimate safety and efficacy and to explore the benefit across pre-specified subgroups through individual patient data meta-analysis.

Methods: VERITAS was a systematic review and meta-analysis that pooled patient-level data from trials that recruited patients with vertebrobasilar ischaemic stroke who were randomly assigned to treatment with either endovascular therapy or standard medical treatment alone.

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Idiopathic intracranial hypertension (IIH) is a disease characterized by increased intracranial pressure (ICP) without identifiable secondary causes. While the increased ICP is a critical diagnostic feature, the underlying pathophysiological mechanisms remain unclear. Previous theories have suggested cerebrospinal fluid (CSF) overproduction, impaired reabsorption, or circulatory obstruction as potential causes.

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Article Synopsis
  • The study focuses on understanding how fibrinolytic indicators change during the onset of cerebral venous thrombosis (CVT) and developing a predictive model to estimate the stage of CVT based on these indicators.
  • It involved analyzing data from 292 CVT patients to identify when significant changes in fibrinolytic indicators occur, finding that 14 days after onset serves as a critical cutoff between acute and chronic stages.
  • The prediction model demonstrated strong accuracy, with an area under the curve (AUC) of 0.851 in the training set and 0.828 during internal validation, suggesting it could effectively classify patients with unclear CVT onset.
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Rationale: Neuroprotective strategies based on reperfusion therapy hold substantial promise for acute ischaemic stroke (AIS). Preclinical research indicates that tocilizumab, an interleukin-6 receptor antagonist, can attenuate ischaemia-reperfusion damage by exerting anti-inflammatory and neuroprotective effects.

Aim: To determine tocilizumab's efficacy and safety when combined with endovascular thrombectomy (EVT) in patients with acute anterior circulation large vessel occlusion (LVO).

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Background: Lack of a dedicated thrombectomy device for cerebral venous thrombosis hinders the recanalization ability of endovascular treatment (EVT). Novel NiTi-braided stent retriever (Venous-TD) is a dedicated venous sinus thrombectomy device. This study aims to demonstrate the safety and efficacy of Venous-TD.

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Background: Cerebral venous thrombosis (CVT) accounts for 0.5-1% of all strokes. The role of endovascular therapy (EVT) in the management of CVT remains controversial and variations in practice patterns are not well known.

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Background: NLRP3 inflammasome-related inflammation might play an important role in the pathophysiology of severe CVT. The use of steroids as anti-inflammatory agents in improving severe CVT prognosis remains controversial.

Methods: A total of 94 male Sprague-Dawley rats were used.

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Objective: Brief exposure to intermittent hypoxia has been shown to potentially induce protective effects in the body. Animal studies suggest that intermittent hypoxia could increase cerebral blood flow and confer resistance to subsequent hypoxic-ischemic injury, yet clinical investigations are limited. This study aimed to evaluate the impact of a moderate short-term intermittent hypoxia protocol on cerebral blood flow and cognitive performance.

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Article Synopsis
  • * A bibliometric analysis of research from 2009 to 2023 identified 106 relevant articles, revealing that China, the United States, and Japan lead in publications, while the Second Military Medical University is the most influential institution in this field.
  • * Key findings show a growing trend in research, with frequent keywords like hydrogen, oxidative stress, inflammation, and apoptosis; future studies are expected to focus on hydrogen's role in early brain injury, ischemia-reperfusion injury, and hypothermia treatment.
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  • The study investigates the connection between systemic inflammation markers and delayed neurological improvement (fDNI) in acute ischemic stroke patients who underwent successful recanalization.
  • Analyzing 352 patients, the research found that a higher neutrophil-to-lymphocyte ratio (NLR) and systemic immune-inflammation index (SII) were independent predictors of fDNI.
  • The findings suggest that immune-inflammatory biomarkers may play a role in neurological recovery, with further research needed to understand the mechanisms involved.
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Background: Currently, studies on the formation mechanism for the enlargement of arachnoid granulation (AG) are lacking. The impact of dyslipidemia on the formation of multiple large arachnoid granulations (LAGs) was studied in this research.

Methods: The study included patients diagnosed with cerebral venous sinus stenosis (CVSS) related to LAG.

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Over the past 40 years, research has heavily emphasized stroke treatments that directly target ischemic cascades after stroke onset. Much attention has focused on studying neuroprotective drugs targeting one aspect of the ischemic cascade. However, the single-target therapeutic approach resulted in minimal clinical benefit and poor outcomes in patients.

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Background: Intravenous thrombolysis is one of the most effective therapies for the treatment of acute ischemic stroke (AIS), with urokinase offering a cost-effective alternative to newer agents like alteplase and tenecteplase, especially in resource-limited settings.

Methods: This review provides a comprehensive overview of the application of intravenous thrombolysis with urokinase for AIS in the clinical practice of stroke management, including the efficacy, safety, and cost-effectiveness of urokinase compared to other thrombolytic agents.

Results: Urokinase, a first-generation thrombolytic drug, is a non-specific plasminogen activator that offers a cost-effective alternative.

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Background: Cerebral venous thrombosis (CVT) is a rare but serious condition that can lead to significant morbidity and mortality. Virchow's triad elucidates the role of blood hypercoagulability, blood flow dynamics, and endothelial damage in the pathogenesis of CVT. Cerebral venous congestion (CVC) increases the risk of cerebral venous sinus thrombosis and can lead to recurrent episodes and residual symptoms.

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Objective: To explore the effect of baseline Systemic Inflammatory Response reflected by platelet-to-lymphocyte ratio (PLR) and pre-thrombectomy cerebral edema reflected by Net Water Uptake (NWU) on futile recanalization in patients with Acute Ischemic Stroke (AIS) after successful thrombectomy, and to investigate the potential mediating role of baseline cerebral edema.

Methods: 134 Patients with anterior circulation ischemic stroke receiving successful thrombectomy were retrospectively studied. Their demographic and clinical characteristics were collected at admission, and the NWU was quantitatively calculated based on baseline computed tomography (CT).

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Article Synopsis
  • * While MT can have complications compared to anticoagulation alone, it shows better vessel recanalization rates and fewer complications in severe cases like large vessel occlusion strokes.
  • * There is a need for more extensive research and clinical trials to assess the safety and effectiveness of MT for CVST, as well as advancements in endovascular treatment devices specifically for this condition.
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Background: Acute ischemic stroke (AIS) is an acute brain injury caused by sudden occlusion of a blood vessel. Endovascular therapy is the most effective way to restore blood flow. However, despite the restoration of blood flow in some patients, their clinical prognosis often remains unsatisfactory.

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Article Synopsis
  • Cerebral venous sinus thrombosis (CVST) is a rare but serious type of stroke that requires quick and effective anticoagulation for better outcomes and to prevent recurrence.
  • A 50-year-old man diagnosed with CVST exhibited symptoms like headache and nausea, and tests revealed underlying myeloproliferative neoplasm (pre-primary myelofibrosis) linked to a specific genetic mutation (JAK2 V617F).
  • The case emphasizes the need for awareness of how blood test changes can indicate hematological disorders related to CVST and suggests further research on JAK2's role in thrombosis and potential treatments with JAK2 inhibitors.*
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Article Synopsis
  • The article has a Digital Object Identifier (DOI) that allows it to be easily found online.
  • The DOI number given is 10.3389/fneur.2023.1251581.
  • This correction is important for making sure the information in the article is accurate.
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Objective: Nearly half of Acute Ischemic Stroke (AIS) patients failed to achieve favorable outcomes despite successful reperfusion treatment. This phenomenon is referred to as Futile Recanalization (FR). Screening patients at risk of FR is vital for stroke management.

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Brain diseases, mainly including acute brain injuries, neurodegenerative diseases, and mental disorders, have posed a significant threat to human health worldwide. Due to the limited regenerative capability and the existence of the blood-brain barrier, the brain was previously thought to be separated from the rest of the body. Currently, various cross-talks between the central nervous system and peripheral organs have been widely described, including the brain-gut axis, the brain-liver axis, the brain-skeletal muscle axis, and the brain-bone axis.

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Stroke remains the leading cause of death and disability in some countries, predominantly attributed to acute ischemic stroke (AIS). While intravenous thrombolysis and endovascular thrombectomy are widely acknowledged as effective treatments for AIS, boasting a high recanalization rate, there is a significant discrepancy between the success of revascularization and the mediocre clinical outcomes observed among patients with AIS. It is now increasingly understood that the implementation of effective cerebral protection strategies, serving as adjunctive treatments to reperfusion, can potentially improve the outcomes of AIS patients following recanalization therapy.

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Article Synopsis
  • A study was conducted to evaluate the necessity of routine head CT scans 24 hours after acute stroke treatments in patients who are stable or showing improvement, aiming to identify predictors that could reduce unnecessary imaging.
  • The study analyzed data from 1,461 stroke patients, finding that 22.2% had stroke-related abnormalities on CT scans, with 12.5% showing clinically meaningful results that influenced treatment decisions.
  • Key predictors for significant CT findings included the patient's NIHSS score at admission, age, and blood glucose levels, leading to the creation of a scoring system to prioritize imaging needs.
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Background: Rivaroxaban, a direct Factor Xa inhibitor, is commonly used for cerebral venous thrombosis (CVT) correction. However, pharmacokinetic differences in Chinese may vary in sensitivity and tolerance, resulting in either insufficient or excessive anticoagulation. Herein, the optimizing dosages of rivaroxaban in Chinese patients with CVT were analyzed based on monitoring anti-Xa activity dynamically, to maintain therapeutic efficacy and reduce rivaroxaban-related bleeding.

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Synopsis of recent research by authors named "XunMing Ji"

  • - Xunming Ji's recent research focuses on the intersections of systemic inflammation, cerebrovascular conditions, and innovative treatment approaches in acute ischemic stroke (AIS) and cerebral venous thrombotic events.
  • - Key findings reveal the role of systemic inflammation markers in neurological outcomes post-thrombectomy and the impact of blood lipids on the formation of arachnoid granulations, highlighting potential new therapeutic avenues.
  • - The research also emphasizes the efficacy and safety of thrombolytic treatments such as urokinase, as well as exploring the role of novel targets like phosphatidylserine in stroke management, aiming to improve patient outcomes significantly.