A5017893543- Cerebrovascular and Carotid Artery Diseases
- Acute Ischemic Stroke Management
- Advanced MRI Techniques and Applications
- Traumatic Brain Injury and Neurovascular Disturbances
- Moyamoya disease diagnosis and treatment
- Medical Imaging Techniques and Applications
- Cardiac Imaging and Diagnostics
- Cerebrovascular and genetic disorders
- Intracranial Aneurysms: Treatment and Complications
- Radiomics and Machine Learning in Medical Imaging
- Glioma Diagnosis and Treatment
- Coronary Interventions and Diagnostics
- RNA regulation and disease
- Atherosclerosis and Cardiovascular Diseases
- E-commerce and Technology Innovations
- Vascular Malformations Diagnosis and Treatment
- Fetal and Pediatric Neurological Disorders
- Lung Cancer Diagnosis and Treatment
- Colorectal Cancer Screening and Detection
- Advanced Algorithms and Applications
- Cancer, Hypoxia, and Metabolism
- Neurological Disease Mechanisms and Treatments
- Neuroinflammation and Neurodegeneration Mechanisms
- Venous Thromboembolism Diagnosis and Management
- Advanced Neuroimaging Techniques and Applications
Chinese PLA General Hospital
2022-2025
China Tobacco
2025
PLA Academy of Military Science
2021-2022
Background Middle cerebral artery (MCA) stenosis affects lenticulostriate arteries (LSAs) that supply the basal ganglia. Increased spatial resolution and signal‐to‐noise ratio of 7 T could facilitate morphological imaging very‐small‐diameter LSAs. Purpose To evaluate differences in characteristics LSA among different MCA stenoses. Study Type Prospective. Subjects We enrolled 161 patients (age: 26–83 years, 115 males) with MCA‐M1‐segment stenosis, assigned them to symptomatic (ischemic stroke...
Background Iodinated contrast agents (ICAs), which are widely used in CT angiography (CTA), may cause adverse effects humans, and their use is time-consuming costly. Purpose To develop an ICA-free deep learning imaging model for synthesizing CTA-like images to assess quantitative qualitative image quality as well the diagnostic accuracy of synthetic CTA (Syn-CTA) images. Materials Methods A generative adversarial network (GAN)-based was trained, validated, tested on retrospectively collected...
Abstract Aims Our purpose is to assess the role of cerebral small vessel disease (SVD) in prediction models patients with different subtypes acute ischemic stroke (AIS). Methods We enrolled 398 small‐vessel occlusion (SVO) and 175 large artery atherosclerosis (LAA) AIS patients. Functional outcomes were assessed using modified Rankin Scale (mRS) at 90 days. MRI was performed white matter hyperintensity (WMH), perivascular space (PVS), lacune, microbleed (CMB). Logistic regression (LR)...
To address the issues affecting detection effectiveness of carton label images in cigarette logistics, such as dense and overlapping targets significant disparities shape aspect ratio, this paper proposes an enhanced QR code target algorithm based on YOLOv3. By integrating deformable convolution for feature extraction, adopting Soft-nms more flexible non-maximum suppression, incorporating focal loss function, modified YOLOv3 demonstrates improved performance. The algorithm's efficacy is...
While digital subtraction angiography (DSA) is traditionally used for moyamoya disease (MMD) assessment, its invasiveness and limitations necessitate alternative methods. The higher signal-to-noise ratio (SNR) contrast-to-noise of 7T MRI improve the clarity image retains details structures. We aimed to assess performance in identifying hemorrhagic risk features MMD compared with 3T DSA. This cross-sectional study recruited patients who underwent both scans within a 24-hour window, from March...
There is a growing interest and adoption of 7 Tesla (T) magnetic resonance imaging (MRI) in the field medicine research. In domain neuroimaging, 7T MRI shows notable advantages over lower strength systems by offering improved visualization anatomical structures, enhanced lesion conspicuity, better characterization pathological processes. Cerebrovascular disease, which involves spectrum etiologies from large artery abnormalities to small vessel leading cause morbidity mortality worldwide....
This study aimed to evaluate the diagnostic value of ultrahigh-field magnetic resonance imaging (MRI) for brain tumors in clinical practice.Thirty patients with underwent 7- and 3-T MRI. The performance confidence MRI visualization tumor details such as internal structure feeding artery were evaluated by radiologists. Contrast-enhanced region detail score (DCS) calculated compared between 7 3T using Wilcoxon rank sum test.In 19 obvious enhancement 11 cases without enhancement, showed similar...
Background and purpose Individuals with intracranial artery occlusion have high rates of ischaemic events recurrence. It has been challenging to identify patients who had high-risk stroke using a simple, valid non-invasive screening approach. This study aimed investigate whether fluid-attenuated inversion recovery (FLAIR) vascular hyperintensity (FVH), specific imaging sign on the FLAIR sequence, could be predictor in population internal carotid (ICA) or middle cerebral (MCA) occlusion....
Background Global brain health has gained increasing attention recently. Imaging markers of frailty have been related to functional outcomes in previous studies on anterior circulation; however, little data are available imaging and posterior circulation. Purpose To investigate the impact patients with acute perforating artery infarction (PAI) Study Type Prospective. Population One hundred (60.78 ± 9.51 years, 72% men) circulation PAI (determined by diffusion‐weighted magnetic resonance...
Background Ultra‐high field 7T MRI can provide excellent tissue contrast and anatomical details, but is often cost prohibitive, not widely accessible in clinical practice. Purpose To generate synthetic images from acquired 3T with deep learning to evaluate the feasibility of this approach for brain imaging. Study Type Prospective. Population 33 healthy volunteers 89 patients diseases, divided into training, evaluation datasets ratio 4:1. Sequence Field Strength T1‐weighted nonenhanced or...
Abstract Objectives We aim to investigate whether cerebral small vessel disease (cSVD) imaging markers correlate with deep medullary vein (DMV) damage in occlusion acute ischemic stroke (SVO-AIS) patients. Methods The DMV was divided into six segments according the regional anatomy. total score (0–18) calculated based on segmental continuity and visibility. of grouped quartiles score. Neuroimaging biomarkers cSVD including white matter hyperintensity (WMH), microbleed (CMB), perivascular...
Background Small vessel disease (SVD) shares common vascular risk factors with large artery (LAD). However, little is known about the relationship between intracranial stenosis and SVD burden. Purpose To investigate whether burden correlates severity of LAD. Study Type Retrospective. Population Five hundred sixteen patients LAD arterial circulation were enrolled from one hospital, including 384 males (59 ± 11 years) 132 females (60 12 years). Field Strength/Sequence 3 T. T 1 ‐weighted fast...
Background Arterial spin labeling (ASL) has shown potential for the assessment of penumbral tissue in patients with acute ischemic stroke (AIS). The postlabeling delay (PLD) parameter is sensitive to arterial transit delays and influences cerebral blood flow measurements. Purpose To assess impact ASL acquisition at different PLDs quantification compare their performance regarding assisting patient selection endovascular treatment dynamic susceptibility contrast MRI (DSC‐MRI) as reference...
Early prediction of transient ischemic attack (TIA) has important clinical value. To date, systematic studies on clinical, biochemical, and imaging indicators related to carotid atherosclerosis have been carried out predict the occurrence TIA. However, their accuracy is limited.To explore role combining wall shear stress (WSS) with conventional predictive in improving TIA prediction.A total 250 patients who underwent ultrasonography at Naval Military Medical University Affiliated Gongli...
Moyamoya disease (MMD) is an uncommon chronic cerebrovascular and a leading cause of stroke in pediatric young patients. Suzuki staging system based on conventional digital subtraction angiography (DSA) useful important index clinical. However, DSA invasive unnecessary some situations. 7T TOF-MRA enables the visualization "puff smoke" collateral network MMD compared to 1.5T 3T. We tried grade by using Our results indicated that showed excellent performance as grading MMD.
Motivation: Cardiovascular disease (CVD) is closely related to cerebrovascular injury. However, even when the ejection fraction (EF) normal, cardiac microvascular system may still be abnormal. Goal(s): Explore relationship between CVD with preserved EF and injury.Approach: The heart brain MRI of participants were scanned 3.0T scanner. Different parameters high signal images white matter obtained. Results: Patients CVD, are associated WMH a risk factor for Impact: t crucial pay early...
Motivation: Knowing the genotype of gliomas is critical for prognostic assessment and treatment selection. 7.0T susceptibility-weighted imaging (SWI) allows visualizing deep medullary veins provides additional metabolic information. Goal(s): We used asymmetric vein (ADMV) sign on SWI to predict glioma isocitrate dehydrogenase mutation status Ki-67 expression level. Approach: assessed ADMV conventional morphological screening features (P<0.1) via multivariate logistic regression...