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Total 16 results found since Jan 2013.

Interpretable machine learning for predicting 28-day all-cause in-hospital mortality for hypertensive ischemic or hemorrhagic stroke patients in the ICU: a multi-center retrospective cohort study with internal and external cross-validation
ConclusionsThe XGBoost model accurately predicted 28-day all-cause in-hospital mortality among hypertensive ischemic or hemorrhagic stroke patients admitted to the ICU. The SHAP method can provide explicit explanations of personalized risk prediction, which can aid physicians in understanding the model.
Source: Frontiers in Neurology - August 8, 2023 Category: Neurology Source Type: research

Unlucky numbers: Fighting murder convictions that rest on shoddy stats
LEIDEN, THE NETHERLANDS— When a Dutch nurse named Lucia de Berk stood trial for serial murder in 2003, statistician Richard Gill was aware of the case. But he saw no reason to stick his nose into it. De Berk was a pediatric nurse at Juliana Children’s Hospital in The Hague. In 2001, after a baby died while she was on duty, a colleague told superiors that De Berk had been present at a suspiciously high number of deaths and resuscitations. Hospital staff immediately informed the police. When investigators reexamined records from De Berk’s shifts, they found 10 suspicious incidents. Three other hospitals where D...
Source: Science of Aging Knowledge Environment - January 19, 2023 Category: Geriatrics Source Type: research

Cortical propagation tracks functional recovery after stroke
In conclusion, our new spatiotemporal propagation indicators could represent promising biomarkers that are able to uncover neural correlates not only of motor deficits caused by stroke but also of functional recovery during rehabilitation. In turn, these insights could pave the way tow ards more targeted post-stroke therapies.
Source: PLoS Computational Biology - May 17, 2021 Category: Biology Authors: Gloria Cecchini Source Type: research

Ultrasound-based internal carotid artery plaque characterization using deep learning paradigm on a supercomputer: a cardiovascular disease/stroke risk assessment system
AbstractVisual or manual characterization and classification of atherosclerotic plaque lesions are tedious, error-prone, and time-consuming. The purpose of this study is to develop and design an automated carotid plaque characterization and classification system into binary classes, namely symptomatic and asymptomatic types via the deep learning (DL) framework implemented on a supercomputer. We hypothesize that on ultrasound images, symptomatic carotid plaques have (a) a low grayscale median because of a histologically large lipid core and relatively little collagen and calcium, and (b) a higher chaotic (heterogeneous) gra...
Source: The International Journal of Cardiovascular Imaging - January 9, 2021 Category: Radiology Source Type: research

Using Dental Pulp Stem Cells for Stroke Therapy
Conclusion and Future Perspectives Stem cell-based therapy is a promising alternative for stroke treatment. While stem cells from different sources, including induced PSC, ESC, MSC, and NSC, have been investigated, using NSC and enhancing the natural mechanisms is most appropriate for brain repair. In preclinical models of stroke, stem cell transplantation has led to positive outcomes through a variety of cellular and molecular mechanisms, many being mediated by the array of beneficial factors produced by the cells. Recent advances in cellular reprogramming have provided alternative sources of NSC to be investigated, allo...
Source: Frontiers in Neurology - April 28, 2019 Category: Neurology Source Type: research

Osteoporosis and Sarcopenia Increase Frailty Syndrome in the Elderly
Conclusions World population is aging and the increase in life expectancy is often unhealthy. In particular, musculoskeletal aging, which leads to sarcopenia and osteoporosis, has several causes such as changes in body composition, inflammation, and hormonal imbalance. Sarcopenia, osteoporosis, and more frequently, sarcopenic obesity are commonly associated with aging and frequently closely linked each other, often leading to the development of a frailty syndrome. Frailty syndrome favors an increased risk of loss function in daily activities, for cardiovascular diseases, cancers, falls, and mortality. As the number of eld...
Source: Frontiers in Endocrinology - April 23, 2019 Category: Endocrinology Source Type: research

Apelin-13 Suppresses Neuroinflammation Against Cognitive Deficit in a Streptozotocin-Induced Rat Model of Alzheimer ’s Disease Through Activation of BDNF-TrkB Signaling Pathway
Conclusion The data in this manuscript demonstrates that apelin-13 upregulates BDNF against STZ-induced congnitive impairment by suppressing glial cell activity and inflammatory factors release. This suggests apelin signaling may be a new target in the treatment of AD. Ethics Statement All experimental protocols were carried out according to the National Institutes of Health Guide for the Care and Use of Laboratory Animals approved by the Central South University at XiangYa Animal Care and Use Committee. Author Contributions XqQ and LH conceived the study and contributed to its experimental design. HqL carried out the...
Source: Frontiers in Pharmacology - April 15, 2019 Category: Drugs & Pharmacology Source Type: research

1H NMR-Based Metabolomics Reveals Refined-Huang-Lian-Jie-Du-Decoction (BBG) as a Potential Ischemic Stroke Treatment Drug With Efficacy and a Favorable Therapeutic Window
This study was carried out in accordance with the recommendations of Animal Ethics Committee of China Pharmaceutical University. The protocol was approved by Animal Ethics Committee of China Pharmaceutical University. Author Contributions JW, MY, and LK conceived the experiments and helped to coordinate support and funding. XF performed the research and drafted the manuscript. SL, YL, and DX participated in the experiments. JW analyzed the data and edited the paper. All authors read and approved the final manuscript. Conflict of Interest Statement The authors declare that the research was conducted in the absence of an...
Source: Frontiers in Pharmacology - April 11, 2019 Category: Drugs & Pharmacology Source Type: research

CNS Summit 2017 Abstracts of Poster Presentations
Conclusion: This novel technology discriminates and quantifies subtle differences in behavior and neurological impairments in subjects afflicted with neurological injury/disease. KINARM assessments can be incorporated into multi-center trials (e.g., monitoring stroke motor recovery: NCT02928393). Further studies will determine if KINARM Labs can demonstrate a clinical effect with fewer subjects over a shorter trial period. Disclosures/funding: Dr. Stephen Scott is the inventor of KINARM and CSO of BKIN Technologies.   Multiplexed mass spectrometry assay identifies neurodegeneration biomarkers in CSF Presenter: Chelsky...
Source: Innovations in Clinical Neuroscience - November 1, 2017 Category: Neuroscience Authors: ICNS Online Editor Tags: Assessment Tools biomarkers Cognition Current Issue Drug Development General Genetics Medical Issues Neurology Patient Assessment Psychopharmacology Scales Special Issues Supplements Trial Methodology clinical trials CNS Su Source Type: research

Effects of High- Versus Moderate-Intensity Training on Neuroplasticity and Functional Recovery After Focal Ischemia Basic Sciences
Conclusions—Low-volume HIT based on lactate threshold seems to be more effective after cerebral ischemia than work-matched MOD to improve aerobic fitness and grip strength and might promote cerebral plasticity.
Source: Stroke - September 25, 2017 Category: Neurology Authors: Caroline Pin–Barre, Annabelle Constans, Jeanick Brisswalter, Christophe Pellegrino, Jerome Laurin Tags: Cerebrovascular Disease/Stroke, Ischemic Stroke, Neuroprotectants Original Contributions Source Type: research

Promoting evidence-based health care in Africa
Charles Shey Wiysonge, Director ofCochane  South Africa, gave an interview to the World Health Organization Bulletin. Here is a re-post , with premission, from their  recent publication.Charles Shey Wiysonge is devoted to encouraging better use of scientific evidence for health policies and programmes in African countries. He is the director of the South African Cochrane Centre, a unit of the South African Medical Research Council, and a professor of epidemiology and biostatistics at the department of Global Health in the Faculty of Medicine and Health Sciences at Stellenbosch University in South Africa. He was Chief Res...
Source: Cochrane News and Events - August 17, 2017 Category: Information Technology Authors: Muriah Umoquit Source Type: news

Development of a recalcitrant, large clot burden, bifurcation occlusion model for mechanical thrombectomy.
CONCLUSIONS Using novel large-bore distal access catheters, large unfragmented clots can be delivered into distal extracranial vessels in a swine occlusion model. The model mimics the clinical situation of a recalcitrant bifurcation occlusion and will be valuable in the study of next-generation stroke devices and in training settings. PMID: 28366057 [PubMed - in process]
Source: Neurosurgical Focus - April 1, 2017 Category: Neurosurgery Authors: Srinivasan VM, Chen SR, Camstra KM, Chintalapani G, Kan P Tags: Neurosurg Focus Source Type: research

Medtech approvals: FDA releases August 2015 PMAs
The FDA today released its list of the pre-market approvals it granted for medical devices in August 2015: Summary of PMA Originals & Supplements Approved Originals: 2 Supplements: 70 Summary of PMA Originals Under Review Total Under Review: 57 Total Active: 28 Total On Hold: 29 Summary of PMA Supplements Under Review Total Under Review: 569 Total Active: 422 Total On Hold: 147 Summary of All PMA Submissions Originals: 5 Supplements: 90 Summary of PMA Supplement PMA Approval/Denial Decision Times Number of Approvals: 70 Number of Denials: 0 Average Days Fr Receipt to Decision (Total Time): 229.0 FDA Time: 130...
Source: Mass Device - October 23, 2015 Category: Medical Equipment Authors: Brad Perriello Tags: Food & Drug Administration (FDA) Pre-Market Approval (PMA) Regulatory/Compliance Source Type: news

The Best Protein You Can Eat, According To Nutritionists
Protein is the key to keeping cravings at bay, building lean muscle and dropping those last few pounds. But according to a new review published in Applied Physiology, Nutrition and Metabolism, it’s not just how much protein you eat that’s important: It's where you get your protein that also matters. The reason is threefold. First of all, every source of protein -- from chicken to peanuts -- contains a different array of amino acids, the building blocks of protein. Of the 20 various amino acids, nine are “essential,” meaning you can only get them from food. So it’s especiall...
Source: Healthy Living - The Huffington Post - August 16, 2015 Category: Consumer Health News Source Type: news