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Neuroimaging Augments DCD-N Score in Predicting Time from Withdrawal of Life-Sustaining Measures to Death Among Potential Organ Donors.
Neurocrit Care
January 2025
Departments of Critical Care Medicine and Clinical Neurosciences, University of Calgary, Calgary, AB, Canada.
Background: Controlled donation after circulatory determination of death (DCD) is feasible only if circulatory arrest occurs soon after withdrawal of life-sustaining measures (WLSM). When organ recovery cannot proceed because this time interval is too long, there are potential negative implications, including perceptions of "secondary loss" for patients' families and significant resource consumption. The DCD-N score is a validated clinical tool for predicting rapid death following WLSM.
View Article and Find Full Text PDFChronic Lymphocytic Inflammation With Pontine Perivascular Enhancement Responsive to Steroids Presenting With Predominantly Neuro-Ophthalmic Features.
J Neuroophthalmol
January 2025
Departments of Ophthalmology and Visual Sciences (HMM, AH, EM), and Radiology (DMM), University of Toronto, Toronto, Canada; Department of Ophthalmology (LD), McMaster University, Hamilton, Canada; Departments of Ophthalmology and Visual Sciences, and Neurology (JDT), University of Michigan, Ann Arbor, Michigan; Department of Neurology (JDT), University of Michigan, Ann Arbor, Michigan; Division of Neurology, Department of Medicine (EM), University of Toronto, Toronto, Canada.
Background: Chronic lymphocytic inflammation with pontine perivascular enhancement responsive to steroids (CLIPPERS) is a rare and poorly understood inflammatory disorder of the central nervous system centered on the pons. It has a characteristic imaging appearance with enhancing and T2-hyperintense punctate and curvilinear lesions in the pons. The lesions lack restricted diffusion and have relatively little perilesional edema.
View Article and Find Full Text PDFMicro-vibration assisted dual-layer spiral microneedles to rapidly extract dermal interstitial fluid for minimally invasive detection of glucose.
Microsyst Nanoeng
January 2025
School of Engineering, University of Southern Queensland, Springfield, QLD, 4300, Australia.
Various hydrogels have been explored to create minimally invasive microneedles (MNs) to extract interstitial fluid (ISF). However, current methods are time-consuming and typically require 10-15 min to extract 3-5 mg of ISF. This study introduces two spiral-shaped swellable MN arrays: one made of gelatin methacryloyl (GelMA) and polyvinyl alcohol (PVA), and the other incorporating a combination of PVA, polyvinylpyrrolidone (PVP), and hyaluronic acid (HA) for fast ISF extraction.
View Article and Find Full Text PDFA dual thermo/pH-sensitive hydrogel as 5-Fluorouracil carrier for breast cancer treatment.
Anticancer Drugs
January 2025
Department of Thoracic Surgery, Affiliated Hospital of Shaoxing University, The Shaoxing Municipal Hospital, Shaoxing, Zhejiang, China.
Intelligent hydrogels are promising in constructing scaffolds for the controlled delivery of drugs. Here, a dual thermo- and pH-responsive hydrogel called PCG [poly (N-isopropyl acrylamide-co-itaconic acid)/chitosan/glycerophosphate (PNI/CS/GP)] was established as the carrier of 5-fluorouracil (5-FU) for triple-negative breast cancer (TNBC) treatment. The PCG hydrogel was fabricated by blending synthesized [poly (N-isopropyl acrylamide-co-itaconic acid), pNIAAm-co-IA, PNI] with CS in the presence of GP as a crosslinking agent.
View Article and Find Full Text PDFThe Intra-Articular Delivery of a Low-Dose Adeno-Associated Virus-IL-1 Receptor Antagonist Vector Alleviates the Progress of Arthritis in an Osteoarthritis Rat Model.
Pharmaceutics
November 2024
Chengdu Origen Biotechnology Co., Ltd., Chengdu 610036, China.
Interleukin-1 (IL-1) is a pivotal mediator in the pathological progression of osteoarthritis (OA), playing a central role in disease progression. However, the rapid clearance of IL-1 receptor antagonist (IL-1Ra) from the joints may hinder the efficacy of intra-articular IL-1Ra injections in reducing OA-associated pain or cartilage degradation. Sustaining sufficient levels of IL-1Ra within the joints via adeno-associated virus (AAV)-mediated gene therapy presents a promising therapeutic strategy for OA.
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