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Sudden Vision Loss: A Diagnostic Approach.
Am Fam Physician
January 2025
Western University Schulich School of Medicine and Dentistry, London, Ontario, Canada.
Vision loss affects more than 7 million Americans and impacts quality of life, independence, social functioning, and overall health. Common and dangerous conditions causing sudden vision loss include acute angle-closure glaucoma, retinal detachment, retinal artery occlusion, giant cell arteritis, and optic neuritis. Acute angle-closure glaucoma features ocular pain, headache, and nausea; treatment includes pilocarpine eye drops, oral or intravenous acetazolamide, and intravenous mannitol.
View Article and Find Full Text PDFReply.
Cornea
January 2025
Department of Ophthalmology, Stanford University, Byers Eye Institute, Palo Alto, CA.
Nanopore Discriminates Watson-Crick and Hoogsteen Hydrogen Bonds in Multiple DNA Contexts.
Nano Lett
January 2025
Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China.
Watson-Crick and Hoogsteen hydrogen bonds aid the formation of highly ordered structures in genomic DNA that dynamically govern genetic modes such as gene regulation and replication. Hence, measuring and distinguishing these two types of hydrogen bonds in different DNA contexts are essential for understanding DNA architectures. However, due to their transient nature and minimal structure differences at the sub-nanometer scale, differentiating Watson-Crick hydrogen bonds from Hoogsteen hydrogen bonds is difficult.
View Article and Find Full Text PDFNociplastic pain among individuals with chronic ocular surface pain: one cause for "pain without stain"?
Surv Ophthalmol
January 2025
Michigan Medicine, Department of Ophthalmology and Visual Sciences, Ann Arbor, MI, USA.
Chronic ocular surface pain (COSP) refers to interrelated symptoms such as eye burning, aching, and irritation and can occur as an isolated condition or comorbid with numerous ocular disorders, including dry eye syndrome Treatments for COSP are largely aimed at the ocular surface and modulating pain arising from damaged corneal nerves; however, the average impact of these treatments on COSP are low to absent. A potential explanation for this is that in a subset of patients with COSP, individuals have amplified and/or dysregulated neural signaling and sensory processing within the central nervous system (CNS). As in other chronic pain conditions, this might be the pathogenic mechanism primarily responsible for maintaining pain - a phenomenon now referred to as nociplastic pain.
View Article and Find Full Text PDFProper timing or ERCP and cholecystectomy on acute cholecystitis: a systematic review and meta-analysis.
Acta Cir Bras
January 2025
Instituto de Ensino, Pesquisa e Inovação - Liga Contra o Câncer - Natal (RN) - Brazil.
Purpose: To determine if endoscopic retrograde cholangiopancreatography (ERCP) should be performed with surgery or as a different step, on acute cholecystitis, and which strategy has the least complications and morbimortality.
Methods: Various databases (PubMed, Embase, Scopus, Web of Science, Science Direct, Cochrane Central Register of Controlled Trials, CINAHL, Latin American and Caribbean Health Sciences Literature, clinical trials, Google Scholar) were searched for randomized trials comparing the different timings for ERCP and cholecystectomy. No language or time restrictions were applied.
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