29,021 results match your criteria: "A.K.; King's College Hospital NHS Foundation Trust J.A.M.; Department of Ophthalmology J.A.M.[Affiliation]"

Background: Patient-provider communication through the patient portal has markedly increased in recent years. Some health care facilities implemented programs to enable providers to bill for responding to patient-initiated messages that require substantive medical decision making through an e-visit.

Objective: To evaluate the effect of billing eligible patient-initiated portal messages as e-visits using a mixed-methods approach.

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Unlabelled: The rising atmospheric concentration of CO is a major concern to society due to its global warming potential. In soils, CO-fixing microorganisms are preventing some of the CO from entering the atmosphere. Yet, the controls of dark CO fixation are rarely studied .

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Spirochrains A-D, Four Caged [5,6,5] Spirocyclic Amides from an Antarctic Fungus SCSIO 05702 with Anti-RSV Activities.

Org Lett

January 2025

CAS Key Laboratory of Tropical Marine Bio-resources and Ecology/Guangdong Key Laboratory of Marine Materia Medica, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China.

Spirochrains A-D, four undescribed spirocyclic amides, were obtained from an Antarctic fungus, SCSIO 05702. Their structures were elucidated through spectroscopic analysis and quantum calculations. Spirochrains A-D possess a rarely reported cage-like 5/6/5 fused spirocyclic amide scaffold.

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Background:  Nephrotoxin exposure may worsen kidney injury and impair kidney recovery if continued in patients with acute kidney injury (AKI).

Objectives:  This study aimed to determine if tiered implementation of a clinical decision support system (CDSS) would reduce nephrotoxin use in cardiac surgery patients with AKI.

Methods:  We assessed patients admitted to the cardiac surgery intensive care unit at a tertiary care center from January 2020 to December 2021, and August 2022 to September 2023.

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Epidemiological evidence associates latent infection with the development of neuropsychiatric disorders, and various immunological and environmental factors play key pathophysiological roles through host immune response alterations. We investigated the cognitive and motor alterations occurring in the terminal stage of infection in rats, and whether a low-protein diet, a high-fat diet or ovariectomy may accelerate their development, given the role of malnutrition and menopause on immunity and resistance to infection. In two sets of experiments, 2-month-old (157.

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Highly Pathogenic Avian Influenza A(H5N1) Virus Infections in Humans.

N Engl J Med

December 2024

From the Influenza Division, Centers for Disease Control and Prevention, Atlanta (S.G., K.R., A.C., K.K., C.T.D., M.K.K., S. Ellington, A.M.M., A.B., J.R.B., M.B., M.A.J., M.R.-C., E.B., T.T.S., T.M.U., V.G.D., C.R., S.J.O.); California Department of Public Health, Richmond (E.L.M., S.Z., V.K., D.A.W.); the Epidemic Intelligence Service, Centers for Disease Control and Prevention, Atlanta (S.Z., C.D.); Colorado Department of Public Health and Environment, Denver (C.D., A.K., M.O.); Mid-Michigan District Health Department, Stanton (J.M.); Michigan Department of Health and Human Services, Lansing (S. Eckel); Missouri Department of Health and Senior Services, Jefferson City (J.G., G.T.); Benton-Franklin Health District, Kennewick, WA (S.K.); Washington State Department of Health, Tumwater (A.U.); and Texas Department of State Health Services, Austin (E.R.G., C.A.H.).

Background: Highly pathogenic avian influenza A(H5N1) viruses have caused widespread infections in dairy cows and poultry in the United States, with sporadic human cases. We describe characteristics of human A(H5N1) cases identified from March through October 2024 in the United States.

Methods: We analyzed data from persons with laboratory-confirmed A(H5N1) virus infection using a standardized case-report form linked to laboratory results from the Centers for Disease Control and Prevention influenza A/H5 subtyping kit.

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Rapid identification and phenotyping of nonalcoholic fatty liver disease patients using a machine-based approach in diverse healthcare systems.

Clin Transl Sci

January 2025

Division of Digestive and Liver Diseases, Department of Medicine, Center for Liver Disease and Transplantation, Columbia University Irving Medical Center, New York, New York, USA.

Nonalcoholic fatty liver disease (NAFLD) is the most common global cause of chronic liver disease and remains under-recognized within healthcare systems. Therapeutic interventions are rapidly advancing for its inflammatory phenotype, nonalcoholic steatohepatitis (NASH) at all stages of disease. Diagnosis codes alone fail to recognize and stratify at-risk patients accurately.

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Clinical Pharmacokinetics and Pharmacodynamics of Baxdrostat.

Am J Cardiovasc Drugs

December 2024

East Coast Institute for Research, 3550 University Blvd S #101, Jacksonville, FL, USA.

Patients with hypertension are at an increased risk of cardiovascular disease and death. Resistant hypertension, or hypertension that is unsuccessfully treated with multiple antihypertensive medications, further exacerbates the complications and negative outcomes for patients. A new pathway, via aldosterone synthesis inhibition, is currently being studied as a method to reduce blood pressure values in patients who are currently taking other antihypertensive medications.

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Objective: The primary aim was to determine the performance of neoadjuvant chemotherapy VI-RADS (nacVI-RADS) in predicting response to systemic therapy in patients with MIBC and to evaluate its inter-reader agreement.

Materials And Methods: Prospective study, including patients with non-metastatic muscle-invasive bladder cancer (MIBC) who underwent neoadjuvant chemotherapy before radical cystectomy (RC). Patients underwent pre- and post-treatment MRI.

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Although respiratory symptoms are the most prevalent disease manifestation of infection by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), nearly 20% of hospitalized patients are at risk for thromboembolic events. This prothrombotic state is considered a key factor in the increased risk of stroke, which is observed clinically during both acute infection and long after symptoms clear. Here, we develop a model of SARS-CoV-2 infection using human-induced pluripotent stem cell-derived endothelial cells (ECs), pericytes (PCs), and smooth muscle cells (SMCs) to recapitulate the vascular pathology associated with SARS-CoV-2 exposure.

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Magnetoplumbites are one of the most broadly studied families of hexagonal ferrites, typically with high magnetic ordering temperatures, making them excellent candidates for permanent magnets. However, magnetic frustration is rarely observed in magnetoplumbites. Herein, the discovery, synthesis, and characterization of the first Mn-based magnetoplumbite, as well as the first magnetoplumbite involving pnictogens (Sb), ASbMnO (A = K or Rb) are reported.

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Diabetic kidney disease (DKD), a.k.a diabetic nephropathy, is a leading cause of end-stage renal disease.

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Multiple mechanisms mediate aztreonam-avibactam resistance in Klebsiella pneumoniae: driven by KPC-2 and OmpK36 mutations.

Int J Antimicrob Agents

December 2024

Department of Clinical Laboratory, Key Laboratory of Clinical Laboratory Diagnosis and Translational Research of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China. Electronic address:

Aztreonam-avibactam (ATM-AVI) is a promising β-lactam/β-lactamase inhibitor combination with an antimicrobial spectrum covering serine carbapenemase- or metallo-β-lactamase-producing Enterobacterales. Although ATM-AVI has not been widely used in clinical practice, resistance to it in Escherichia coli has been widely reported. In this study, we investigated an ATM-AVI-resistant Klebsiella pneumoniae strain, designated as 1705R, derived from K.

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The chloride transporter-channel SLC26A9 is mediated by a reciprocal regulatory mechanism through the interaction between its cytoplasmic STAS domain and the R domain of CFTR. In vertebrate Slc26a9s, the STAS domain structures are interrupted by a disordered loop which is conserved in mammals but is variable in non-mammals. Despite the numerous studies involving the STAS domains in SLC26 proteins, the role of the disordered loop region has not been identified.

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Coupling of response biomarkers between tumor and peripheral blood in patients undergoing chemoimmunotherapy.

Cell Rep Med

December 2024

National Centre for Asbestos Related Diseases, Institute for Respiratory Health, Nedlands, WA 6009, Australia; School of Biomedical Sciences, University of Western Australia, Crawley, WA 6009, Australia; The Kids Research Institute, University of Western Australia, Nedlands WA 6009, Australia. Electronic address:

Platinum-based chemotherapy in combination with anti-PD-L1 antibodies has shown promising results in mesothelioma. However, the immunological mechanisms underlying its efficacy are not well understood and there are no predictive biomarkers to guide treatment decisions. Here, we combine time course RNA sequencing (RNA-seq) of peripheral blood mononuclear cells with pre-treatment tumor transcriptome data from the single-arm, phase 2 DREAM trial (N = 54).

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Advancements in immunotherapy for colorectal cancer treatment: a comprehensive review of strategies, challenges, and future prospective.

Int J Colorectal Dis

December 2024

Faculty of Allied Health Sciences, Chettinad Hospital and Research Institute (CHRI), Chettinad Academy of Research and Education (CARE), Kelambakkam, Chennai, Tamil Nadu, 603103, India.

Purpose: Colorectal cancer (CRC) remains one of the leading causes of cancer-related mortality worldwide. Metastatic colorectal cancer (mCRC) continues to present significant challenges, particularly in patients with proficient mismatch repair/microsatellite stable (pMMR/MSS) tumors. This narrative review aims to provide recent developments in immunotherapy for CRC treatment, focusing on its efficacy and challenges.

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Allergic rhinitis.

Allergy Asthma Clin Immunol

December 2024

Division of Allergy & Immunology, Department of Medicine, Queen's University, Kingston, ON, Canada.

Allergic rhinitis (AR) is a common disorder that is strongly linked to asthma and conjunctivitis. Classic symptoms include nasal congestion, nasal itch, rhinorrhea and sneezing. A thorough history, physical examination and assessment of allergen sensitization are important for establishing the diagnosis of AR.

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Deep brain stimulation (DBS), a proven treatment for movement disorders, also holds promise for the treatment of psychiatric and cognitive conditions. However, for DBS to be clinically effective, it may require DBS technology that can alter or trigger stimulation in response to changes in biomarkers sensed from the patient's brain. A growing body of evidence suggests that such adaptive DBS is feasible, it might achieve clinical effects that are not possible with standard continuous DBS and that some of the best biomarkers are signals from the cerebral cortex.

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Predicting Post-Operative Side Effects in VIM MRgFUS Based on THalamus Optimized Multi Atlas Segmentation (THOMAS) on White-Matter-Nulled MRI: A Retrospective Study.

AJNR Am J Neuroradiol

December 2024

From the UCLA Brain Tumor Imaging Laboratory (BTIL), Center for Computer Vision and Imaging Biomarkers (S.O., A.K., B.M.E., J.Y.), University of California, Los Angeles, Los Angeles, California

Background And Purpose: Precise and individualized targeting of the ventral intermediate thalamic nucleus for the MR-guided focused ultrasound is crucial for enhancing treatment efficacy and avoiding undesirable side effects. In this study, we tested the hypothesis that the spatial relationships between Thalamus Optimized Multi Atlas Segmentation derived segmentations and the post-focused ultrasound lesion can predict post-operative side effects in patients treated with MR-guided focused ultrasound.

Materials And Methods: We retrospectively analyzed 30 patients (essential tremor, n = 26; tremor-dominant Parkinson's disease, n = 4) who underwent unilateral ventral intermediate thalamic nucleus focused ultrasound treatment.

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Single-cell analysis of bidirectional reprogramming between early embryonic states identify mechanisms of differential lineage plasticities in mice.

Dev Cell

December 2024

Developmental Biology Program, Sloan Kettering Institute, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; Biochemistry, Cell and Molecular Biology Program, Weill Cornell Graduate School of Medical Sciences, New York, NY 10021, USA. Electronic address:

Two distinct lineages, pluripotent epiblast (EPI) and primitive (extra-embryonic) endoderm (PrE), arise from common inner cell mass (ICM) progenitors in mammalian embryos. To study how these sister identities are forged, we leveraged mouse embryonic stem (ES) cells and extra-embryonic endoderm (XEN) stem cells-in vitro counterparts of the EPI and PrE. Bidirectional reprogramming between ES and XEN coupled with single-cell RNA and ATAC-seq analyses showed distinct rates, efficiencies, and trajectories of state conversions, identifying drivers and roadblocks of reciprocal conversions.

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Background/objectives: Transverse myelitis (TM) is a rare, acute inflammatory disorder affecting the spinal cord, with severe potential consequences, particularly in pediatric patients. Therapeutic plasma exchange (TPE) has emerged as a possible intervention for children unresponsive to high-dose corticosteroids. This study explores the efficacy of early TPE in pediatric TM through a case report and scoping review aiming to clarify the therapeutic benefits of TPE when used in conjunction with corticosteroids in children.

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Background: The mechanisms underlying the resistance of the genus to aminoglycosides are complex, which poses a challenge for the efficient treatment of infectious diseases caused by these pathogens. To help clinicians treat infections more effectively, a more comprehensive understanding of antibiotic resistance mechanisms is urgently needed.

Methods: Plates were streaked to isolate bacteria from the intestinal contents of fish.

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Petroclival approaches remain challenging given abundant cranial nerves and vessels. Common trajectories include transsphenoidal, transoral, middle fossa-extradural, and posterior through the cerebellar peduncle. We report a unique intra-axial, intradural approach to the petroclival and cavernous sinus.

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Increasing rates of antimicrobial resistance has accelerated global efforts to reduce antibiotic use. While antibiotic resistance poses a significant threat, especially in low-income settings, there is a scarcity of research on how people in such environments, including refugee camps, access and use antibiotics. This article explores factors that contribute to the shaping of antibiotic use in Shatila refugee camp in Lebanon.

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