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  1. Article ; Online: Euglycemic Diabetic Ketoacidosis

    Jordan Sell / Nathan L. Haas / Frederick K. Korley / James A. Cranford / Benjamin S. Bassin

    Western Journal of Emergency Medicine, Vol 24, Iss 6, Pp 1049-

    Experience with 44 Patients and Comparison to Hyperglycemic Diabetic Ketoacidosis

    2023  Volume 1055

    Abstract: Introduction: Euglycemic diabetic ketoacidosis (DKA) (glucose <250 milligrams per deciliter (mg/dL) has increased in recognition since introduction of sodium-glucose co-transporter 2 (SGLT2) inhibitors but remains challenging to diagnose and manage ... ...

    Abstract Introduction: Euglycemic diabetic ketoacidosis (DKA) (glucose <250 milligrams per deciliter (mg/dL) has increased in recognition since introduction of sodium-glucose co-transporter 2 (SGLT2) inhibitors but remains challenging to diagnose and manage without the hyperglycemia that is otherwise central to diagnosing DKA, and with increased risk for hypoglycemia with insulin use. Our objective was to compare key resource utilization and safety outcomes between patients with euglycemic and hyperglycemic DKA from the same period. Methods: This is a retrospective review of adult emergency department patients in DKA at an academic medical center. Patients were included if they were >18 years old, met criteria for DKA on initial laboratories (pH ≤7.30, serum bicarbonate ≤18 millimoles per liter [mmol/L], anion gap ≥10), and were managed via a standardized DKA order set. Patients were divided into euglycemic (<250 milligrams per deciliter [mg/dL]) vs hyperglycemic (≥250 mg/dL) cohorts by presenting glucose. We extracted and analyzed patient demographics, resource utilization, and safety outcomes. Etiologies of euglycemia were obtained by manual chart review. For comparisons between groups we used independent-group t-tests for continuous variables and chi-squared tests for binary variables, with alpha 0.05. Results: We identified 629 patients with DKA: 44 euglycemic and 585 hyperglycemic. Euglycemic patients had milder DKA on presentation (higher pH and bicarbonate, lower anion gap; P < 0.05) and lower initial glucose (195 vs 561 mg/dL, P < 0.001) and potassium (4.3 vs 5.3 mmol/L, P < 0.001). Etiologies of euglycemia were insulin use prior to arrival (57%), poor oral intake with baseline insulin use (29%), and SGLT2 inhibitor use (14%). Mean time on insulin infusion was shorter for those with euglycemic DKA: 13.5 vs 19.4 hours, P = 0.003. Mean times to first bicarbonate >18 mmol/L and first long-acting insulin were similar. Incidence of hypoglycemia (<70 mg/dL) while on insulin infusion was ...
    Keywords Medicine ; R ; Medical emergencies. Critical care. Intensive care. First aid ; RC86-88.9
    Subject code 610
    Language English
    Publishing date 2023-09-01T00:00:00Z
    Publisher eScholarship Publishing, University of California
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: COVID-19 convalescent plasma boosts early antibody titer and does not influence the adaptive immune response

    John F. McDyer / Mahzad Azimpouran / Valerie L. Durkalski-Mauldin / Robert G. Clevenger / Sharon D. Yeatts / Xutao Deng / William Barsan / Robert Silbergleit / Nahed El Kassar / Iulia Popescu / Dimiter Dimitrov / Wei Li / Emily J. Lyons / Sophia C. Lieber / Mars Stone / Frederick K. Korley / Clifton W. Callaway / Larry J. Dumont / Philip J. Norris /
    for the SIREN-C3PO Investigators

    JCI Insight, Vol 8, Iss

    2023  Volume 8

    Abstract: Multiple randomized, controlled clinical trials have yielded discordant results regarding the efficacy of convalescent plasma in outpatients, with some showing an approximately 2-fold reduction in risk and others showing no effect. We quantified binding ... ...

    Abstract Multiple randomized, controlled clinical trials have yielded discordant results regarding the efficacy of convalescent plasma in outpatients, with some showing an approximately 2-fold reduction in risk and others showing no effect. We quantified binding and neutralizing antibody levels in 492 of the 511 participants from the Clinical Trial of COVID-19 Convalescent Plasma in Outpatients (C3PO) of a single unit of COVID-19 convalescent plasma (CCP) versus saline infusion. In a subset of 70 participants, peripheral blood mononuclear cells were obtained to define the evolution of B and T cell responses through day 30. Binding and neutralizing antibody responses were approximately 2-fold higher 1 hour after infusion in recipients of CCP compared with saline plus multivitamin, but levels achieved by the native immune system by day 15 were almost 10-fold higher than those seen immediately after CCP administration. Infusion of CCP did not block generation of the host antibody response or skew B or T cell phenotype or maturation. Activated CD4+ and CD8+ T cells were associated with more severe disease outcome. These data show that CCP leads to a measurable boost in anti–SARS-CoV-2 antibodies but that the boost is modest and may not be sufficient to alter disease course.
    Keywords COVID-19 ; Immunology ; Medicine ; R
    Subject code 610
    Language English
    Publishing date 2023-05-01T00:00:00Z
    Publisher American Society for Clinical investigation
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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