Publications by authors named "R Balk"

SeptiCyte RAPID is a transcriptional host response assay that discriminates between sepsis and non-infectious systemic inflammation (SIRS) with a one-hour turnaround time. The overall performance of this test in a cohort of 419 patients has recently been described [Balk et al., J Clin Med 2024, 13, 1194].

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Objectives: We aimed to summarize the most significant and impactful publications describing the pharmacotherapeutic care of critically ill patients in 2023.

Data Sources: PubMed/MEDLINE and the Clinical Pharmacy and Pharmacology Pharmacotherapy Literature Update.

Study Selection: Randomized controlled trials and prospective studies of adult critically ill patients assessing a pharmacotherapeutic intervention and reporting clinical endpoints published between January 1, 2023, and December 31, 2023, were eligible for inclusion in this article.

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(1) : Dexmedetomidine is a sedative for patients receiving invasive mechanical ventilation (IMV) that previous single-site studies have found to be associated with improved survival in patients with COVID-19. The reported clinical benefits include dampened inflammatory response, reduced respiratory depression, reduced agitation and delirium, improved preservation of responsiveness and arousability, and improved hypoxic pulmonary vasoconstriction and ventilation-perfusion ratio. Whether improved mortality is evident in large, multi-site COVID-19 data is understudied.

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Article Synopsis
  • SeptiCyte RAPID is a molecular test designed to differentiate between sepsis and non-infectious systemic inflammation, utilizing a blood RNA sample to deliver results in about one hour.
  • A study tested both retrospective and prospective patient samples in ICU settings, with physicians evaluating cases without knowledge of the test outcomes.
  • The test showed strong performance, especially under the Sepsis-2 criteria, with high AUC values and predictive capabilities, indicating it is a crucial tool for diagnosing sepsis, though some discrepancies were noted when compared to the Sepsis-3 criteria.
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Biomarkers are used in the diagnosis, severity determination, and prognosis for patients with community-acquired pneumonia (CAP). Selected biomarkers may indicate a bacterial infection and need for antibiotic therapy (C-reactive protein, procalcitonin, soluble triggering receptor expressed on myeloid cells). Biomarkers can differentiate CAP patients who require hospital admission and severe CAP requiring intensive care unit admission.

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