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Human acute inflammatory recovery is defined by co-regulatory dynamics of white blood cell and platelet populations

Author

Listed:
  • Brody H. Foy

    (Harvard Medical School
    Harvard Medical School
    Harvard Medical School)

  • Thoralf M. Sundt

    (Massachusetts General Hospital)

  • Jonathan C. T. Carlson

    (Harvard Medical School
    Harvard Medical School)

  • Aaron D. Aguirre

    (Harvard Medical School
    Harvard Medical School
    Harvard Medical School
    Massachusetts General Hospital, Harvard Medical School)

  • John M. Higgins

    (Harvard Medical School
    Harvard Medical School
    Harvard Medical School)

Abstract

Inflammation is the physiologic reaction to cellular and tissue damage caused by trauma, ischemia, infection, and other pathologic conditions. Elevation of white blood cell count (WBC) and altered levels of other acute phase reactants are cardinal signs of inflammation, but the dynamics of these changes and their resolution are not well established. Here we studied inflammatory recovery from trauma, ischemia, and infection by tracking longitudinal dynamics of clinical laboratory measurements in hospitalized patients. We identified a universal recovery trajectory defined by exponential WBC decay and delayed linear growth of platelet count (PLT). Co-regulation of WBC-PLT dynamics is a fundamental mechanism of acute inflammatory recovery and provides a generic approach for identifying high-risk patients: 32x relative risk (RR) of adverse outcomes for cardiac surgery, 9x RR of death from COVID-19, 9x RR of death from sepsis, and 5x RR of death from myocardial infarction.

Suggested Citation

  • Brody H. Foy & Thoralf M. Sundt & Jonathan C. T. Carlson & Aaron D. Aguirre & John M. Higgins, 2022. "Human acute inflammatory recovery is defined by co-regulatory dynamics of white blood cell and platelet populations," Nature Communications, Nature, vol. 13(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-32222-2
    DOI: 10.1038/s41467-022-32222-2
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