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    Inflammatory response following neutrophil recovery postchemotherapy in acute myeloid leukemia cases without evidence of infection: role of homing of neutrophils

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    Issue Date
    2014-03-10
    Author
    Pawar, Rahul D.
    William, Travis
    Khera, Rahdul
    Eid, Albert
    Aljitawi, Omar S.
    Dusing, Reginald W.
    Publisher
    Dove Medical Press Ltd
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Rights
    Copyright ©2012 Optical Society of America. The author may also publish the article on his or her own noncommercial web page ("noncommercial" pages are defined here as those not charging for admission to the site or for downloading of material while on the site).
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    Abstract
    Neutropenic sepsis is a common clinical entity occurring in postchemotherapy patients. Infection may not be the cause of fever in such patients after neutrophil-count recovery. Herein, we present two patients who developed fever during the neutropenic phase of induction chemotherapy and were treated with broad-spectrum antibiotics until they were no longer febrile and had recovered their neutrophil count. Being off antibiotics, they redeveloped fever within 48–72 hours. These fevers seemed to be secondary to postinfectious inflammatory response and not infection, supported by the fact that adequate antibiotic treatment was given and the collected fluid contained neutrophils but the cultures were negative. We hypothesize an explanation for this phenomenon based on the “homing of neutrophils” to bone marrow, which involves chemoattraction of CXC chemokine receptor (CXCR)-4 expressed on neutrophils towards the chemokine stromal cell-derived factor (SDF)-1 (CXCL12) expressed constitutively by bone marrow. Literature has shown that elevation of SDF-1 levels at injured/inflamed sites might create a similar gradient. This gradient results in the migration of neutrophils to the sites of previous injury/inflammation, leading to the formation of sterile abscesses. Based on our cases, we also conclude that antibiotics do not prevent the formation or treat such sterile “abscesses”; however, the drainage of these “abscesses” and treatment with anti-inflammatory agents are useful in such cases.
    Description
    A grant from the One-University Open Access Fund at the University of Kansas was used to defray the author’s publication fees in this Open Access journal. The Open Access Fund, administered by librarians from the KU, KU Law, and KUMC libraries, is made possible by contributions from the offices of KU Provost, KU Vice Chancellor for Research & Graduate Studies, and KUMC Vice Chancellor for Research. For more information about the Open Access Fund, please see http://library.kumc.edu/authors-fund.xml.
    URI
    http://hdl.handle.net/1808/13470
    DOI
    https://doi.org/10.2147/JBM.S53616
    Collections
    • KU Scholarly Papers Funded by the KU Open Access Fund [212]
    Citation
    Pawar, Rahul D., Williams, Travis, Khera, Rahul, Eid, Albert, Aljitawi, Omar S., Dusing, Reginald W. " Inflammatory response following neutrophil recovery postchemotherapy in acute myeloid leukemia cases without evidence of infection: role of homing of neutrophils" Journal of Blood Medicine. Dove Medical Press Ltd, Volume 2014:5 Pages 37 - 41. http://dx.doi.org/10.2147/JBM.S53616

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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