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Rigshospitalet - a part of Copenhagen University Hospital
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Systemic Immune Profile in Patients With CRSwNP

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DOI

  1. Food-Specific IgE and IgG Antibodies in Patients With Chronic Rhinosinusitis With Nasal Polyps: A Case-Control Study

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The immune pathogenesis of chronic rhinosinusitis with nasal polyps (CRSwNP) remains obscure. Our aim was to compare humoral immunity and white blood cell counts in patients with CRSwNP and controls. A prospective case-control study was carried out in 37 patients with CRSwNP and 34 controls without CRS. Clinical data were gathered through a systematic interview. Computed tomography scan, skin prick test, spirometry, and immunological parameters (leukocyte differential count, immunoglobulin classes, and immunoglobulin [Ig] G subclasses) in serum specimens were obtained. Statistical analysis was performed using SPSS v.23. The prevalence of chronic lower respiratory diseases was greater in the CRSwNP group (P < .001), but atopic disease had no significant difference. A significantly higher eosinophil (P < .001) and basophil relative count (P = .022) and a lower relative neutrophil count (P = .013) were found among CRSwNP group. Patients with CRSwNP had higher IgG1 (P = .022), but lower IgG2 (P = .014) and IgG3 (P = .018) serum levels compared to controls; IgG4, total IgG, IgA, IgM, and IgE serum levels did not differ between groups, as well as the prevalence of immunoglobulin classes or IgG subclasses deficiency. The variation observed in peripheral relative leukocyte count and the systemic IgG1 subclass shift are similar to what is known to happen in nasal polyp tissue. A unique systemic immune profile seems to be present in patients with CRSwNP.

Original languageEnglish
JournalEar, nose, & throat journal
Volume100
Issue number5_suppl
Pages (from-to)554S-561S
ISSN0145-5613
DOIs
Publication statusPublished - Sep 2021

    Research areas

  • immune system, nasal polyps, paranasal sinus diseases, sinusitis

ID: 67741586