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  • Nordström, AxelSophiahemmet Högskola (author)

Distinct eicosanoid patterns in severe recalcitrant nasal polyposis

  • Article/chapterEnglish2023

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  • 2023
  • electronicrdacarrier

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  • LIBRIS-ID:oai:DiVA.org:shh-4917
  • https://urn.kb.se/resolve?urn=urn:nbn:se:shh:diva-4917URI
  • https://doi.org/10.1002/alr.23181DOI

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  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

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  • BACKGROUND: Although altered eicosanoid levels are related to disease severity in chronic rhinosinusitis with nasal polyps (CRSwNP), identifying patients prone to recurrent NPs is still difficult. We investigated levels of nasally secreted eicosanoids before and after NP surgery in patients with or without NP recurrence and explored potential endotypes based on pre-surgical eicosanoid levels.METHODS: Levels of leukotriene (LT) E4 , LTB4 , prostaglandin (PG) D2 , PGE2 and 15(S) hydroxyeicosatetraenoic acid (15(S)-HETE) were measured in nasal secretions with specific immunoassays at pre-surgery (n = 38) and six- and 12-months post-surgery (n = 35) where NP recurrence was identified endoscopically. Pre- and post-surgical levels were compared between patients with and without NP recurrence. Eicosanoid patterns among patients were explored with cluster analysis and evaluated with clinical parameters.RESULTS: Patients with recurrent NPs had pronounced pre-surgical levels of nasal 15(S)-HETE, PGD2 and LTE4 . From pre-surgery to 12-months after, NP recurrence was associated with significant decrease of 15(S)-HETE and PGD2 relative to non-recurrence whereas levels of LTE4 decreased at six-months but increased again at 12-months. Clustering revealed three potential endotypes. Cluster 1 and 3 featured high and low eicosanoid levels, respectively. Cluster 2 had higher levels of LTE4 and PGD2 , lower levels of PGE2 and LTB4 , and more cases of recurrent NPs and previous NP surgeries.CONCLUSION: Elevated nasal LTE4 , 12-month post-surgery, in NP recurrent subjects suggests that postoperative LTE4 measurements may indicate rapid NP regrowth. A distinct nasal eicosanoid profile may be used for the identification of the most severe recalcitrant patients in need of targeted immunomodulatory therapies. This article is protected by copyright. All rights reserved.

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  • Jangard, Mattias (author)
  • Svedberg, MarieSophiahemmet Högskola(Swepub:shh)marie.svedberg (author)
  • Ryott, Michael (author)
  • Kumlin, MariaSophiahemmet Högskola(Swepub:shh)mariaku (author)
  • Sophiahemmet Högskola (creator_code:org_t)

Related titles

  • In:International Forum of Allergy & Rhinology13:11, s. 2043-20542042-6984

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By the author/editor
Nordström, Axel
Jangard, Mattias
Svedberg, Marie
Ryott, Michael
Kumlin, Maria
About the subject
MEDICAL AND HEALTH SCIENCES
MEDICAL AND HEAL ...
and Clinical Medicin ...
and Otorhinolaryngol ...
Articles in the publication
International Fo ...
By the university
Sophiahemmet University College

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