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Clinical implication of chronic paranasal sinusitis for the classification of microscopic polyangiitis

Authors
 Hyeok Chan Kwon  ;  Sung Soo Ahn  ;  Seung Min Jung  ;  Jason Jungsik Song  ;  Yong‐Beom Park  ;  Sang‐Won Lee 
Citation
 INTERNATIONAL JOURNAL OF CLINICAL PRACTICE, Vol.74(1) : e13431, 2020 
Journal Title
 INTERNATIONAL JOURNAL OF CLINICAL PRACTICE 
ISSN
 1368-5031 
Issue Date
2020
Abstract
BACKGROUND: Chronic paranasal sinusitis (CPS) has been known as a surrogate marker for granulomatosis with polyangiitis (GPA). We investigated whether CPS at diagnosis may have an influence on the classification and outcomes of microscopic polyangiitis (MPA). METHODS: We retrospectively reviewed the medical records of 106 immunosuppressive drug-naïve patients with MPA. We compared variables at diagnosis of MPA patients with CPS with either MPA patients without CPS or 29 GPA patients with CPS. We applied the algorithm for antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) proposed by the European Medicine Agency to 22 MPA patients with CPS and reclassify them. Death, relapse and end-stage renal disease were assessed as the poor outcomes. RESULTS: Except for ENT manifestations, only pulmonary manifestation was more frequently observed in MPA patients with CPS than those without (77.3% vs 47.6%). No proteinase 3-ANCA was detected in all MPA patients with CPS. Meanwhile, general (63.6% vs 27.6%) and renal manifestations (81.8% vs 44.8%) more often developed in MPA patients with CPS than GPA patients with CPS. Of 22 MPA patients with CPS, 21 patients underwent biopsies. When CPS was not considered as a surrogate marker for GPA, all patients with CPS were reclassified as MPA. Ground glass opacity and reticulation on high-resolution computed tomography and renal vasculitis were helpful clues supporting the classification of MPA in patients with CPS. CPS at diagnosis was not associated with the outcomes of MPA.
Full Text
https://onlinelibrary.wiley.com/doi/full/10.1111/ijcp.13431
DOI
10.1111/ijcp.13431
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Park, Yong Beom(박용범)
Song, Jason Jungsik(송정식) ORCID logo https://orcid.org/0000-0003-0662-7704
Ahn, Sung Soo(안성수) ORCID logo https://orcid.org/0000-0002-9002-9880
Lee, Sang Won(이상원) ORCID logo https://orcid.org/0000-0002-8038-3341
Jung, Seung Min (정승민) ORCID logo https://orcid.org/0000-0003-3465-2181
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/175256
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