{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,27]],"date-time":"2026-02-27T04:06:23Z","timestamp":1772165183316,"version":"3.50.1"},"reference-count":39,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2022,1,1]],"date-time":"2022-01-01T00:00:00Z","timestamp":1640995200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004731","name":"Natural Science Foundation of Zhejiang Province","doi-asserted-by":"publisher","award":["LBY22H180004"],"award-info":[{"award-number":["LBY22H180004"]}],"id":[{"id":"10.13039\/501100004731","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100007834","name":"Natural Science Foundation of Ningbo","doi-asserted-by":"publisher","award":["2019A610228"],"award-info":[{"award-number":["2019A610228"]}],"id":[{"id":"10.13039\/100007834","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Ther Adv Respir Dis"],"published-print":{"date-parts":[[2022,1]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>The association between interstitial lung disease (ILD) and antineutrophil cytoplasmic antibody (ANCA)\u2013associated vasculitis (AAV) has been increasingly recognized in recent years. The clinical features and prognostic differences between AAV-associated ILD and isolated ANCA-positive idiopathic interstitial pneumonias (IIPs) remain unclear. The purpose of this study was to determine the clinical significance and prognosis of ANCA-positive ILD to further guide clinical management.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>This study retrospectively reviewed the data of 379 ILD patients with available ANCA results and ultimately analysed 49 ANCA-positive patients. AAV diagnosis was based on the 2012 revised Chapel Hill Consensus Conference (CHCC) criteria, and 33 of 49 patients were diagnosed with microscopic polyangiitis (MPA). The baseline clinical information and laboratory parameters were collected and analysed at each patient\u2019s initial diagnosis.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>Among 49 ANCA-positive ILD patients, the high-resolution computed tomography (HRCT) pattern was mainly usual interstitial pneumonia (UIP) (59.18%), followed by nonspecific interstitial pneumonia (NSIP) (26.53%). The C-reactive protein (CRP) level (43.89\u00b1\u200940.61 versus 18.74\u00b1\u200920.05, p\u2009=\u20090.028) and erythrocyte sedimentation rate (ESR) (71.97\u00b1\u200942.73 versus 40.69\u00b1\u200928.46, p\u2009=\u20090.011) were significantly higher in the MPA-ILD group than in the ANCA-IIP group. Haemoglobin (113.09 \u00b1\u200924.47 versus 132.19\u00b1\u200913.34, p\u2009=\u20090.006) and albumin (32.95\u00b1\u20095.84 versus 36.52\u00b1\u20093.94, p\u2009=\u20090.032) levels were significantly lower. Survival was shorter among MPA-ILD patients than among ANCA-IIP patients [hazard ratio (HR)\u20093.38, 95% confidence interval (CI)\u20091.32\u20138.67, p\u2009=\u20090.040]. In the multivariable Cox analysis, a diagnosis of MPA (HR\u20093.91, 95% CI\u20091.07\u201314.08, p\u2009=\u20090.038) and acute exacerbation (AE) of ILD (HR\u20099.43, 95% CI\u20092.89\u201330.30, p\u2009&lt;\u20090.001) were significantly independently associated with shorter survival in ANCA-positive ILD patients, and the NSIP pattern (HR\u20090.07, 95% CI\u20090.01\u20130.41, p\u2009=\u20090.003) was independently associated with prolonged survival.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>ANCA-ILD patients mostly have myeloperoxidase (MPO)-ANCA positivity and an MPA diagnosis. Survival was shorter among MPA-ILD patients than among ANCA-IIP patients. Respiratory failure and AE were associated with poorer prognosis. Early antifibrotic treatment may be a reasonable treatment option in fibrotic ILD patients with ANCA positivity.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/17534666221140974","type":"journal-article","created":{"date-parts":[[2022,12,9]],"date-time":"2022-12-09T06:08:31Z","timestamp":1670566111000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":14,"title":["Clinical significance of acute exacerbation in interstitial lung disease with antineutrophil cytoplasmic antibody: an indicator of poor prognosis"],"prefix":"10.1177","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3707-2425","authenticated-orcid":false,"given":"Tingting","family":"Wu","sequence":"first","affiliation":[{"name":"Department of Respiratory, The Affiliated Hospital of Medical School of Ningbo University, Ningbo, 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Medical School of Ningbo University, Ningbo, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chengna","family":"Lv","sequence":"additional","affiliation":[{"name":"Department of Respiratory, The Affiliated Hospital of Medical School of Ningbo University, Ningbo, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6181-4548","authenticated-orcid":false,"given":"Qunli","family":"Ding","sequence":"additional","affiliation":[{"name":"Department of Respiratory, The Affiliated Hospital of Medical School of Ningbo University, Jiangbei District, Ningbo City People\u2019s Road No. 247, Ningbo, Zhejiang 315020, 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