Effect on the Prevalence of Various Diffuse Parenchymal Lung Diseases due to Paradigm Change in the Guidelines

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dc.contributor.authorTousheed, SZen_US
dc.contributor.authorMuraliMohan, Ben_US
dc.contributor.authorManjunath, Pen_US
dc.contributor.authorRavichandra, Men_US
dc.contributor.authorRanganatha, Ren_US
dc.contributor.authorAnnapandian, Ven_US
dc.contributor.authorKumar, Hen_US
dc.contributor.authorHibare, Ken_US
dc.contributor.authorSagar, Cen_US
dc.contributor.authorGupta, Ten_US
dc.contributor.authorRaj, Ven_US
dc.contributor.authorDutt, Ten_US
dc.contributor.authorKhan, B.en_US
dc.date.accessioned2023-08-09T06:06:28Z
dc.date.available2023-08-09T06:06:28Z
dc.date.issued2022-12
dc.description.abstractBackground: Diffuse parenchymal lung diseases (DPLDs) have gone through various changes in nomenclature and classification since they were first described in 1868. Increasing knowledge about their etiopathogenesis has since led to several reclassifications and changes in the nomenclature. This has had a major impact on the prevalence of each interstitial lung disease (ILD) reported by the different registries worldwide. In this study, we attempted to describe the distribution of the different DPLDs in our population and reported changes in prevalence due to changing diagnostic criteria for the disease. Materials and methods: We analyzed retrospective data of 434 patients. For the initial 75 patients, ATS/ERS guidelines published in 2002 were followed in the diagnosis of the ILD (group I). In the later part of the study (359 patients), the diagnosis was based on the computed tomography (CT) patterns defined by ATS/ERS/JPS/ALAT statement on diagnosis of idiopathic pulmonary fibrosis (IPF) and updated 2013 ATS/ERS guidelines (group II). Results: Of the 75 patients in group I, IPF was the most common diagnosis (52%) made at that time, followed by sarcoidosis and connective tissue-related ILD (CTD-ILD) with 12% each. Group II had 359 patients, with IPF again being the most commonly diagnosed ILD with 21.3%. This was followed by CTD-ILD (18.6%), sarcoid (14.7%), and idiopathic nonspecific interstitial pneumonitis (iNSIP; 13.3%). The changing guidelines have an impact on reporting of different DPLD by our multidisciplinary teamover a period of time. Though IPF was the most commonest DPLD reported among both the groups, the diagnosis of IPF had fallen by more than half in the second group. It was paralleled by an increase in the diagnosis of iNSIP and chronic hypersensitivity pneumonitis. These reported changes in the prevalence of DPLDs may reflect the better-defined criteria in the latest guidelines and a better understanding of the fibrotic ILDs other than IPF by the multidisciplinary team. Conclusions: The frequency of diagnosis of the different DPLDs has changed, following the publication of several guidelines in the last decade. It has recognized newer entities with greater clarity, such as idiopathic NSIP and interstitial pneumonia with autoimmune features.en_US
dc.identifier.affiliationsDepartment of Pulmonology and Internal Medicine, Mazumdar Shaw Medical Center, Narayana Health City, Bengaluru, Karnataka, Indiaen_US
dc.identifier.affiliationsDepartment of Pharmacology, Narayana Hrudayalaya Foundations, Bengaluru, Karnataka, Indiaen_US
dc.identifier.affiliationsDepartment of Radiology and Imaging Services, Narayana Health City, Bengaluru, Karnataka, Indiaen_US
dc.identifier.citationTousheed SZ, MuraliMohan B, Manjunath P, Ravichandra M, Ranganatha R, Annapandian V, Kumar H, Hibare K, Sagar C, Gupta T, Raj V, Dutt T, Khan B.. Effect on the Prevalence of Various Diffuse Parenchymal Lung Diseases due to Paradigm Change in the Guidelines. Indian Journal of Chest Diseases & Allied Sciences. 2022 Dec; 64(4): 243-246en_US
dc.identifier.issn0377-9343
dc.identifier.placeIndiaen_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/221833
dc.languageenen_US
dc.publisherJaypee Brothers Medical Publishers Pvt. Ltden_US
dc.relation.issuenumber4en_US
dc.relation.volume64en_US
dc.source.urihttps://doi.org/10.5005/jp-journals-11007-0030en_US
dc.subjectDiffuse parenchymal lung diseasesen_US
dc.subjectInterstitial lung diseaseen_US
dc.subjectIdiopathic pulmonary fibrosisen_US
dc.subjectInterstitial pneumonitisen_US
dc.subjectMultidisciplinary teamen_US
dc.titleEffect on the Prevalence of Various Diffuse Parenchymal Lung Diseases due to Paradigm Change in the Guidelinesen_US
dc.typeJournal Articleen_US
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