Abstract
Hypersensitivity pneumonitis (HP) or extrinsic allergic alveolitis (EAA) is a diffuse parenchymal lung disease due to an inflammation of air spaces and airways secondary to an exposure to organic dust, bioaerosols, microorganisms (fungi, bacteria, protozoa) or certain reactive chemical species. Previous studies done in Sri Lanka recognized that it accounts for about one forth of ILD cases in total. Though the previous studied done in Sri Lanka looked into ILD patients in overall, no single study has looked into the hypersensitivity pneumonitis in details to identify its characteristics and impact on the community. This study was aimed at filling that gap.
Highlights
Background and objectiveHypersensitivity pneumonitis (HP) or extrinsic allergic alveolitis (EAA) is a diffuse parenchymal lung disease due to an inflammation of air spaces and airways secondary to an exposure to organic dust, bioaerosols, microorganisms or certain reactive chemical species
Though the previous studied done in Sri Lanka looked into Interstitial Lung Disease (ILD) patients in overall, no single study has looked into the hypersensitivity pneumonitis in details to identify its characteristics and impact on the community
To avoid selection bias consecutive patients presenting with clinical radiological and pathological, characteristics consistent with the diagnosis of hypersensitivity pneumonitis were recruited to the study after their diagnosis being reviewed by the ILD MDT, over a period of 12 months from 2019 to 2020
Summary
Background and objectiveHypersensitivity pneumonitis (HP) or extrinsic allergic alveolitis (EAA) is a diffuse parenchymal lung disease due to an inflammation of air spaces and airways secondary to an exposure to organic dust, bioaerosols, microorganisms (fungi, bacteria, protozoa) or certain reactive chemical species. Though the previous studied done in Sri Lanka looked into ILD patients in overall, no single study has looked into the hypersensitivity pneumonitis in details to identify its characteristics and impact on the community. Previous studies done in Sri Lanka recognized that it accounts for about one forth of ILD cases in total [10,11]. Though the previous studies done in Sri Lanka looked into ILD cases in overall, no single study has looked into hypersensitive pneumonitis in details in order to get an understanding of its characteristics and impact on the community.
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