Published in:
01-06-2018 | INTERSTITIAL LUNG DISEASE
Prevalence of Myositis-Specific Antibodies in Idiopathic Interstitial Pneumonias
Authors:
Laurens J. De Sadeleer, Ellen De Langhe, Nicolas Bodart, Alain Vigneron, Xavier Bossuyt, Wim A. Wuyts
Published in:
Lung
|
Issue 3/2018
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Abstract
Although included in the serological domain of the ‘interstitial pneumonia with auto-immune features’ (IPAF) research statement, the search for myositis-specific antibodies (MSA) is not incorporated in routine clinical practice. The objective of the study was to evaluate MSA prevalence in an idiopathic interstitial pneumonia (IIP) cohort (n = 68) with suggestive morphological interstitial lung disease patterns. Twelve of 68 patients (17.6%) carried MSA, whereof only two were anti-nuclear antibody-positive. Besides female gender, no demographic or pulmonary function parameter was predictive for MSA positivity. MSA were present in 32.4% of IPAF patients (n = 37), being essential for IPAF diagnosis in four of them (10.8%).