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Underdetection of Interstitial Lung Disease in Juvenile Systemic Sclerosis

Foeldvari, I; Klotsche, J; Hinrichs, B; Helmus, N; Kasapcopur, O; Adrovic, A; Sztajnbok, F; ... Torok, KS; + view all (2020) Underdetection of Interstitial Lung Disease in Juvenile Systemic Sclerosis. Arthritis Care & Research , 74 (3) pp. 364-370. 10.1002/acr.24499. Green open access

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Abstract

OBJECTIVES: Utilizing data obtained from a prospective international juvenile systemic sclerosis cohort (jSScC) to determine if pulmonary screening with forced vital capacity (FVC) and diffusing capacity of the lungs for carbon monoxide (DLCO) is sufficient to assess the presence of interstitial lung disease (ILD) in comparison to high resolution computed tomography (HRCT) in jSSc. METHODS: The jSScC cohort database was queried for patients enrolled from January 2008 to January 2020 with recorded pulmonary function tests (PFT) parameters and HRCT to determine the discriminatory properties of PFTs parameters, FVC and DLCO, in detecting ILD. RESULTS: Eighty-six jSSc patients had both CT imaging and FVC values for direct comparison. Using findings on HRCT as the standard measure of ILD presence, the sensitivity of FVC in detecting ILD in jSSc was only 40%, the specificity was 77%, and AUC was 0.58. Fifty-eight jSSc patients had both CT imaging and DLCO values for comparison. The sensitivity of DLCO in detecting ILD was 76%, the specificity was 70%, and AUC was 0.73. CONCLUSION: The performance of PFTs in jSSc to detect underlying ILD was quite limited. Specifically, the FVC, which is one of the main clinical parameters in adult SSc to detect and monitor ILD, would miss approximately 60% of children that had ILD changes on their accompanying HRCT. The DLCO was more sensitive in detecting potential abnormalities in HRCT, but with less specificity than the FVC. These results support the use of HRCT in tandem with PFTs for the screening of ILD in jSSc.

Type: Article
Title: Underdetection of Interstitial Lung Disease in Juvenile Systemic Sclerosis
Location: United States
Open access status: An open access version is available from UCL Discovery
DOI: 10.1002/acr.24499
Publisher version: https://doi.org/10.1002/acr.24499
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > UCL GOS Institute of Child Health
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > UCL GOS Institute of Child Health > Infection, Immunity and Inflammation Dept
URI: https://discovery.ucl.ac.uk/id/eprint/10118226
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