• Medicine · Jun 2024

    Observational Study

    Clinical profiles and treatment outcomes of outpatients with interstitial lung disease and mechanic's hands: A retrospective and observational cohort.

    • Gustavo Frazatto Medeiros de Miranda, Maria Raquel Soares, SouzaAlexandre Wagner Silva deAWSDepartment of Medicine, Discipline of Rheumatology, Federal University of Sao Paulo, Sao Paulo, Brazil., Luis Eduardo Coelho Andrade, and PereiraCarlos Alberto de CastroCACDepartment of Medicine, Discipline of Pulmonology, Federal University of Sao Paulo, Sao Paulo, Brazil..
    • Department of Medicine, Discipline of Pulmonology, Federal University of Sao Paulo, Sao Paulo, Brazil.
    • Medicine (Baltimore). 2024 Jun 28; 103 (26): e38642e38642.

    AbstractIdiopathic inflammatory myopathies, especially antisynthetase syndrome, often appear outside of the muscles as interstitial lung disease (ILD). Another typical finding is the presence of mechanic's hands. The aim of the present study was to describe the clinical, functional, tomographic, and serological data of patients with ILD and mechanic's hands and their response to treatment and survival rates. This is a retrospective study of ILD with concurrent myopathy. Among the 119 patients initially selected, 51 had mechanic's hands. All the patients were screened for anti-Jo-1 antibodies. An expanded panel of myopathy autoantibodies was also performed in 27 individuals. Of the 51 patients, 35 had 1 or more antibodies. The most common were anti-Jo-1, anti-PL-7, and anti-PL-12, while of the associated antibodies, anti-Ro52 was present in 70% of the 27 tested individuals. A significant response to treatment was characterized by an increase in predicted forced vital capacity (FVC) of at least 5% in the last evaluation done after 6 to 24 months of treatment. A decrease in predicted FVC of at least 5%, the need for oxygen therapy, or death were all considered treatment failures. All patients were treated with corticosteroids, and 71% with mycophenolate. After 24 months, 18 patients had an increase in FVC, 11 had a decrease, and 22 remained stable. After a median follow-up of 58 months, 48 patients remained alive and three died. Patients with honeycombing on high-resolution chest tomography (log-rank = 34.65; P < .001) and a decrease in FVC ≥5% (log-rank = 18.28, P < .001) had a poorer survival rate. Patients with ILD and mechanic's hands respond well to immunosuppressive treatment.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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