Sjögren's syndrome-associated interstitial lung disease: A multicenter study

Delia Reina, Daniel Roig Vilaseca, Vicenç Torrente-Segarra, Dacia Cerdà, Ivan Castellví, Cèsar Díaz Torné, Mireia Moreno, Javier Narváez, Vera Ortiz, Rosana Blavia, Montserrat Martín-Baranera, Hèctor Corominas
Reumatología Clinica 2016, 12 (4): 201-5

UNLABELLED: Primary Sjögren syndrome (PSS) is a chronic inflammatory autoimmune disease. Interstitial lung disease (ILD) can be an extraglandular complication.

OBJECTIVE: To evaluate the clinical characteristics of patients diagnosed with PSS with ILD.

METHODS: Multicentre cohort study with 25 patients diagnosed with PSS and ILD. Data of PSS, prognostic factors, pulmonary involvement variables, complementary tests that suggest a worse diagnosis and treatment given were collected. EULAR index was measured for Sjögren's syndrome.

RESULTS: We identified 25 patients. In 15/25 the diagnosis of ILD was done before the diagnosis of PSS. The histopathological patterns found were: 12 NSIP, 5 UIP, 4 OP, 2 LIP. PFRs showed restrictive pattern. The majority of the patients received glucocorticoid therapy, antimalarial or immunosuppressive treatment.

CONCLUSIONS: Patients affected with PSS must be screened to catch a precocious diagnosis of ILD. The majority of the patients were diagnosed of ILD before being diagnosed of PSS. Multicenter cohorts are increasingly demanded and a multidisciplinary management is needed.

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