Prevalence of primary Sjögren's syndrome in patients undergoing evaluation for pulmonary arterial hypertension

PloS One
Tatsuyuki SatoIssei Komuro

Abstract

The prevalence of pulmonary arterial hypertension (PAH) in primary Sjögren's syndrome (SS) had been reported to be rare. However, recent studies using echocardiography as a screening method showed conflicting results, and the true prevalence is still unclear. Since diagnosing primary SS is difficult because of its heterogeneous nature, a number of patients with primary-SS-associated PAH may be misdiagnosed with idiopathic PAH, losing their chance to undergo immunosuppressive therapy. Therefore, we sought to elucidate the prevalence of primary SS among patients who initially present with PAH. From our prospective institutional PAH database, 40 consecutive patients without any obvious cause of PAH at the time of PAH diagnosis were identified. We retrospectively evaluated the prevalence of primary SS diagnosed during or after the initial assessment of PAH. During the initial assessment, one patient was diagnosed with primary-SS-associated PAH. Among the 25 patients who were initially diagnosed with idiopathic PAH, five were diagnosed with primary SS during their course of the disease. Of the five patients, three had key signs suggesting primary SS and were probably underdiagnosed at the time of initial evaluation. The remaining tw...Continue Reading

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Citations

Jan 8, 2020·Lupus Science & Medicine·Marisa MizusMichelle A Petri
Jan 30, 2020·Current Vascular Pharmacology·Konstantinos MelissaropoulosDimitrios Daoussis

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Methods Mentioned

BETA
biopsy
enzyme-linked immunosorbent assay
ELISA

Software Mentioned

JMP

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