Key clinical point: Inflammatory pulmonary events occurring at age 11-15 years may be a risk factor for subsequent multiple sclerosis.
Major finding: Swedes who experienced pneumonia at age 11-15 years had an adjusted 2.8-fold increased risk of MS later in life.
Study details: This Swedish national registry cohort study included 6,109 MS patients and 49,479 controls matched for age, gender, and locale.
Disclosures: The presenter reported receiving research funding from F. Hoffmann–La Roche, Novartis, and AstraZeneca and serving on an advisory board for IQVIA.
Montgomery S. ECTRIMS 2019, Abstract 270.