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From the University of Texas Southwestern (B.M.G.), Department of Neurology, Department of Pediatrics, Dallas; Data Coordinating and Analysis Center (T.C.C., S.S.R., K.D.), University of Utah, Salt Lake City; Washington University (S.S.M.), St. Louis, MO; University of Alabama Birmingham (J.M.N.); The University of Texas Southwestern (P.P.), Department of Neurology, Dallas; Department of Radiology (S.L., M.G.), Washington University in St. Louis, MO; Jacobs Pediatric Multiple Sclerosis Center (B.W.-G.), State University of New York at Buffalo, NY; Mayo Clinic Pediatric Multiple Sclerosis Center (M.R., J.-M.T.), Mayo Clinic, Rochester, MN; Pediatric Multiple Sclerosis Center (G.S.A.), Loma Linda University Children's Hospital, CA; Lourie Center for Pediatric Multiple Sclerosis (A.B.), Stony Brook University Hospital, NY; Epidemiology (L.F.B.), University of California, Berkeley; Department of Neurology (J.W.R.), University of Utah, Salt Lake City; Pediatric Multiple Sclerosis and Related Disorders Program (M.P.G., L.A.B.), Boston Children's Hospital, MA; Primary Children's Hospital (M.C.), University of Utah, Salt Lake City; Partners Pediatric Multiple Sclerosis Center (T.C.), Massachusetts General Hospital, Boston; Center for Pediatric-Onset Demyelinating Disease (Y.C.H.), Children's Hospital of Alabama, University of Alabama, Birmingham; Children's National Medical Center (I.L.K.), Washington, DC; Pediatric Multiple Sclerosis Center (J.H.), University of California San Francisco; The Blue Bird Circle Clinic for Multiple Sclerosis (T.E.L.), Texas Children's Hospital, Baylor College of Medicine, Houston; Mellen Center for Multiple Sclerosis (M.R.), Cleveland Clinic, OH; Lurie Children's Hospital of Chicago (J.P.R.), IL; Rocky Mountain Multiple Sclerosis Center (T.L.S.), Children's Hospital Colorado, University of Colorado at Denver, Aurora; Children's Hospital of Philadelphia (A.T.W.), PA; Pediatric Multiple Sclerosis Center (L.K.), New York University; Pediatric Multiple Sclerosis Center (J.G.), University of California San Diego; and Pediatric Multiple Sclerosis Center (E.W.), University of California San Francisco.
Published: September 2021
AI Article Synopsis
Article Abstract
Background And Objective: The objective of this study was to determine whether family members of patients with pediatric multiple sclerosis (MS) have an increased prevalence of autoimmune conditions compared with controls.
Methods: Data collected during a pediatric MS case-control study of risk factors included information about various autoimmune diseases in family members. The frequency of these disorders was compared between cases and controls.
Results: There was an increased rate of autoimmune diseases among family members of pediatric MS cases compared with controls with first-degree history of MS excluded (OR = 2.27, 95% CI 1.71-3.01, < 0.001). There was an increased rate of MS among second-degree relatives of pediatric MS cases compared with controls (OR = 3.47, 95% CI 1.36-8.86, = 0.009). The OR for MS was 2.64 when restricted to maternal relatives and 6.37 when restricted to paternal relatives.
Discussion: The increased rates of autoimmune disorders, including thyroid disorders and MS among families of patients with pediatric MS, suggest shared genetic factors among families with children diagnosed with pediatric MS.
