Comorbidity and long-term outcome in patients with congenital heart block and their siblings exposed to Ro/SSA autoantibodies in utero

Annals of the Rheumatic Diseases
Johannes MoforsMarie Wahren-Herlenius

Abstract

Congenital heart block (CHB) may develop in fetuses of Ro/SSA autoantibody-positive women. Given the rarity of CHB, information on comorbidity and complications later in life is difficult to systematically collect for large groups of patients. We therefore used nation-wide healthcare registers to investigate comorbidity and outcomes in patients with CHB and their siblings. Data from patients with CHB (n= 119) and their siblings (n= 128), all born to anti-Ro/SSA-positive mothers, and from matched healthy controls (n= 1,190) and their siblings (n= 1,071), were retrieved from the Swedish National Patient Register. Analyses were performed by Cox proportional hazard modelling. Individuals with CHB had a significantly increased risk of cardiovascular comorbidity, with cardiomyopathy and/or heart failure observed in 20 (16.8%) patients versus 3 (0.3%) controls, yielding a HR of 70.0 (95% CI 20.8 to 235.4), and with a HR for cerebral infarction of 39.9 (95% CI 4.5 to 357.3). Patients with CHB also had a higher risk of infections. Pacemaker treatment was associated with a decreased risk of cerebral infarction but increased risks of cardiomyopathy/heart failure and infection. The risk of systemic connective tissue disorder was also incre...Continue Reading

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Citations

Nov 2, 2019·Annals of the Rheumatic Diseases·Amit SaxenaJill P Buyon
Apr 2, 2020·Cardiovascular Research·Stefan Engelhardt, Felix B Engel
Jan 30, 2020·Current Vascular Pharmacology·Konstantinos MelissaropoulosDimitrios Daoussis
Oct 15, 2020·Annals of the Rheumatic Diseases·Antonis FanouriakisDimitrios T Boumpas
Jan 13, 2022·Journal of Cardiovascular Electrophysiology·Saurabh DeshpandeDeepak Padmanabhan

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