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Neonatal Lupus Erythematosus: Clinical Character, Investigation, and Outcome

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Neonatal lupus erythematosus is an uncommon maternal auto-antibody-associated disease characterized by cutaneous, cardiac, hepatic, hematological, neurological, and pulmonary involvement. A retrospective study was performed to review clinical manifestations, investigation results, outcomes of neonatal lupus erythematosus patients and their mothers at the Department of Pediatrics, Siriraj Hospital during 1993 to 2008. Seventeen neonatal lupus erythematosus patients (10 girls and seven boys) were identified. Cutaneous, cardiac, hepatobiliary, and hematological involvement was found in 70.6%, 64.7%, 52.9%, and 35.3% of infants, respectively. Skin lesions were erythematous patches (91.7%), subacute cutaneous lupus erythematosus (50%), petechiae (41.7%), persistent cutis marmorata (16.7%), and discoid lesions (8.3%). Congenital heart block was found in nine cases, and structural abnormalities were found in nine cases. All sera of patients were positive for antinuclear antibodies. Patients (87.5%) showed positive antiRo/SSA, and 50% had positive antiLa/SSB antibodies. Most neonatal lupus erythematosus mothers (64.7%) were asymptomatic. Five mothers were diagnosed with systemic lupus erythematosus, and one mother was diagnosed with mixed connective tissue disease. All maternal sera was positive for antinuclear antibodies and antiRo/SSA antibody. Seven patients required pacemaker implantation. The mortality rate was 11.8%, caused by congestive heart failure and pneumonia. Antinuclear antibody tests should be used as one of the screening tests in mothers or patients suspected of having neonatal lupus erythematosus.
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Document Type: Research Article

Publication date: March 1, 2011

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