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DOI: 10.1191/0961203303lu441cr © 2003 SAGE Publications Neonatal lupus: fetal myocarditis progressing to atrioventricular block in tripletsDepartment of Cardiology, Istituti Clinici di Perfezionamento, Milan, Italy
Department of Cardiology, Istituti Clinici di Perfezionamento, Milan, Italy
Department of Cardiology, Istituti Clinici di Perfezionamento, Milan, Italy
Department of Cardiology, Istituti Clinici di Perfezionamento, Milan, Italy
1st Obstetric-Gynecological Clinic, Istituti Clinici di Perfezionamento, Milan, Italy
1st Obstetric-Gynecological Clinic, Istituti Clinici di Perfezionamento, Milan, Italy
Department Neonatology, Istituti Clinici di Perfezionamento, Milan, Italy
Department of Pediatrics, Istituti Clinici di Perfezionamento, Milan Italy
Allergy and Clinical Immunology Unit, Department of Internal Medicine, University of Milan, IRCCS Istituto Auxologico Italiano, Milan, Italy, pierluigi.meroni{at}unimi.it We report a case of neonatal lupus syndrome (NLS) in an in vitro fertilization induced triplet pregnancy. Echocardiographicsigns of myocarditiswere evident at the 21st week of gestation(w.g.) in twin I, with a subsequentdevelopmentof a complete atrioventricular(AV) block at the 25th w.g.; twin III also displayed echocardiographic signs of myocarditis at the same time. Treatment with dexamethasone (4mg/day) was started at the 25th w.g. A complete echocardiographicregression of the myocarditis signs was achieved, while AV block was unaffected.Caesarian section was performed at the 31.5 w.g. after a premature rupture of the membranes. Complete AV block was confirmed in twin I with a heart rate of 51beats/min that required a pacemaker implant 40 days after. Twin III developed a first-degree AV block that switched to a periodic second-degreeblock later, while twin II displayed only liver enzyme abnormalities.
Key Words: anti-Ro antibodies congenital heart block fetal echocardiography neonatal lupus
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