Seronegative Maternal Ocular Myasthenia Gravis and Delayed Transient Neonatal Myasthenia Gravis

Abstract Background Myasthenia gravis (MG) is an autoimmune disorder with fluctuating muscle weakness, divided into generalized and localized (ocular) forms. Maternal antibodies to acetylcholine receptors cross the placenta and may cause transient neonatal myasthenia gravis (TNMG). We p...

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Main Authors: Courtney Townsel, Rebecca Keller, Kendall Johnson, Naveed Hussain, Winston A. Campbell
Format: Article
Language:English
Published: Thieme Medical Publishers, Inc. 2016-03-01
Series:American Journal of Perinatology Reports
Subjects:
Online Access:http://www.thieme-connect.de/DOI/DOI?10.1055/s-0036-1579624
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author Courtney Townsel
Rebecca Keller
Kendall Johnson
Naveed Hussain
Winston A. Campbell
author_facet Courtney Townsel
Rebecca Keller
Kendall Johnson
Naveed Hussain
Winston A. Campbell
author_sort Courtney Townsel
collection DOAJ
description Abstract Background Myasthenia gravis (MG) is an autoimmune disorder with fluctuating muscle weakness, divided into generalized and localized (ocular) forms. Maternal antibodies to acetylcholine receptors cross the placenta and may cause transient neonatal myasthenia gravis (TNMG). We present a case of seronegative maternal ocular MG and delayed TNMG. Case A 29-year-old G3P1011 underwent cesarean birth of a male infant who developed oxygen desaturation requiring supplemental oxygen on day of life (DOL) 3. Based on the clinical course and after exclusion of other diagnoses, the infant was diagnosed with TNMG. Infant's condition improved spontaneously and he was weaned off supplemental oxygen and discharged home on DOL 12. Conclusion Infants born to mothers with seronegative localized (ocular) MG are also susceptible to TNMG which may be late in onset.
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spelling doaj.art-b15ce0e61c7c48e8b778c8b8010d779a2022-12-21T19:55:39ZengThieme Medical Publishers, Inc.American Journal of Perinatology Reports2157-69982157-70052016-03-010601e133e13610.1055/s-0036-1579624Seronegative Maternal Ocular Myasthenia Gravis and Delayed Transient Neonatal Myasthenia GravisCourtney Townsel0Rebecca Keller1Kendall Johnson2Naveed Hussain3Winston A. Campbell4Division of Maternal Fetal Medicine, University of Connecticut School of Medicine, Farmington, ConnecticutDivision of Maternal Fetal Medicine, University of Connecticut School of Medicine, Farmington, ConnecticutDivision of Neonatology, Connecticut Children's Medical Center, Farmington, ConnecticutDivision of Neonatology, Connecticut Children's Medical Center, Farmington, ConnecticutDivision of Maternal Fetal Medicine, University of Connecticut School of Medicine, Farmington, ConnecticutAbstract Background Myasthenia gravis (MG) is an autoimmune disorder with fluctuating muscle weakness, divided into generalized and localized (ocular) forms. Maternal antibodies to acetylcholine receptors cross the placenta and may cause transient neonatal myasthenia gravis (TNMG). We present a case of seronegative maternal ocular MG and delayed TNMG. Case A 29-year-old G3P1011 underwent cesarean birth of a male infant who developed oxygen desaturation requiring supplemental oxygen on day of life (DOL) 3. Based on the clinical course and after exclusion of other diagnoses, the infant was diagnosed with TNMG. Infant's condition improved spontaneously and he was weaned off supplemental oxygen and discharged home on DOL 12. Conclusion Infants born to mothers with seronegative localized (ocular) MG are also susceptible to TNMG which may be late in onset.http://www.thieme-connect.de/DOI/DOI?10.1055/s-0036-1579624ocular myasthenia gravispregnancytransient neonatal myasthenia gravis
spellingShingle Courtney Townsel
Rebecca Keller
Kendall Johnson
Naveed Hussain
Winston A. Campbell
Seronegative Maternal Ocular Myasthenia Gravis and Delayed Transient Neonatal Myasthenia Gravis
American Journal of Perinatology Reports
ocular myasthenia gravis
pregnancy
transient neonatal myasthenia gravis
title Seronegative Maternal Ocular Myasthenia Gravis and Delayed Transient Neonatal Myasthenia Gravis
title_full Seronegative Maternal Ocular Myasthenia Gravis and Delayed Transient Neonatal Myasthenia Gravis
title_fullStr Seronegative Maternal Ocular Myasthenia Gravis and Delayed Transient Neonatal Myasthenia Gravis
title_full_unstemmed Seronegative Maternal Ocular Myasthenia Gravis and Delayed Transient Neonatal Myasthenia Gravis
title_short Seronegative Maternal Ocular Myasthenia Gravis and Delayed Transient Neonatal Myasthenia Gravis
title_sort seronegative maternal ocular myasthenia gravis and delayed transient neonatal myasthenia gravis
topic ocular myasthenia gravis
pregnancy
transient neonatal myasthenia gravis
url http://www.thieme-connect.de/DOI/DOI?10.1055/s-0036-1579624
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AT rebeccakeller seronegativematernalocularmyastheniagravisanddelayedtransientneonatalmyastheniagravis
AT kendalljohnson seronegativematernalocularmyastheniagravisanddelayedtransientneonatalmyastheniagravis
AT naveedhussain seronegativematernalocularmyastheniagravisanddelayedtransientneonatalmyastheniagravis
AT winstonacampbell seronegativematernalocularmyastheniagravisanddelayedtransientneonatalmyastheniagravis