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Congenital Cardiac Defects: A Possible Association of Aminopterin Syndrome and In Utero Methotrexate Exposure?
MedLine Citation:
PMID:  21327892     Owner:  NLM     Status:  Publisher    
Folate antagonist are chemotherapeutic agents used in many neoplastic, autoimmune, and inflammatory disorders. The first suggestions that folic acid antagonists were teratogenic in humans were based on reports of failed terminations in mothers given aminopterin in the first trimester. Newborns who survived after aminopterin exposure were noted for years to have defects of the neural tube, skull, or limbs. There is now a well-defined syndrome of congenital anomalies associated with the use of aminopterin. The aminopterin syndrome consists of cranial dystosis, hypertelorism, anomalies of the external ears, micrognathia, limb anomalies, and cleft palate. The use of aminopterin has now fallen out of favor. Methotrexate is a folate antagonist that is now used more frequently. A similar pattern of malformations has been found in fetuses exposed to methotrexate. If used during pregnancy, it can cause congenital malformations or fetal death. A consistent association between methotrexate exposure and cardiac, renal, or gastrointestinal malformations has not been reported. We report two patients who presented with classic features of aminopterin syndrome combined with significant congenital cardiac malformations after first-trimester in utero methotrexate exposure. Both of these patients survived to undergo corrective cardiac surgery.
Kurt D Piggott; Andrea Sorbello; Elise Riddle; William Decampli
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-2-17
Journal Detail:
Title:  Pediatric cardiology     Volume:  -     ISSN:  1432-1971     ISO Abbreviation:  -     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-2-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8003849     Medline TA:  Pediatr Cardiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Congenital Heart Institute, Arnold Palmer Hospital for Children, 50 W. Sturtevant St., Orlando, FL, 32806, USA,
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