Document Detail


Three successful pregnancies through dietary management of fructose-1,6-bisphosphatase deficiency.
MedLine Citation:
PMID:  17705024     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Fructose-1,6-bisphosphatase (FBPase) deficiency (OMIM 229700) has been characterized as the cause of life-threatening hypoglycaemia and lactic acidaemia following prolonged fasting. The patient, an adult African-American woman, presented during the second trimester of her first pregnancy with recurrent episodes of lactic acidaemia and hypoglycaemia. She had recently been admitted to a nearby intensive care unit after presentation with profound hypoglycaemia and lactic acidosis, and was found to be pregnant. The history was remarkable for approximately 30 hospitalizations for hypoglycaemia and acidosis. She had previously undergone liver biopsy at another centre and was diagnosed with a 'glycogen storage disease', although no enzyme testing had been done for confirmation. Based on clinical symptoms, a diagnosis of FBPase deficiency was accomplished through gene sequencing, which revealed homozygosity for a panethnic, common mutation, 960/961insG in exon 7. The availability of mutation testing facilitated the confirmation of FBPase deficiency in this patient, obviating liver biopsy for enzyme activity confirmation. The patient underwent three successful pregnancies by strict compliance with dietary management, including nocturnal uncooked cornstarch to manage hypoglycaemia. The pregnancies were complicated by mild gestational diabetes, increased cornstarch requirements, and hypoglycaemia at the time of discharge from the hospital. The three infants had normal birth weights and experienced no complications during the neonatal period. The patient subsequently developed sensorineural hearing loss and early-onset cognitive impairment, despite compliance with the monitoring and treatment of hypoglycaemia. The experience with multiple pregnancies in this FBPase-deficient patient provides insight into the management of hypoglycaemia in inherited disorders of gluconeogenesis.
Authors:
V Krishnamurthy; K Eschrich; A Boney; J Sullivan; M McDonald; P S Kishnani; D D Koeberl
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Publication Detail:
Type:  Case Reports; Journal Article     Date:  2007-08-20
Journal Detail:
Title:  Journal of inherited metabolic disease     Volume:  30     ISSN:  1573-2665     ISO Abbreviation:  J. Inherit. Metab. Dis.     Publication Date:  2007 Oct 
Date Detail:
Created Date:  2007-10-10     Completed Date:  2007-10-25     Revised Date:  2009-11-19    
Medline Journal Info:
Nlm Unique ID:  7910918     Medline TA:  J Inherit Metab Dis     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  819     Citation Subset:  IM    
Affiliation:
Division of Medical Genetics, Department of Pediatrics, Duke University Medical Center, Durham, NC 27710, USA.
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MeSH Terms
Descriptor/Qualifier:
Adult
Exons
Female
Fructose-1,6-Diphosphatase Deficiency / diagnosis,  diet therapy*,  enzymology
Fructose-Bisphosphatase / genetics
Genetic Testing
Gravidity
Humans
Live Birth
Mutation
Pregnancy
Pregnancy Complications / diagnosis,  diet therapy*,  enzymology
Chemical
Reg. No./Substance:
EC 3.1.3.11/Fructose-Bisphosphatase

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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