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B12 deficiency is common in infants and is accompanied by serious neurological symptoms
Umeå University, Faculty of Medicine, Department of Clinical Sciences, Paediatrics. Östersund Hosp, Unit Res Educ & Dev, Östersund, Sweden.
2017 (English)In: Acta Paediatrica, ISSN 0803-5253, E-ISSN 1651-2227, Vol. 106, no 1, 101-104 p.Article in journal (Refereed) Published
Abstract [en]

Aim: Adverse neurological symptoms have been linked to vitamin B12 deficiency in infants. This explorative study described the clinical presentation associated with vitamin B12 deficiency in this age group. Methods: The study comprised infants who were born between 2004 and 2012 and were tested for vitamin B12 levels after they were admitted to a hospital with neurological symptoms at less than one year of age. Vitamin B12 deficiency was defined as low cobalamin in serum and/or increased homocysteine and/or increased methylmalonate. It was diagnosed according to the applicable International Classification of Diseases, 10th revision, and recorded as vitamin B12 deficiency in the medical records. All information was retrieved from medical records and compared to symptomatic infants with normal levels. Results: Of the 121 infants tested, 35 had vitamin B12 deficiency and 86 had normal levels. Vitamin B12 deficiency was diagnosed at an average age of 1.7 months and was more common among boys. Seizures and apparent life-threatening events were the most common symptoms among infants with B12 deficiency compared to infants with normal levels. Conclusion: Vitamin B12 deficiency was more common in infants than we expected and presented with severe symptoms, such as seizures and apparent life-threatening events.

Place, publisher, year, edition, pages
2017. Vol. 106, no 1, 101-104 p.
Keyword [en]
Apparent life-threatening event, Infant nutrition, Neurological symptoms, Seizures, Vitamin B12 deficiency
National Category
Pediatrics
Identifiers
URN: urn:nbn:se:umu:diva-130447DOI: 10.1111/apa.13625ISI: 000390597700021PubMedID: 27736023OAI: oai:DiVA.org:umu-130447DiVA: diva2:1070857
Available from: 2017-02-02 Created: 2017-01-20 Last updated: 2017-02-02Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf