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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-8998

Poretti, A; Anheier, T; Zimmermann, R; Boltshauser, E; Swiss Pediatric Surveillance Unit, (SPSU) (2008). Neural tube defects in Switzerland from 2001 to 2007: are periconceptual folic acid recommendations being followed? Swiss Medical Weekly, 138(41-42):608-613.

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Abstract

BACKGROUND: Neural tube defects (NTDs) are common congenital anomalies. Their aetiology is complex, with both genetic and environmental factors implicated. The present study was performed to analyse the birth prevalence of NTD in Switzerland from 2001 to 2007 and to identify possible risk factors. METHODS: Diagnosed cases of NTD in all paediatric units in Switzerland and four prenatal centres were reported to the Swiss Paediatric Surveillance Unit from January 2001 to December 2007. Patient, mother, and NTD characteristics were assessed prospectively with a questionnaire. RESULTS: Data of 140 newborns and foetuses with NTD were studied. The major group suffered from myelomeningocele (70%), followed by anencephaly (16%) and encephalocele (14%). The prevalence of NTD in live born children between 2001 and 2007 was 0.13 per thousand, corresponding to 9-10 affected newborns each year. About the same number of pregnancies was terminated annually. Correct periconceptual folic acid supplementation was taken by 5% of the women. Remarkably, 39% of the women with an affected pregnancy were not Swiss citizens - almost twice the proportion of foreigners living in Switzerland. CONCLUSIONS: NTDs remain a frequent problem in Switzerland. Although correct periconceptual folic acid supplementation is effective in reducing the prevalence of NTD, women still do not follow these recommendations. Possible reasons are lack of awareness and communication problems. Consequently, only a public health policy that includes folic acid fortification of food is likely to result in significant prevention of NTD.

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Obstetrics
04 Faculty of Medicine > University Children's Hospital Zurich > Medical Clinic
DDC:610 Medicine & health
Language:English
Date:18 October 2008
Deposited On:12 Jan 2009 13:33
Last Modified:27 Nov 2013 20:32
Publisher:EMH Swiss Medical Publishers
ISSN:0036-7672
Additional Information:Free full text article
Official URL:http://www.smw.ch/docs/pdf200x/2008/41/smw-12352.pdf
Related URLs:http://www.smw.ch/dfe/set_archiv.asp?target=2008/41/smw-12352 (Publisher)
PubMed ID:18941947
Citations:Web of Science®. Times Cited: 7
Google Scholar™
Scopus®. Citation Count: 12

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