Antepartum risk factors for moderate to severe neonatal hypoxic ischemic encephalopathy: a Swedish national cohort study

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Liljeström, Lena,1977-Uppsala universitet,Klinisk obstetrik (author)

Antepartum risk factors for moderate to severe neonatal hypoxic ischemic encephalopathy : a Swedish national cohort study

Article/chapterEnglish2018

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2018-02-27
Wiley,2018
printrdacarrier

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LIBRIS-ID:oai:DiVA.org:uu-354099
https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-354099URI
https://doi.org/10.1111/aogs.13316DOI
http://kipublications.ki.se/Default.aspx?queryparsed=id:138021865URI

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Language:English
Summary in:English

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Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

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IntroductionOur aim was to identify antepartum risk factors for neonatal hypoxic ischemic encephalopathy, with a focus on maternal body mass index and height.Material and methodsNational population-based cohort study of 692 428 live-born infants 36 gestational weeks in Sweden, 2009-2015. Data from the Swedish Medical Birth Register and the Swedish Neonatal Quality Register were linked. Short maternal stature was defined as 155 cm, and overweight as body mass index 25 kg/m(2). Therapeutic hypothermia served as surrogate marker of moderate to severe hypoxic ischemic encephalopathy. Associations between maternal and infant characteristics and hypoxic ischemic encephalopathy were calculated with logistic regression analyses, and risks were presented as odds ratios with 95% confidence intervals.ResultsModerate to severe hypoxic ischemic encephalopathy occurred in 0.67/1000 infants. Nulliparity, previous cesarean delivery, short stature, overweight, gestational age, occiput posterior presentation and birthweight were all independently associated with hypoxic ischemic encephalopathy. The risk of hypoxic ischemic encephalopathy increased with decreasing maternal height and increasing body mass index. Compared with non-short women (156 cm) with normal weight (body mass index <25 kg/m(2)), those with both short stature and overweight had increased risk of hypoxic ischemic encephalopathy (odds ratio 3.66; 95% confidence intervals 2.41-5.55). Among parous women with both short stature and overweight, the risk was almost sixfold (odds ratio 5.74; 95% confidence intervals 3.41-9.66).ConclusionsAntepartum risk factors for moderate to severe hypoxic ischemic encephalopathy included nulliparity, previous cesarean delivery, short stature, overweight, gestational age, occiput posterior presentation and birthweight. The combination of maternal short stature and overweight was associated with a more than threefold risk of subsequent hypoxic ischemic encephalopathy.

Subject headings and genre

MEDICIN OCH HÄLSOVETENSKAP Klinisk medicin Reproduktionsmedicin och gynekologi hsv//swe
MEDICAL AND HEALTH SCIENCES Clinical Medicine Obstetrics, Gynaecology and Reproductive Medicine hsv//eng
Asphyxia
body mass index
hypoxic ischemic encephalopathy
maternal height
overweight
risk factors
short stature
therapeutic hypothermia

Added entries (persons, corporate bodies, meetings, titles ...)

Wikström, Anna-Karin,1965-Karolinska Institutet,Uppsala universitet,Klinisk obstetrik(Swepub:uu)annwi179 (author)
Ågren, Johan,1966-Uppsala universitet,Perinatal, neonatal och barnkardiologisk forskning(Swepub:uu)johaagre (author)
Jonsson, Maria,1966-Uppsala universitet,Klinisk obstetrik(Swepub:uu)marjo155 (author)
Uppsala universitetKlinisk obstetrik (creator_code:org_t)

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In:Acta Obstetricia et Gynecologica Scandinavica: Wiley97:5, s. 615-6230001-63491600-0412

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