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Antepartum risk fac...
Antepartum risk factors for moderate to severe neonatal hypoxic ischemic encephalopathy : a Swedish national cohort study
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- Liljeström, Lena, 1977- (author)
- Uppsala universitet,Klinisk obstetrik
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- Wikström, Anna-Karin, 1965- (author)
- Karolinska Institutet,Uppsala universitet,Klinisk obstetrik
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- Ågren, Johan, 1966- (author)
- Uppsala universitet,Perinatal, neonatal och barnkardiologisk forskning
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- Jonsson, Maria, 1966- (author)
- Uppsala universitet,Klinisk obstetrik
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(creator_code:org_t)
- 2018-02-27
- 2018
- English.
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In: Acta Obstetricia et Gynecologica Scandinavica. - : Wiley. - 0001-6349 .- 1600-0412. ; 97:5, s. 615-623
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https://doi.org/10.1...
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Abstract
Subject headings
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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
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Reproduktionsmedicin och gynekologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Obstetrics, Gynaecology and Reproductive Medicine (hsv//eng)
Keyword
- Asphyxia
- body mass index
- hypoxic ischemic encephalopathy
- maternal height
- overweight
- risk factors
- short stature
- therapeutic hypothermia
Publication and Content Type
- ref (subject category)
- art (subject category)
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