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Relationship of Maternal Snuff Use and Cigarette Smoking With Neonatal Apnea
Department of Women's and Children's Health, Karolinska Institutet.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Women's and Children's Health. (Obstetrisk forskning/Axelsson)
Department of Women's and Children's Health, Karolinska Institutet.
Department of Women's and Children's Health, Karolinska Institutet.
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2011 (English)In: Pediatrics, ISSN 0031-4005, E-ISSN 1098-4275, Vol. 128, no 3, 503-509 p.Article in journal (Refereed) Published
Abstract [en]

Background: Maternal smoking is associated with disturbed cardiorespiratory control in the infant. Despite lacking knowledge of whether the harmful effects of smoking are caused by combustion products in tobacco smoke or by nicotine, it has been argued that nicotine-replacement therapy during pregnancy is safer than smoking.

Objective: The goal of this study was to investigate if the disturbances in cardiorespiratory control associated with maternal smoking are also seen in infants prenatally exposed to snuff. We hypothesized that prenatal nicotine exposure (via moist snuff) causes disturbances in autonomic control and thereby increases the risk of apnea in the newborn.

Methods: In a nationwide Swedish cohort study, we studied associations between maternal tobacco use during pregnancy and neonatal apnea. Of 609 551 live-born singleton infants, 7599 were born to snuff-using mothers, 41 391 and 16 928 were born to light (1-9 cigarettes per day) and heavy (≥10 cigarettes per day) smokers, respectively. Logistic regression was used to calculate odds ratios, using 95% confidence intervals.

Results: Compared with infants of nontobacco users, infants with prenatal exposure to snuff were at an increased risk of apnea even after adjustment for differences in gestational age (odds ratio: 1.96 [95% confidence interval: [1.30-2.96]) Smoking was associated with increased risk of apnea before, but not after, adjusting for gestational age.

Conclusions: Snuff use during pregnancy is associated with a higher risk of neonatal apnea than smoking. Maternal use of snuff or nicotine-replacement therapy cannot be regarded as an alternative to smoking during pregnancy.

Place, publisher, year, edition, pages
2011. Vol. 128, no 3, 503-509 p.
Keyword [en]
nicotine, prenatal, gestation, exposure, respiration, newborn, smokeless tobacco
National Category
Obstetrics, Gynecology and Reproductive Medicine
Identifiers
URN: urn:nbn:se:uu:diva-160047DOI: 10.1542/peds.2010-3811ISI: 000295406100045PubMedID: 21873701OAI: oai:DiVA.org:uu-160047DiVA: diva2:447874
Available from: 2011-10-13 Created: 2011-10-13 Last updated: 2017-12-08Bibliographically approved

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Wikström, Anna-Karin

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