| Relationship of Maternal Snuff Use and Cigarette Smoking With Neonatal Apnea. | |
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MedLine Citation:
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PMID: 21873701 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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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. |
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Authors:
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Anna Gunnerbeck; Anna-Karin Wikström; Anna-Karin Edstedt Bonamy; Ronny Wickström; Sven Cnattingius |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-8-28 |
Journal Detail:
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Title: Pediatrics Volume: - ISSN: 1098-4275 ISO Abbreviation: - Publication Date: 2011 Aug |
Date Detail:
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Created Date: 2011-8-29 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0376422 Medline TA: Pediatrics Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Women's and Children's Health, Karolinska Institutet. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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