Erschienen in:
23.09.2016 | Original Article
Environmental risk factors for sudden infant death syndrome in Japan
verfasst von:
Masako Hirabayashi, Masao Yoshinaga, Yuichi Nomura, Hiroya Ushinohama, Seiichi Sato, Nobuo Tauchi, Hitoshi Horigome, Hideto Takahashi, Naokata Sumitomo, Hirohiko Shiraishi, Masami Nagashima
Erschienen in:
European Journal of Pediatrics
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Ausgabe 12/2016
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Abstract
While the prevalence of sudden infant death syndrome (SIDS) has decreased worldwide, this decline has plateaued recently. Strategies are needed to resume the constant decrease of SIDS in Japan. A prospective electrocardiographic screening program for infants was performed between July 2010 and March 2011. Parents of 4319 infants were asked about environmental factors related to SIDS through questionnaires at a one-month medical checkup and one year. Parental awareness of prone position, smoke exposure, and breast feeding as environmental factors were 81.4 %, 69.0 %, and 47.8 %, respectively. The prevalence of laying infants exclusively in a supine position was 96.7 %. At the one-month medical checkup, smoking prevalence was 41.7 % in fathers and 2.1 % in mothers. Maternal smoking prevalence was significantly increased at one year after (p < 0.001). Multivariate regression analysis showed that risk factors for new or continued maternal smoking habits were maternal smoking habits at one month (p < 0.001), paternal smoking habits one year later (p < 0.001), and younger maternal age (p = 0.02).
Conclusion: Most parents already avoid laying infants in the prone position, and parental smoking is still a SIDS risk concern in Japan. Smoking cessation programs should be further implemented for parents to decrease risks of SIDS in Japan.
What is Known:
• The prevalence of sudden infant death syndrome (SIDS) has decreased worldwide, however, this decline has plateaued recently.
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What is New:
• Most infants were laid sleeping in the supine position (96.7 %) and were fed breast milk or a mix of expressed milk and formula (92.7 %), and 2.1 % of mothers smoked at the one-month medical checkup.
• Maternal smoking prevalence significantly increased from the one-month medical checkup to one year later, and smoking mothers were more likely to feed infants by formula rather than breast milk.
• Independent risk factors for new or continued maternal smoking habits included younger maternal age, maternal smoking habits at one month, and paternal smoking habits one year later.
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