Diurnal Temperature Range as a Novel Risk Factor for Sudden Infant Death

CHU Chen; ZHOU WenHao; GUI YongHao; KAN HaiDong

doi:10.3967/0895-3988.2011.05.010

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Volume 24 Issue 5

Oct. 2011

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Article Navigation > Biomedical and Environmental Sciences > 2011 > 24(5): 518-522

CHU Chen, ZHOU WenHao, GUI YongHao, KAN HaiDong. Diurnal Temperature Range as a Novel Risk Factor for Sudden Infant Death[J]. Biomedical and Environmental Sciences, 2011, 24(5): 518-522. doi: 10.3967/0895-3988.2011.05.010

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CHU Chen, ZHOU WenHao, GUI YongHao, KAN HaiDong. Diurnal Temperature Range as a Novel Risk Factor for Sudden Infant Death[J]. Biomedical and Environmental Sciences, 2011, 24(5): 518-522. doi: 10.3967/0895-3988.2011.05.010

Diurnal Temperature Range as a Novel Risk Factor for Sudden Infant Death

doi: 10.3967/0895-3988.2011.05.010

Cardiovascular Center, Children's Hospital of Fudan University, Shanghai 201102, China
Department of Neonatology, Children's Hospital of Fudan University, Shanghai 201102, China
School of Public Health, Key Lab of Public Health Safety of the Ministry of Education, Fudan University, Shanghai 200032, China; G_RI°CE(Research Institute for the Changing Global Environment)and Fudan Tyndall Centre. Fudan University, Shanghai 200433, China

Funds: the National Basic Research Program (973 program) of China(2011CB503802)%the National Natural Science Foundation of China(81001228)%the National High Technology Research and Development Program of China (863 Program)(2007AA02Z442)%the Shanghai Pu Jiang Program(09PJ1401700)%the Program for New Century Excellent Talents in University(NCET-09-0314)

Abstract

Objective To assess the relationship between diurnal temperature range (DTR) and sudden infant death (SID) between 2001 and 2004 in Shanghai,China.Methods We conducted a time-stratified case-crossover analysis to estimate the percent increase of SID associated with changes in DTR after adjustment for daily weather conditions (temperature and relative humidity) and outdoor air pollution.Results DTR was significantly associated with daily SID.An increase of 1℃ in the current-day (10) and in the 2-day moving average (L01) DTR corresponds to a 1.56％ (95％ CI:0.97％,2.15％) and a 1.89％ (95％CI:1.17％,2.60％) increase in SID,respectively.Conclusion An increased DTR was associated with an increased risk of SID in Shanghai.More studies are needed to understand the effect of DTR on infant deaths.
- Diurnal temperature range,
- Sudden infant death,
- Case-crossover
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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Diurnal Temperature Range as a Novel Risk Factor for Sudden Infant Death

doi: 10.3967/0895-3988.2011.05.010

Cardiovascular Center, Children's Hospital of Fudan University, Shanghai 201102, China

Department of Neonatology, Children's Hospital of Fudan University, Shanghai 201102, China

School of Public Health, Key Lab of Public Health Safety of the Ministry of Education, Fudan University, Shanghai 200032, China; G_RI°CE(Research Institute for the Changing Global Environment)and Fudan Tyndall Centre. Fudan University, Shanghai 200433, China

Key words:

Abstract: Objective To assess the relationship between diurnal temperature range (DTR) and sudden infant death (SID) between 2001 and 2004 in Shanghai,China.Methods We conducted a time-stratified case-crossover analysis to estimate the percent increase of SID associated with changes in DTR after adjustment for daily weather conditions (temperature and relative humidity) and outdoor air pollution.Results DTR was significantly associated with daily SID.An increase of 1℃ in the current-day (10) and in the 2-day moving average (L01) DTR corresponds to a 1.56％ (95％ CI:0.97％,2.15％) and a 1.89％ (95％CI:1.17％,2.60％) increase in SID,respectively.Conclusion An increased DTR was associated with an increased risk of SID in Shanghai.More studies are needed to understand the effect of DTR on infant deaths.

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