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J Pediatr. 2002 Feb;140(2):205-9.

Lung tissue concentrations of nicotine in sudden infant death syndrome (SIDS).

Author information

1
Division of Clinical Pharmacology and Toxicology, Hospital for Sick Children, University of Toronto, Ontario, Canada.

Abstract

OBJECTIVE:

To compare lung concentrations of nicotine and cotinine in cases of sudden infant death syndrome (SIDS) and controls.

DESIGN/METHODS:

We measured lung tissue concentrations of nicotine and cotinine in SIDS (n = 44) and non-SIDS cases (n = 29) stratified according to household smoking status.

RESULTS:

When all the SIDS and non-SIDS cases were compared regardless of smoking status, there was a significantly higher nicotine concentration in the SIDS cases than in the non-SIDS cases, (P =.0001). Upon stratifying for smoking status, there was a nonsignificant trend toward more nicotine in SIDS versus non-SIDS lungs that had come from a reported smoking environment. In the nonsmoking group, there were significantly higher nicotine concentrations in SIDS than non-SIDS cases (P =.001).

CONCLUSIONS:

Children who died from SIDS tended to have higher concentrations of nicotine in their lungs than control children, regardless of whether smoking was reported. These results are based on an objective, biochemical test rather than history, and they further support the relationship between environmental tobacco smoke and the risk of SIDS.

PMID:
11865272
DOI:
10.1067/mpd.2002.121937
[Indexed for MEDLINE]

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