• Catherine Riley and Nadia Ladak.
• Sheffield Children's Hospital NHS Trust, Sheffield, UK.
• Paediatr Anaesth. 2020 Nov 1; 30 (11): 1199-1203.

AbstractExposure to environmental tobacco smoke (ETS) has deleterious effects on a child's general health and their perioperative risk; specifically, it doubles a child's perioperative risk of adverse respiratory events, particularly laryngospasm. It increases the risk of sudden infant death syndrome, bacterial meningitis, middle ear infection, asthma, and lower respiratory tract infection. The preoperative assessment of children presenting for procedures under general anesthesia is an opportune moment to screen for exposure to ETS and give information about the risks and cessation support (if applicable). This can be described as a "teachable moment"; there is a documented need for this public health education and it aligns with the NHS Long Term Plan, aiming to embed public health information into every consultation a patient or family has with a healthcare practitioner. The period preceding and following surgery is a time when patients or their families are motivated to make a behavioral change. It has been shown that parents who smoke are more likely to attempt smoking cessation if their child has had recent surgery but not to maintain their abstinence; however, we know that subsequent quit attempts increase the likelihood that a smoker will succeed in permanently abstaining so aiming for a quit attempt rather than permanent abstinence is a valid aim. A suggested screening method would be to firstly ask all parents or carers in the preoperative health screening questionnaire about their child's exposure to ETS, accepting this lacks both the sensitivity and specificity of a valid screening tool. This can be augmented by measuring exhaled carbon monoxide in any child who is able to comply with the test; exhaled carbon monoxide has been shown to be a valid screening tool for exposure to ETS in adolescents but not children under 12 years of age, perhaps because smaller children may not be able to cooperate with the test which requires a vital capacity maneuver to provide an adequate endtidal sample. A suggested model for smoking cessation intervention is called Very Brief Advice and comprises three parts: Ask about a child's exposure to ETS with/without exhaled carbon monoxide measurement Advise about the risks to the child's general and perioperative health and the health of the smoker and wider family plus the benefits of smoking cessation Act on the response by referring to local smoking cessation support. Referral to local smoking cessation services should be along established pathways. Thus, recording a household smoking status and referring to local smoking cessation services targets a public health measure with benefits beyond the individual patient and planned anesthetic. There is no evidence in the literature of the effect of environmental exposure to electronic cigarettes ("vaping") on a child's perioperative health. Further research is needed to establish if preoperative reduction in or removal from exposure to ETS reduces the risk of respiratory adverse events in the child.© 2020 John Wiley & Sons Ltd.

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