Overview
An episode of harmful use of nicotine involves patterns of tobacco use that pose significant health risks, often progressing through stages from initial experimentation to habitual smoking. Early identification and intervention are crucial to prevent long-term addiction and associated health complications 3.Diagnosis
Key Diagnostic Criteria: Identification of smoking stages (anticipation, initiation, experimentation, habituation) 3.
Recommended Tests: Measurement of carbon monoxide in expired air (COexp) using devices like the Micro Smokerlyzer can estimate smoking status; arterial blood carboxyhaemoglobin (COHb) levels provide a more accurate but invasive assessment 2.
Grading: Correlation between COexp and COHb is high, though COexp may underestimate COHb values 2.Management
First-Line Interventions:
- Counseling and Advice: Physicians should advise against smoking initiation and support maintaining nonsmoking behavior 3.
- Follow-Up Visits: Regular follow-ups and booster sessions to reinforce nonsmoking behaviors 3.
Adjunctive Treatments: Specific drug classes or doses for nicotine cessation are not detailed in the provided abstracts.Special Populations
Pediatrics: Family physicians and pediatricians play a critical role in identifying at-risk children and intervening early through education and monitoring 3.
Environmental Factors: For Aboriginal adolescents, living in smoke-free homes and having stable housing, good mental health, and strong family relationships are protective factors against regular smoking 1.Key Recommendations
Identify and Counsel at-Risk Individuals Early: Screen children and adolescents for risk factors associated with smoking initiation and provide counseling against smoking 3 (Evidence: Moderate).
Promote Smoke-Free Environments: Encourage and support the creation of smoke-free homes, especially in high-risk populations like Aboriginal adolescents 1 (Evidence: Moderate).
Monitor and Reinforce Nonsmoking Behaviors: Schedule regular follow-up visits and booster sessions to reinforce nonsmoking behaviors and address challenges 3 (Evidence: Moderate).References
1 Heris C, Thurber KA, Wright D, Thomas D, Chamberlain C, Gubhaju L et al.. Staying smoke-free: Factors associated with nonsmoking among urban Aboriginal adolescents in the Study of Environment on Aboriginal Resilience and Child Health (SEARCH). Health promotion journal of Australia : official journal of Australian Association of Health Promotion Professionals 2021. link
2 Andersson MF, Møller AM. Assessment of carbon monoxide values in smokers: a comparison of carbon monoxide in expired air and carboxyhaemoglobin in arterial blood. European journal of anaesthesiology 2010. link
3 Thomas RE, Thomas AP. Preventing children from smoking. How family physicians and pediatricians can help. Canadian family physician Medecin de famille canadien 1995. link