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Published on: October 22, 2020
Cigarette smoking and dyspnea perception
Elisabetta Rosi1, Giorgio Scano
1Section of Immunoallergology and Respiratory Diseases, Department of Internal Medicine, University of Florence, Firenze, Italy.
Tobacco Induced Diseases
|July 3, 2009
Summary
Cigarette smoking significantly increases the risk of respiratory symptoms, including dyspnea (shortness of breath), in a dose-dependent manner. Smoking cessation offers benefits, while eosinophilia and airway hyperresponsiveness exacerbate dyspnea risk.
Area of Science:
- Respiratory Medicine
- Environmental Health
- Clinical Research
Background:
- Cigarette smoking is a major risk factor for adult respiratory symptoms, including dyspnea.
- Environmental tobacco smoke also contributes to respiratory issues in adults and children.
- Mechanisms linking smoking to dyspnea perception are not fully understood.
Purpose of the Study:
- To explore the relationship between cigarette smoking and respiratory symptoms, particularly dyspnea.
- To investigate potential mechanisms, such as sensory nerve abnormalities and eosinophil airway inflammation, in smoking-induced dyspnea.
- To highlight the dose-dependent nature of smoking's impact and the role of smoking cessation.
Main Methods:
- Review of existing studies examining smokers, ex-smokers, and environmental smoke exposure.
- Analysis of proposed mechanisms involving sensory nerve function and neurotransmitter depletion.
- Investigation into the role of eosinophil airway inflammation and its association with smoking.
Main Results:
- Smoking is a significant risk factor for respiratory symptoms, with risk increasing in a dose-dependent way.
- Environmental tobacco smoke impacts respiratory symptom incidence in both adults and children.
- Abnormalities in sensory nerves and eosinophil airway inflammation are implicated in smoking-related dyspnea.
- Smoking cessation demonstrates beneficial effects on respiratory health.
Conclusions:
- Cigarette smoking is a primary risk factor for respiratory symptoms, including dyspnea.
- The risk of developing dyspnea is dose-dependent and exacerbated by eosinophilia and airway hyperresponsiveness (AHR).
- Further research is needed to fully elucidate the mechanisms by which smoking causes dyspnea perception.
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