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[Asthma and smoking: an unfortunate combination]
1Departamento de Neumología, Hospital de la Santa Creu i de Sant Pau, Facultad de Medicina, Universidad Autónoma de Barcelona, Sant Antoni M. Claret 167, 08025 Barcelona, Spain. jbellido@santpau.es
Archivos De Bronconeumologia
|June 23, 2007
Summary
Asthma involves airway inflammation driven by various cells and mediators. Smoking exacerbates asthma, leading to severe symptoms and treatment resistance, highlighting the need for smoking cessation in asthmatic patients.
Area of Science:
- Investigates the complex inflammatory pathways in asthma.
- Examines the impact of environmental factors like smoking on airway inflammation.
Context:
- Asthma pathogenesis involves T-helper 2 cells, mast cells, and eosinophils.
- Certain asthma types, including irritant-induced and occupational asthma, are mediated by T-helper 1 cells, macrophages, and neutrophils.
- Smoking induces bronchial inflammation, primarily involving macrophages and neutrophils, with potential eosinophil involvement.
Purpose:
- To elucidate the diverse cellular and mediator profiles in different asthma subtypes.
- To understand how smoking influences asthma pathophysiology and clinical presentation.
- To explore the implications for asthma management and treatment resistance.
Summary:
- Asthma is characterized by airway inflammation involving specific immune cells and mediators.
- Smoking exacerbates asthma, altering inflammatory mechanisms and leading to more severe disease.
- This combination can reduce treatment efficacy, necessitating smoking cessation interventions for asthmatic smokers.
Impact:
- Highlights the critical role of smoking cessation in managing asthma.
- Suggests potential therapeutic targets based on distinct inflammatory profiles.
- Underscores the need for personalized treatment strategies considering smoking status.
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