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[Bacterial flora as a potential etiopathogenic factor for nasal polyps]
Beata Rostkowska-Nadolska1, Małgorzata Fleischer
1Kliniki Otolaryngologii, Akademii Medycznej we Wrocławiu.
Summary
Bacterial flora in patients with nasal polyps, regardless of type (eosinophilic or neutrophilic), often includes common inflammatory bacteria. Post-polypectomy, the bacterial profile remains similar to that found in patients with nasal polyps.
Area of Science:
- Otolaryngology
- Microbiology
- Immunology
Context:
- Nasal polyps are linked to disrupted nasal mucosa homeostasis and inflammation.
- Bacterial and viral infections significantly contribute to the inflammatory and immunological processes involved in polyp development.
- Bacterial factors can damage cilia, impair mucociliary clearance, and promote epithelial damage, facilitating bacterial colonization.
Purpose:
- To identify and compare the bacterial flora in patients with nasal polyps (eosinophilic and neutrophilic) and after polypectomy, against a control group of healthy individuals.
- To investigate the role of bacterial infections in the pathogenesis and persistence of nasal polyps.
Summary:
- Nose swabs were analyzed from 51 patients with nasal polyps (before surgery), 15 patients post-polypectomy, and 25 healthy controls.
- Dominant bacterial flora in both eosinophilic and neutrophilic nasal polyp groups comprised bacteria typically associated with inflammation.
- Bacterial flora in patients after polypectomy did not significantly differ from that observed in patients with active nasal polyps.
Impact:
- Findings suggest that bacterial presence and composition may play a persistent role in the inflammatory environment of nasal polyps, even after surgical removal.
- Understanding the specific bacterial profiles can inform future therapeutic strategies targeting the microbiome in chronic rhinosinusitis with nasal polyps.