Abstract
Purpose
The purpose of this study was to describe the microbiology of recurrent acute exacerbations of chronic rhinosinusitis over time.
Methods
Retrospective review of patients with recurrent acute exacerbations of chronic rhinosinusitis who underwent endoscopic-guided cultures during acute exacerbations of chronic rhinosinusitis.
Results
386 cultures were obtained from 112 patients during recurrent acute exacerbations of CRS. A change of bacterial isolates during the course of recurrent exacerbations was observed in 68% (76/112) of patients, necessitating a change of treatment in 40% (45/112). The main risk factor for the subsequent change in cultures was polymicrobial growth. Sinus surgery was not associated with subsequent change in cultured isolates. Resistant strains developed in 11.6% (13/112) of patients, of whom those with abnormal mucociliary clearance being at the highest risk.
Conclusion
Repeated middle meatal cultures should be considered in patients with recurrent exacerbations of CRS, particularly in cases not responding to standard therapy.
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Data available.
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Yaniv, D., Stern, D., Vainer, I. et al. The bacteriology of recurrent acute exacerbations of chronic rhinosinusitis: a longitudinal analysis. Eur Arch Otorhinolaryngol 277, 3051–3057 (2020). https://doi.org/10.1007/s00405-020-06157-7
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DOI: https://doi.org/10.1007/s00405-020-06157-7