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Revista de otorrinolaringología y cirugía de cabeza y cuello

On-line version ISSN 0718-4816


RIBALTA L, Gloria et al. Bacteriology of chronic rhinosinusitis in patients that had paranasal sinuses endoscopio surgery. Rev. Otorrinolaringol. Cir. Cabeza Cuello [online]. 2008, vol.68, n.2, pp.124-130. ISSN 0718-4816.

Introduction: Chronic rhinosinusitis (CRS) is an inflammatory condition where bacteria play an important role. Acute exacerbations of chronic sinusitis (AECS) in patients who underwent endoscopic sinus surgery (EES) are not infrequent. Treatment of these exacerbations is complex due to the emergence of new agents and to an increase in bacterial resistance. Therefore, it is important to develop methods to culture and identify these agents and their antimicrobial resistance and sensibilities. Aim: To develop a technique for recovery ofpathogens in the paranasal sinuses of patients with AECS after EES. Material and Method: 32 patients that had undergone EES were recruited. Aspiration of the maxillary sinus under direct endoscopio visión was performed. Samples obtained were sent for aerobic, anaerobio and fungal cultures. Results: Of the 50 samples collected, 46 were positive. Of these, 44 cultured aerobes, 7 cultured anaerobes, and 2 cultured fungí. The resistance to betalactamic antibiotics was 48.2% with at least 36% resistance to two different types ofantibiotics. Conclusión: This is the first report in Chile ofthe microorganisms involved in AECS after EES. The results suggest that the sampling method described here is a useful tool for the study of patients with AECS.

Keywords : chronic rhinosinusitis; endoscopic sinus surgery nasal culture.

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