Purpose: Chronic rhinosinusitis (CRS) is known to be a polymicrobial infection involving both aerobes and Gram-positive and Gram-negative anaerobes. Accurate bacterial evaluation by adequate culture methods can justify subsequent antimicrobial strategies. Methods: Two specimens were obtained from each of 10 patients undergoing catheter-based Balloon Sinuplasty™, one from the middle meatus (endoscopic approach) and the other from the sinus (catheter-based approach). Results: The bacterial culture from the middle meatus was positive in 9 of 10 patients, including 6 different aerobes without anaerobes. The bacterial culture of aspirates from the sinuses were positive in 8 out of 10 patients, with 4 different aerobic bacteria and 4 different anaerobic bacteria. Anaerobes were isolated in 0% of middle meatus samples, which was significantly lower than the 62.5% (5/8) detected in the sinus samples. Conclusions: Bacterial culture of sinus aspirates using a catheter-based technique improves the recovery of bacterial pathogens from CRS patients.

Keywords:
Bacteria, Balloon catheter, Chronic rhinosinusitis
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© 2011 S. Karger AG, Basel
2011
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