Microbiology of middle meatus in chronic rhinosinusitis.

Unlabelled: This was a prospective study which assessed endoscopically collected middle meatus secretions in patients with chronic rhinosinusitis (CRS) and compared those findings with microbiological data of healthy individuals.

Methods: Middle meatus samples were collected from 134 CRS patients. In the laboratory, samples were Gram stained for microscopic examination with white blood cels (WBCs) count and also send for aerobic, anaerobic and fungal cultures.