Journal of AdvancedMedical and Dental Sciences Research

Objectives: to isolate and identify the types of bacteria causing chronic rhinosinusitis in a tertiary care hospital and to study the antimicrobial suspectibility pattern of culture positive isolates. Material and Methods: The present study was conducted over a period of 18 months (December 2013 to June 2015) and comprised patients of all age groups and either sex presenting with features of chronic rhinosinusitis. Specimens were collected by maxillary antral aspiration using sterile techniques, endoscopic guided middle meatus swab/aspiration, sinus tissue culture during endoscopic sinus surgery, nasal discharge and excised nasal polyp. Results: There were 216 specimens out of which 145 bacterial species were isolated. Aerobic culture positivity was 50.46%.  In this study gram negative bacteria were more common than gram positive. Common aerobes were Pseudomonas aeruginosa (25.69%) followed by Klebsiella spp (16.51%), Coagulase negative staphylococcus (14.68%) and Staphylococcus aureus (10.09%). In this study anaerobic isolates were (16.66%). The most common isolate was Peptostreptococcus (36.11%) followed by Bacteroids (27.77%), Clostridium sp (11.11%) and Fusobacterium (11.1%). Conclusion: Gram negative organisms play a more important role than gram positive organisms. The causative pathogens of rhinosinusitis should be studied continuosly because rapid progress in the development of new antimicrobial agents has a significant impact on their bacteriological profile.
Key words: Chronic rhinosinusitis, bacteriological study, gram negative isolates.

Corresponding Author: Dr Shivani, Junior resident, Department of Microbiology, GMC, Amritsar, Room no 78, NRI girls hostel, Govt medical college, circular road, Amritsar.

This article may be cited as: Shivani, Devi B, Sharma K, Devi P, Rupali, Deep G. Bacteriology of chronic rhinosinusitis. J Adv Med Dent Scie Res 2016;4(2):7-10.