Bacteriological profile and antibiogram of bronchoalveolar lavage fluid from patients with respiratory tract infections at a tertiary care Hospital


Original Article

Author Details : Nesegopu Padmaja*, Venkateswara Rao

Volume : 8, Issue : 2, Year : 2021

Article Page : 119-122

https://doi.org/10.18231/j.ijmr.2021.023



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Abstract

Background: Chronic respiratory diseases account for 4 million deaths annually, and it is one of the most common health issues globally. The present study aims to determine bacterial isolates and their sensitivity pattern as the emergence of antibiotic resistance in the frequently isolated pathogens has complicated the use of empiric therapy with traditional agents.
Materials and Methods: BAL fluid samples of patients with respiratory infections undergoing bronchoscopy in KIMS Hospital, Amalapuram, were collected under aseptic conditions and processed according to standard protocol over 15 months, from July 2018 to October 2019. The antimicrobial susceptibility was tested by the Kirby-Bauer disc diffusion method as per CLSI guidelines.
Results: Out of 135 samples, 52(58%) were positive for growth. Of these, 49 were bacterial isolates, and 3 were fungal isolates. The highest isolation rate was observed in the 51-60 yrs age group followed by 61-70 yrs. The common organisms isolated were GNB, predominant being Klebsiella pneumoniae 30(61%), followed by Pseudomonas 15(30%) and E.coli 4(8%). Resistance to allcephalosporins and sensitivity to amikacin followed by piperacillin-tazobactam and other aminoglycosides were noted.
Conclusion: BAL has improved sensitivity and specificity in the diagnosis of respiratory infections. An updated antibiogram and monitoring of bacterial isolates and other susceptibility is attributed to antibiotic resistance and the changing pattern of bacterial pathogens.
 

Keywords: Antibiotic sensitivity, Bronchoalveolar lavage, Bacterial isolates, GNB, Klebsiella.


How to cite : Padmaja N, Rao V, Bacteriological profile and antibiogram of bronchoalveolar lavage fluid from patients with respiratory tract infections at a tertiary care Hospital. Indian J Microbiol Res 2021;8(2):119-122


Copyright © 2021 by author(s) and Indian J Microbiol Res. This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (creativecommons.org)





Article History

Received : 08-07-2021

Accepted : 16-07-2021

Available online : 31-07-2021


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https://doi.org/10.18231/j.ijmr.2021.023


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