Online ISSN: 2515-8260

Keywords : culture media

Bacteriology and susceptibility pattern in CSOM in central India

Amit Kumar Niranjan, Nikhil Agrawal, Rukmini Sharma, Dr. Rajendra Kumar Teharia

European Journal of Molecular & Clinical Medicine, 2022, Volume 9, Issue 2, Pages 516-521

Objective: Active chronic suppurative otitis media (CSOM) is the bacterial chronic infection
of middle ear cleft mucosa and treated with antibiotics empirically, which may cause resistance
to bacterial strains. In this study, we studied the bacteriology and susceptibility pattern in
CSOM for efficient empirical treatment especially in central India.
Methods: Clinically proven 160 patients with CSOM with otorrhea, were included in our
study. Ear discharge samples were collected with the asepsis method and bacterial culture and
antibiotics sensitivity patterns were obtained.
Results: Bacterial growth was present in 76.1% of ear samples with Staphylococcus and
Pseudomonas being most prominent. Vancomycin and Rifampicin were most effective for
staphylococcus and amoxicillin and quinolones were most resistant. Meropenem and
Piperacillin/tazobactam were the most effective antipseudomonal antibiotics. Ciprofloxacin
and Levofloxacin were least sensitive antipseudomonal quinolones.
Conclusion: Amoxicillin with quinolones were highly resistant for bacterial growth in-ear
samples so used cautiously as empirical therapy in CSOM. For effective treatment of CSOM
and prevention of resistant strain emergence, all ear samples must be sent for culture sensitivity.