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In the light of changing anti-microbial resistance pattern, the understanding of the local antibiogram is essential in the antibiotic selection procedures and preparation of hospital antibiotic policy. Aim: This retrospective study was aimed to analyze the antibacterial susceptibility pattern of major isolates from ICU and IPD. Materials and Methods: Antimicrobial susceptibility testing was done for a total of 565 Gramnegative isolates including E. coli, K. pnuemoniae, A. baumannnii and P. aeruginosa from ICU and IPD patients enrolled between July 2016 to December 2016. Results: The majority of the isolates were reported from urine samples (52%) in IPD and sputum (59%) in ICU. The susceptibility to BL/BLI was 50-75% in IPD patients and Carbapenem Original Research Article Khandait et al.; MRJI, 29(2): 1-10, 2019; Article no.MRJI.51575 2 susceptibility was reported in more than 75% except P. aeruginosa. In ICU patients, the betalactam/beta-lactam inhibitor (BL/BLI) susceptibility ranged between 20-60% and the carbapenem susceptibility was around 40%-75%. The susceptibility of CSE-1034 (Ceftriaxone + Sulbactam + EDTA) was almost similar to minocycline and amikacin ranging from 50-90% against different species. Compared to carbapenems, the CSE-1034 performed overall better than carbapenems against P. aeruginosa and A. baumannii and was comparable to carbapenems against Enterobacteriaceae. The susceptibility of colistin ranged from 92-97% in both IPD and ICU isolates. Conclusion: Considering the value of carbapenems and colistin as the last option for multi-drug resistant (MDR) bacterial infections, irrational prescription of these drugs should be stopped. The use of ampicillin-sulbactam, cefepime and gentamicin from 1 st line antibiotics in ICU patients can help to reduce the load on 2 line antibiotics. Among 2 line drugs, CSE-1034 along with amikacin should be an empirical choice of treatment for bacterial infections where the 1st line drugs are suspected to fail and the need of carbapenems arises.

Current Susceptibility Trend of Antibiotics in a Tertiary Care Hospital - Need to Emphasize on Alternate Therapeutic Agents