Abstract
Multidrug-resistant Gram-negative bacterial infection is a serious global concern and especially in low and middle-income countries (LMIC) such as India. Colistin, an antimicrobial once abandoned following reports of organ toxicity, has re-emerged as an essential therapeutic agent in the management of these infections. A retrospective review of 162 inpatients was done, focusing on culture-proven multidrug-resistant infections requiring colistin. The overall clinical outcome in 58% of patients was found to be good, with nephrotoxicity and neurotoxicity occurring only in 8 (5%) and 4 (2.5%) patients, respectively. Multivariate analysis revealed an elevated lactate and raised urea to be independent factors associated with poor clinical response. In conclusion, there appears to be strong evidence supporting the use of colistin in the management of multidrug-resistant Gram-negative bacterial infections.
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