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Microb Drug Resist ; 26(6): 681-684, 2020 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-31829792

RESUMO

Introduction: In just two decades Acinetobacter baumannii has attained considerable importance, evolving from an insignificant organism to a leading pathogen especially in intensive care unit settings globally. Treatment options are already very limited and have almost run out due to the rapid emergence of antimicrobial resistance. Evaluation of antimicrobials that are currently in use to determine their effectiveness against multidrug-resistant (MDR) strains and developing newer options is of utmost importance. We thus set out to determine the efficacy of routinely used antibiotics against MDR A. baumannii. Materials and Methods: This was a cross-sectional study conducted at the Department of Microbiology, Army Medical College, National University of Medical Sciences (Rawalpindi, Pakistan) from December 2015 to June 2016. The organisms were identified on the basis of colony morphology, gram staining, catalase, oxidase, motility test, and API (analytical profile index) 20NE. The organisms were considered to be MDR when the isolate was found to be resistant to at least one agent in more than three antimicrobial groups. Antibiotic sensitivity was determined using the modified Kirby-Bauer disc diffusion method according to Clinical Laboratory Standards Institute (CLSI) guidelines. Results: The 77 isolates were found to have good sensitivity to tigecycline (94.8%) and minocycline (80.5%). Most of the isolates were resistant to other routinely used antibiotics. Conclusion: A few antibiotics, tigecycline and minocycline, are still effective against these MDR A. baumannii. We need to remain up to date regarding the efficacy of antibiotics to effectively treat patients with these MDR bacteria.


Assuntos
Acinetobacter baumannii/efeitos dos fármacos , Antibacterianos/farmacologia , Farmacorresistência Bacteriana Múltipla , Acinetobacter baumannii/isolamento & purificação , Estudos Transversais , Feminino , Humanos , Masculino , Testes de Sensibilidade Microbiana , Centros de Atenção Terciária
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