Acinetobacter baumannii: No more a choosy intruder.
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Date
2011-08
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Abstract
Context: Acinetobacter baumannii, a non-fermenter, is fast coming up the list of pathogens causing nosocomial infections. Earlier considered to be a harmless colonizer, or at the most, a pathogen causing mostly respiratory tract infections, it has slowly but successfully emerged as a ubiquitous pathogen causing both community as well as health care associated infections. It has acquired multidrug resistance, and seems to be no more selective in mainly attacking any one or two body systems. According to recent reports, a shy selective bacterium has turned into a dangerous pathogen, capable of causing infections anywhere in the body, thereby adding extra furrows on the forehead of medical community worldwide. AIMS: To determine the range of infections caused by A. baumannii, and the frequencies thereof, in our tertiary care hospital; and to study their resistance patterns. Materials and Methods: A total of 88 isolates of A. baumannii were found from a variety of clinical samples, from hospitalized patients as well as patients attending the outpatient departments. The isolates were subjected to disc-diffusion method for antibiotic sensitivity testing. Results: Acinetobacter was mostly recovered from samples of pus, followed by endotracheal tube, urine, sputum samples, etc., Imipenem showed highest sensitivity, while other drugs with good sensitivity patterns were aminoglycosides and piperacillin-tazobactum. Conclusions: In this tertiary care institution of ours, A. baumannii isolates have shown a high frequency of drug resistance, with imipenem being the best sensitive drug. This non-fermenter is the cause of a variety of infections, irrespective of whether the individuals are hospitalized or are outdoor patients.
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Keywords
Acinetobacter baumannii, drug sensitivity, range of infections
Citation
Chakraborty Baishali, Banerjee Dibyendu, Chakraborty Banya. Acinetobacter baumannii: No more a choosy intruder. Indian Journal of Medical Sciences. 2011 Aug; 65(8) 344-348.