clinical and antimicrobial profile of acinetobacter spp.: an emerging nosocomial superbug

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ID: 228253
2014
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Abstract
Background: Recently, Acinetobacter has emerged as significant hospital pathogen, notoriously known to acquire antibiotic resistance to most of the commonly prescribed antimicrobials. Many risk factors are associated with Acinetobacter infections, especially in patients in intensive care unit (ICU). This study aims to isolate Acinetobacter from various clinical specimens and to determine its antimicrobial sensitivity pattern. Materials and Methods: Identification, speciation and antimicrobial sensitivity testing were performed using the standard microbiological techniques. Slime production was also tested by microtiter plate and tube method. Results: From the processed clinical specimens, 107 Acinetobacter strains (1.02%) were isolated of which 76 (0.74%) isolates were from general wards and 31 (11.96%) were from ICU. Significantly higher percentage of Acinetobacter strains was found in ICU compared with general wards (P < 0.05). Most common Acinetobacter infection was abscess. Infections were more common in males and were associated with major risk factors such as post-surgical, diabetes mellitus, catheterization, extended hospital stay and prolonged antibiotic usage. Acinetobacter baumanii was the most common species isolated to cause abscess, wound infection, etc. 62.61% and 28.97% isolates produced slime by microtiter plate and tube method. Imipenem was most sensitive drug followed by amikacin. Ceftazidime, cefotaxime, piperacillin were most resistant. 43.00% isolates were IPM resistant. A. baumanii was more resistant to commonly used antimicrobials. Conclusion: Acinetobacter nosocomial infections resistant to most antimicrobials have emerged, especially in ICU. Early identification and continued surveillance of prevalent organism will help prevent the spread of Acinetobacter in hospital environment.
Reference Key
tripathi2014advancedclinical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Purti C Tripathi;Sunita R Gajbhiye;Gopal Nandlal Agrawal
Journal microbiological research
Year 2014
DOI
10.4103/2277-9175.124642
URL
http://www.advbiores.net/article.asp?issn=2277-9175;year=2014;volume=3;issue=1;spage=13;epage=13;aulast=Tripathi
Keywords
antimicrobial resistance acinetobacter

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