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Original Article

Med Arh. 2018; 72(5): 330-334


The Importance of Acinetobacter Species in the Hospital Environment

Velma Rebic; Nejra Masic; Sanela Teskeredzic; Mufida Aljicevic; Amila Abduzaimovic; Damir Rebic.

Abstract
Introduction: Acinetobacter species is associated with health care associated infections especially in patients on respiratory therapy equipment and indwelling catheters. They are becoming increasingly drug resistant. The knowledge of the prevalence and pattern of antimicrobial susceptibility pattern of Acinetobacter spp. is important. Aims: The study is undertaken to estimate the prevalence rate, risk factors and antimicrobial resistance pattern of isolates. in Acinetobacter spp. from various clinical samples. Material and Methods: The isolates of Acinetobacter species obtained from various clinical specimen. Specimens were processed by standard microbiological techniques. Antimicrobial sensitivity tests of the Acinetobacter isolates were done by modified Kirby-Bauer disc diffusion method. Results: Out of 622 isolates, 399 isolates were from inpatients (62,18%) and 223 were from outpatients (37,82%). More than 90% of isolates displayed resistance to ampicillin, amoxicillin-clavulanic acid, ceftazidime, caftriaxon and amikacin. Resistance to gentamicin, co-trimoxazole and ciprofloxacin were also common. Least resistance was seen to piperacillin-tazobactam and imipenem. A total of 125 Acinetobacter isolates were analyzed, out of which 78.4 % were multi-drug resistant (MDR). Of these MDR isolates, 17.24% were pan-resistant. A. baumannii was the most common species responsible for wound infection (84,8%), pneumonia(96,15%), abscess (72.7%), urinary tract infection (85,7%) and septicemia(89,5%). Conclusion: Multi-drug resistant Acinetobacter has emerged as an important nosocomial pathogen. Antibiotic susceptibility testing is critical in the treatment of infections caused by Acinetobacter. Continued surveillance of prevalent organisms in ICUs, combined with preventive measures remains absolutely essential in efforts to prevent or limit the spread of Acinetobacter infection.

Key words: Acinetobacter;antimicrobial resistance;hospital



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