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Assessment of Biofilm Formation Among Acinetobacterbaumannii Strains Isolated From Burned Patients



Pourhajibagher M1 ; Mokhtaran M1 ; Esmaeili D2 ; Bahador A1, 3, 4
Authors
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Authors Affiliations
  1. 1. Department of Microbiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Applied Microbiology Research center, Microbiology Department, Baqiyatallah University of Medical Sciences, Tehran, Iran
  3. 3. Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran
  4. 4. Laser Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran

Source: Der Pharmacia Lettre Published:2016

Abstract

Acinetobacter baumannii strains have emerged as problematic hospital pathogens, which can survive in healthcare settings and medical devices. Due to biofilm formation ability of A. baumannii and antibiotic resistance, making treatment difficult. This study was performanced in order to investigate the potential of biofilm formation of A. baumannii strains. A total of 120 samples suspected Acinetobacterspp. were collected from burned patients and were assessed by using conventional phenotypic and biochemical tests. Biofilm formation of A. baumannii isolates was evaluated by using crystal violet staining and scanning electron microscopy. Results showed that 100 isolates were A. baumannii that among them, 17% of clinical isolates were weak biofilm producers while 44% and 39% of them were moderate and strong biofilm producers, respectively. It can be concluded that most of A. baumannii isolates can form biofilm and may contribute to its persistence in the hospital environment, increasing the probability of causing nosocomial infections among burned patients.