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Introduction & Objective: Surgical wound infection is one of the common nosocomial infections. During operation, members of the surgical team which are in contact with the tissue incision should observe the standards of infection control in the operating room since it has a great role in prevention and control of these infections. The present study aimed to determine the performance of the operating room personnel in observing the standards of infection control in educational hospitals of Yasuj University of Medical Sciences in 2009. Materials & Methods: Forty two operating room personnel participated in this cross-sectional analytic-descriptive study. A check list was used for unnoticeably collecting the data about the performance of personnel in respect of infection control standards at three different times. Their performances were classified into four levels (very weak, weak, moderate and good) and the results were shown as absolute and relative frequency distribution. Data were analyzed using Chi-square and Fischer exact test by the SPSS software. Results: Performance of personnel in following the standards of infection control in this study was moderate. Conclusion: The results indicate that the participants of the study do not follow some of the standards of infection control in the operating rooms. Therefore, further activities of the committees of infection control and using of new antiseptic for surgical scrub are recommended.

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Background & aim: Because of emerging multi-drug resistance (MDR) Pseudomonas aeruginosa strains, treatment of burn patients infected by this bacterium is difficult. The aim of this study was to detect antimicrobial profile and molecular epidemiology of metallo-beta-lactamase (MBL) producer strains. Methods: In this cross-sectional investigation 270 Pseudomonas aeruginosa isolates were collected from the burn patients. Carbapenem sresistance strains were detected by phenotypic E-test method. Susceptibility profiles of metallo-β-lactamase (MβL) enzyme producing isolates of this bacterium to 11 antimicrobial drug were determined by disc diffusion method according Clinical and Laboratory Standards Institute (CLSI) guidelines. The genetic correlations between isolates were determined by Pulsed-Field Gel Electrophoresis (PFGE) method. Results: Among 270 P. aeruginosa isolates, 60 (22.2%) strains showed resistant to meropenem (MEM) and imipenem (IMI) and were considered as metallo-β-lactamase positive. All metallo-β-lactamase positive isolates were resistant to five tested antimcrobial while their sensitivities to the three best effective antibiotics including ciprofloxacin, amikacin and ceftazidime were 1.7%, 6.7 % and 23.3%, respectively. Majority of the isolates (71.6%) showed more than 80% similarity based on the drawn dendrogram. Conclusion: Our results showed, the tested antimicrobials are not safe to prescribe for burn patients. According PFGE pulsotypes, a limited number of P.aeruginosa types are common in the hospital burn unit which infect the patients hospitalized in this ward.