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:: Volume 9, Issue 1 (spring 2009) ::
J Ardabil Univ Med Sci 2009, 9(1): 80-88 Back to browse issues page
Antibiotic Resistance Pattern of Isolated Strains of staphy from Personnel Nasal Specimens in Meshgin Shahar Valiasr Hospital
Mojtaba Nikbakht , Siyamak Hassan nagad, Babak Rezazade, Abbas Nagizadeh Baghi, Faiiaz Gorbani, Fatemeh Faraji, Nasim Karimvand
Abstract:   (6645 Views)

  Background and Objective: Staphylococcus aureus is known as an important pathogen causing a variety of bacterial infections. Treatment of this bacterium with antibiotics has led to antibiotic-resistancey, especially against methicillin (MRSA) and more recently rare resistance against vancomycin. The aims of this study were to determine nasal carriage rates of S. aureus in Meshgin Shahar Valiasr hospital’s personnel and to determine antibiotic-resistance patterns in the mentioned isolates.

  Methods: Staphylococcus aureus isolates were collected from the nose of 200 hospital personnel in Meshgin Shahar Valiasr hospital in a 2 month period in 2006. Antibiotic sensitivity of the collected strains were tested against antibiotics used in routine treatment of S. aureus infections. Oxacillin agar was also used to screen for MRSA according to NCCLS recommendation.

  Results: Our results showed there were 45% and 16% nasal carrier rate for S. aureus and MRSA (methicillin resistant staphylococcus aureus) strains, respectively in hospital personnel. Thirty two isolates were able to grow in oxacillin agar media, indicating 35% MRSA strains. Antibiotic resistant pattern of strains in disks method were recorded as follows: 35% to oxacillin, 97.8% to penicillin, 34% to erythromycin, 2.1% to chloramphenicol, 39.36% to tetracycline, 11.7% to gentamicin, 30.85% to trimetohoprim sulfamethoxazol and 19% to clindamycin. All of the isolates were sensitive to vancomycin and ciprofloxacin.

Conclusion: In this study, nasal carriage rate of Staphylococcus aureus among hospital Personnel was more than community expected rate (%40) and lower than hospital expeeted rate (%50-80). All of the test strains were sensitive to Vancomycin.
Keywords: Staphylococcus aureus, Nasal carriage, Methicillin, Vancomycin, Hospital Personnel
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Type of Study: article | Subject: Special
Received: 2008/01/21 | Accepted: 2009/05/20 | Published: 2014/04/7
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Nikbakht M, Hassan nagad S, Rezazade B, Nagizadeh Baghi A, Gorbani F, Faraji F et al . Antibiotic Resistance Pattern of Isolated Strains of staphy from Personnel Nasal Specimens in Meshgin Shahar Valiasr Hospital. J Ardabil Univ Med Sci. 2009; 9 (1) :80-88
URL: http://jarums.arums.ac.ir/article-1-293-en.html

Volume 9, Issue 1 (spring 2009) Back to browse issues page
مجله دانشگاه علوم پزشکی اردبیل Journal of Ardabil University of Medical Sciences
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