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Hami Kaboosi , Abolfazl Khandan Del , Ezzat Allah Ghaemi , Sepide Bakhshande Nosrat, Ali Asghar Ayatollahi , Nastaran Golriz ,
Volume 10, Issue 2 (3-2016)
Abstract

ABSTRACT

       Background and Objective: Staphylococcus aureus is the most common and important infectious agent. This bacterium can enter the bloodstream and cause some complications in the intensive care unit (ICU).This organism can frequently be found in the nose and transmitted by the carriers. This study aimed to determine the efficiency of eradicating S. aureus from the nose of ICU personnel in reducing the risk of S. aureus infections in the Panje Azar Hospital in Gorgan, Iran.

        Methods: Sampling was done using sterile swabs collected from the anterior nasal passages.All samples containing Gram-positive cocci were sent to the laboratory of Faculty of Medicine for identification and evaluation of methicillin resistance. All S. aureus nasal carriers were treated with mupirocin ointment b.d for 5 days. The Samples were cultured again after five weeks to evaluate the eradication of S. auerus from the nose of subjects.

       Results: Overall, seven ICU personnel (11.7%) were S. aureus carriers. Two isolates (3.3%) were found as methicillin resistant using both methods of disc diffusion and PCR. The frequency distribution of positive cases indicated a significant difference in terms of work experience (P = 0.012).

        Conclusion: The findings show that treatment of carriers with 2% mupirocin topical ointment eradicates S. aureus from the nose. No S. aureus isolates was found in reculture of nasal samples. Treatment of healthy carriers can significantly reduce the risk of infections caused by the bacterium in the ICU.

  


Abolfazl Khandan Del , Ania Ahani Azari , Ailar Jamalli, Ezzat Allah Ghaemi,
Volume 12, Issue 3 (5-2018)
Abstract

ABSTRACT
          Background and Objectives: Staphylococcus aureus is one of the most common causes of morbidity and mortality among intensive care unit (ICU) patients. Nasal carriage is one of the main routs of S. aureus transmission between hospital personnel and patients. The objective of this study was to evaluate the efficacy of mupirocin ointment in eradication of nasal carriage of S. aureus in the ICU staff and patients of Panje-Azar hospital in Gorgan, Iran.
          Methods: In the first three months of the study (January to March), the prevalence of S. aureus among ICU patients was determined by routine microbiological and biochemical testing. Nasal samples were taken from ICU staff and all patients recently admitted to the ICU. Mupirocin nasal ointment (2%) was applied for treatment of S. aureus nasal carriers. Post-treatment sampling was done after five weeks. During the next three months, the presence of S. aureus and rate of resistance to methicillin was evaluated in new patients admitted to the ICU using the method used previously.
          Results: Of 60 samples from the ICU staff, seven (11.7%) samples were positive for S. aureus. Moreover, of 240 samples from the ICU patients, two samples were found as S. aureus-positive. Of the nine S. aureus-positive isolates, only two (22.2%) were methicillin-resistant S. aureus (MRSA). In the pre-intervention sampling, only five samples (2.8%) were identified as S. aureus, two of which were MRSA. However, treatment with mupirocin ointment eradicated nasal carriage of S. aureus and no isolate was found after the intervention.
          Conclusion: Our finding showed that mupirocin nasal ointment is highly effective in eradication of S. aureus nasal carriage and subsequently contribute to reduction in frequency of nosocomial infections in the ICU.
          Keywords: Intensive Care Units, Mupirocin, Nasal, Staphylococcus aureus.


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