year 3, Issue 2 And 3 (12-2009)
Iran J Med Microbiol 2009, 3(2 And 3): 40-46 |
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Sharifi M, Assefzadeh M, javadi A, Kargar A. Prevalence of methicillin-resistant Staphylococcus aureuscolonization in patients hospitalized in ICUs inQazvin’s university hospitals-2006. Iran J Med Microbiol 2009; 3 (2 and 3) :40-46
URL: http://ijmm.ir/article-1-156-en.html
URL: http://ijmm.ir/article-1-156-en.html
1- Department of Microbiology, School of Medicine, Qazvin university of Medical Sciences , dr_m_sharifi2002@yahoo.com
2- Department of Infectious diseases, School of Medicine, Qazvin university of Medical Sciences
3- Department of Community Medicine, School of Medicine, Qazvin university of Medical Sciences
4- General Physician
2- Department of Infectious diseases, School of Medicine, Qazvin university of Medical Sciences
3- Department of Community Medicine, School of Medicine, Qazvin university of Medical Sciences
4- General Physician
Abstract: (14237 Views)
Background and objectives:The patients admitted in the ICU , havedysfunctions in one or more organs,
especially, respiratory and cardiovascular systems. ICU isburdened with virulent bacteria and often highly
resistants. Methicillin resistant Staphylococcus aureus (MRSA) is one of important problem in the
ICUs.The world-wide importance of “MRSA” encourage us to propose this study. The aim of this study was
to determine the prevalence of methicillin- resistant S.aureus colonization in patients hospitalized in ICUs in
Qazvin’s university hospitals.
Materials and Methods: This study occurred out during 6 months period (July through December,2006). Nasal swab specimens were collected on the admission and the discharge of patients admitted in ICUs university hospitals of Qazvin. After isolation and identification the strains, the methicillin resistance was determined by Clinical and laboratory standards institute (CLSI) oxacillin screening plate method. Other information were collected by questionnaire. The data were analyzed by Chi-square and Fisher exact tests. Results:A total number of 265 patients (1 day to 88 years old) were studied. The carrier state of methicillin sensitive S. aureus (MSSA), and MRSA strains were 52 (19.6%),and 32 (12.4%) respectively. Cultures from 174 (65.7% ) patients were negative. From this 174 remainder, on discharging 11 (6.3%), and 40 (23%) patients were colonized with MSSA, and MRSA strains respectively. Ceftriaxone was more administrated antibiotic. There was a significant correlation between colonization with MRSA strains and length of ICU stay (P<0.05) . Although colonization happened more top atients, who had “diabet”, urinary catheter, and prescription of “ceftriaxon” , but we found no significant relationship ( P>0.05 ). Conclusion:Our findings confirm the presence of MRSA strainin population in Qazvin city. The incidence of colonization with MRSA strain, in comparison of the carrier state with the same strain, was 1.9 times. The ICUs wards are contaminated with this strain and so spreads among community. MRSA colonization had a significant association with length of ICU stay.
Materials and Methods: This study occurred out during 6 months period (July through December,2006). Nasal swab specimens were collected on the admission and the discharge of patients admitted in ICUs university hospitals of Qazvin. After isolation and identification the strains, the methicillin resistance was determined by Clinical and laboratory standards institute (CLSI) oxacillin screening plate method. Other information were collected by questionnaire. The data were analyzed by Chi-square and Fisher exact tests. Results:A total number of 265 patients (1 day to 88 years old) were studied. The carrier state of methicillin sensitive S. aureus (MSSA), and MRSA strains were 52 (19.6%),and 32 (12.4%) respectively. Cultures from 174 (65.7% ) patients were negative. From this 174 remainder, on discharging 11 (6.3%), and 40 (23%) patients were colonized with MSSA, and MRSA strains respectively. Ceftriaxone was more administrated antibiotic. There was a significant correlation between colonization with MRSA strains and length of ICU stay (P<0.05) . Although colonization happened more top atients, who had “diabet”, urinary catheter, and prescription of “ceftriaxon” , but we found no significant relationship ( P>0.05 ). Conclusion:Our findings confirm the presence of MRSA strainin population in Qazvin city. The incidence of colonization with MRSA strain, in comparison of the carrier state with the same strain, was 1.9 times. The ICUs wards are contaminated with this strain and so spreads among community. MRSA colonization had a significant association with length of ICU stay.
Type of Study: Original Research Article |
Subject:
Medical Bacteriology
Received: 2013/11/22 | Accepted: 2013/11/22 | ePublished: 2013/11/22
Received: 2013/11/22 | Accepted: 2013/11/22 | ePublished: 2013/11/22
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