Trends in Clinical and Medical Sciences

Prevalence of nasal colonization of MRSA in a teaching hospital

Mamatha P Samaga\(^{1}\), Sahana Shetty N S\(^{2,*}\) and Keerthi A M\(^{1}\)
\(^{1}\) Department of Microbiology, Mandya Institute of Medical Sciences, Mandya Institute of Medical Sciences, Mandya, India.
\(^{2}\) Department of Microbiology, Kidwai Memorial Institute of Oncology, Bangalore, Karnataka, India.
Correspondence should be addressed to Sahana Shetty N S at sahanashettyns@gmail.com

 

Abstract

Background: MRSA is one of the leading causes of infections among hospitalized patients. The present study was conducted to know the prevalence of nasal colonization of MRSA in hospitalized patients.
Methodology:
Study design: A cross sectional study.
Study setting: Department of Microbiology, MIMS, Mandya, and
Source of data: Inpatients of MIMS teaching hospital, Mandya irrespective of any departments.
Method of collection of data: A proforma was used to record information on the Socio Demographic factors of the subjects including age, sex, presence of chronic disease, hospitalization within the previous year, use of antibiotics prior to a month of the sample collection, pattern of routine hygienic practices of the subjects. A total of 300 subjects were screened for MRSA after obtaining informed written consent from the subjects.
Results: Out of 300 Inpatients, 148(49.3%) were culture positive for Staphylococcus aureus,52 (17.3%) were MRSA carriers, Out of 52 MRSA isolates from Inpatients, all the 52(100%) isolates were sensitive to Vancomycin and Linezolid. 34(65.3%) were sensitive to Gentamicin, 24(46.1%) to Tetracycline, 23(44.2%) to Ciprofloxacin and 19(36.5%) to Chloramphenicol. All the 52(100%) isolates were resistant to Penicillin followed by 39(75%) resistance to Clindamycin, 38(73.07%) to Erythromycin and 33(63.5%) to Chloramphenicol.

Keywords:

Methicillin resistant; Staphylococcus aureus; Colonization.