Preoperative screening for mucocutaneous bacterial colonization with special reference Methicillin Resistant Staphylococcus aureus
Journal Title: Journal of the Indian Medical Association - Year 2018, Vol 116, Issue 3
Abstract
Preoperative infection control policy depending on local prevalence of bacterial colonization in order to reduce postoperative surgical site infection is a vital concern of any health care setting. The aims of the present study were to determine the local prevalence of mucocutaneous colonization of Methicillin resistant Staphylococcus aureus (MRSA) and other bacteria in patients presenting for emergency and elective surgery, to identify patient groups mostly colonized and the most frequent colonizing bacteria, to determine the sensitivity of MRSA screening of nose, throat, axilla, groin and perineum individually and to compare the individual site sensitivities with the sensitivity of multiple site screening. Cross-sectional study in a tertiary public teaching hospital. Active surveillance of 400 patients was done preoperatively to detect mucocutaneous bacterial colonization from five sites namely nose, throat, groin, axilla and perineum. Bacterial colonization was detected in the nose, throat, axilla, groin and perineum in 53.5%, 50%, 86%, 76.3% and 76.8% of preoperative patients respectively. The most frequent bacteria isolated from nose, throat, axilla and perineum was Methicillin Sensitive Staphylococcus aureus (MSSA). In the groin, MRSA was most frequent. The prevalence of MRSA in the study population was 45.25%. Preoperative bacterial colonization was most prevalent in the age group between 21 and 40 years. Females were more colonized than males. Multiple site screening increased the sensitivity for MRSA detection when compared to single site screening. MRSA colonization was mostly found in the groins of preoperative patients. Culturing multiple sites was superior to culturing any single site for detection of MRSA colonizers.
Authors and Affiliations
Sugata Dasgupta, Ramprasad Gorai, Maitreyi Bandyopadhyay, Dipasri Bhattacharya, Dr Simit Kumar, Priyojit Bagchi, Santanu Sen
Keywords
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