NDLI: Role of Xpert PCR kit in assessing MRSA colonization in medical and surgical units of a tertiary care teaching hospital

Content Provider	Springer Nature : BioMed Central
Author	Ashraf, Muhammad Arsalan Irfan, Seema Baig, Ammarah Zeeshan, Syed Mohammad Khan, Hira Ahmed, Israr Virani, Nazleen Roshan, Rozina
Abstract	Background and rationale Methicillin resistant Staphylococcus aureus (MRSA) colonization increases the risk of MRSA infection. Detecting MRSA colonization can influence postoperative outcomes and prolong hospital stay. The conventional standard culture method for detecting MRSA colonization has limitations in terms of sensitivity and turnaround time. Hence, we sought out use of Xpert PCR kit for prompt evaluation of MRSA colonization to support MRSA prevention in a tertiary care hospital in Karachi, Pakistan. Materials and methods During 1st April-31st December 2022, 290 nasal and skin swab samples were collected from 257 patients and processed using routine culture (as gold standard method) and PCR-based MRSA detection assay (MRSA Xpert). Results A total of two hundred and ninety (290) swab samples from 257 patients were obtained, 33 of which were paired. The overall prevalence of MRSA colonization was 12% by both methods, with 90% of cases classified as community-associated (CA-MRSA) whereas 10% as hospital-acquired (HA-MRSA). The colonized group showed a higher subsequent MRSA infection rate (11% vs. 3.5%) compared to the noncolonized group. Culture identified 11% of screening samples as MRSA positive, Xpert MRSA assay showed 100% sensitivity and 95% specificity. The cost of a single MRSA Xpert assay was $50 while MRSA culture cost around $7.50. Conclusion Our study findings suggest that the presence of MRSA colonization in our cohort of patients is consistent with the existing trends in hospital epidemiology. Both conventional culture and Xpert MRSA methods showed comparable efficacy for detection of MRSA colonization. Larger-scale studies are recommended to validate these findings conclusively.
Related Links	https://bmcinfectdis.biomedcentral.com/counter/pdf/10.1186/s12879-024-09710-5.pdf
Ending Page	6
Page Count	6
Starting Page	1
File Format	HTM / HTML
ISSN	14712334
DOI	10.1186/s12879-024-09710-5
Journal	BMC Infectious Diseases
Issue Number	1
Volume Number	24
Language	English
Publisher	BioMed Central
Publisher Date	2024-10-02
Access Restriction	Open
Subject Keyword	Infectious Diseases Parasitology Medical Microbiology Tropical Medicine Internal Medicine Methicillin-resistant Staphylococcus aureus Infection prevention MRSA colonization MRSA infection Xpert PCR kit
Content Type	Text
Resource Type	Article
Subject	Infectious Diseases
Journal Impact Factor	3.4/2023
5-Year Journal Impact Factor	3.3/2023

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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