27/04/2026
๐ฌ New Research Findings: ๐๐ข๐ฌ๐ค ๐๐๐๐ญ๐จ๐ซ๐ฌ ๐๐จ๐ซ ๐ฆ๐๐ญ๐ก๐ข๐๐ข๐ฅ๐ฅ๐ข๐ง-๐ซ๐๐ฌ๐ข๐ฌ๐ญ๐๐ง๐ญ ๐๐ญ๐๐ฉ๐ก๐ฒ๐ฅ๐จ๐๐จ๐๐๐ฎ๐ฌ ๐๐ฎ๐ซ๐๐ฎ๐ฌ (๐๐๐๐) ๐๐๐๐ญ๐๐ซ๐๐๐ฆ๐ข๐ ๐ข๐ง ๐ฉ๐๐ญ๐ข๐๐ง๐ญ๐ฌ ๐ฐ๐ข๐ญ๐ก ๐จ๐ซ ๐ฐ๐ข๐ญ๐ก๐จ๐ฎ๐ญ ๐ฉ๐ซ๐ข๐จ๐ซ ๐๐๐๐ ๐๐จ๐ฅ๐จ๐ง๐ข๐ฌ๐๐ญ๐ข๐จ๐ง.
This matched caseโcontrol study evaluated risk factors for hospitalโonset (HO) MRSA bacteraemia among patients with and without prior MRSA colonisation at two tertiary hospitals between 2016 and 2022. Stratified analyses identified common and colonisation statusโspecific risk factors, highlighting heterogeneity in patient risk profiles relevant to infection prevention.
๐๐๐ฒ ๐๐ข๐ง๐๐ข๐ง๐ ๐ฌ:
โข Risk factors differed by MRSA colonisation status, with PICC presence unique to colonised patients, and prolonged hospital stay and chronic haemodialysis unique to nonโcolonised patients.
โข Several major risk factors were common to both groups, including immunosuppressive therapy, fluoroquinolone and glycopeptide exposure, and thrombophlebitis.
โข Nonโcolonised patients contributed substantially to HOโMRSA bacteraemia, challenging prevention strategies focused solely on known carriers.
๐๐ญ๐ฎ๐๐ฒ ๐ข๐ฆ๐ฉ๐ฅ๐ข๐๐๐ญ๐ข๐จ๐ง๐ฌ:
HOโMRSA bacteraemia risk is not uniform and varies by colonisation status, indicating that prevention strategies should extend beyond previously colonised patients. Tailored approaches, including strengthened catheter care and enhanced surveillance for highโrisk nonโcolonised patients such as those with prolonged hospitalisation or haemodialysis exposure, enhance the prevention of HOโMRSA bacteraemia.
๐๐๐๐ ๐ฆ๐จ๐ซ๐ ๐ก๐๐ซ๐: https://doi.org/10.1016/j.jhin.2026.03.009
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