Effective Recovery of a PICC Line in a Catheter-Related Bloodstream Infection Due to Multidrug-Resistant Ralstonia mannitolilytica with Topical Minocycline: A Case Study - Takeaways - MDSpire

Effective Recovery of a PICC Line in a Catheter-Related Bloodstream Infection Due to Multidrug-Resistant Ralstonia mannitolilytica with Topical Minocycline: A Case Study

  • By

  • Mu-Yun Gong

  • Pan-Pan Sun

  • Zheng-Ning Chen

  • Jia-Ai Li

  • February 16, 2026

  • 0 min

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  • 1

    Ralstonia mannitolilytica is a multidrug-resistant pathogen causing catheter-related bloodstream infections with limited treatment options.

  • 2

    A 47-year-old female with brain death developed a PICC-related bloodstream infection due to Ralstonia mannitolilytica after catheter insertion.

  • 3

    Initial treatment with systemic antibiotics failed, and the family refused catheter removal, prompting the use of topical minocycline.

  • 4

    Topical minocycline combined with standardized catheter care successfully controlled the infection, allowing retention of the PICC.

  • 5

    The case highlights the potential of topical antimicrobial therapy in managing CRBSI caused by multidrug-resistant bacteria.

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