Profound immune suppression and exhaustion characterize refractory mycoplasma pneumoniae pneumonia in children - Takeaways - MDSpire

Profound immune suppression and exhaustion characterize refractory mycoplasma pneumoniae pneumonia in children

  • By

  • Xiaolin Ma

  • Yuting Wu

  • Feng He

  • Hailan Yao

  • Ling Cao

  • Chunmei Zhu

  • June 9, 2026

  • 0 min

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  • 1

    Children with refractory Mycoplasma pneumoniae pneumonia (RMPP) exhibited more severe clinical manifestations than those with common pneumonia.

  • 2

    RMPP was characterized by extensive reductions in absolute lymphocyte counts, including T cells, B cells, and regulatory T cells.

  • 3

    Multivariate analysis identified older age, longer fever duration, pleural effusion, and decreased absolute plasmablast count as independent predictors of RMPP.

  • 4

    A diagnostic model integrating plasmablast count, age, fever duration, and pleural effusion demonstrated good discrimination for early RMPP identification.

  • 5

    RMPP involves profound adaptive immunosuppression, marked by reductions in total lymphocytes and key functional subsets, particularly plasmablasts.

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