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Related Experiment Videos

Infection in the myelodysplastic syndromes.

C Pomeroy1, M M Oken, R E Rydell

  • 1Infectious Disease Section, Veterans Affairs Medical Center, Minneapolis, Minnesota 55417.

The American Journal of Medicine
|March 1, 1991
PubMed
Summary

Infections are a common and life-threatening complication in patients with myelodysplastic syndromes (MDS). Neutropenia and specific MDS subgroups are key risk factors, necessitating prompt evaluation for fever.

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Area of Science:

  • Hematology
  • Infectious Diseases
  • Oncology

Background:

  • Myelodysplastic syndromes (MDS) are a group of clonal hematopoietic stem cell disorders.
  • Patients with MDS are at increased risk of infections due to immune dysregulation and cytopenias.

Purpose of the Study:

  • To investigate the incidence, characteristics, and outcomes of infections in patients with MDS.
  • To identify risk factors associated with infection development in MDS patients.

Main Methods:

  • Retrospective review of 86 consecutive MDS patients treated between 1968 and 1986.
  • Analysis of infection timelines, MDS subgroups, peripheral neutrophil counts, and therapies.

Main Results:

  • Infections occurred at a high rate (nearly one per patient-year).

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  • Infection rates varied significantly by MDS subgroup (RA +/- RS < RAEB < RAEB-T) and were higher with neutrophil counts ≤1,000/microL.
  • Bacterial pneumonias and skin abscesses were most common; infection was the leading cause of death (64%).

    • Conclusions:

    • Infection is a major life-threatening complication in MDS.
    • Neutropenia and MDS subgroup are independent risk factors for infection.
    • Prompt evaluation of fever in MDS patients is crucial, particularly for pneumonia and skin infections.