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Use of Hematopoietic Stem Cell Transplantation to Assess the Origin of Myelodysplastic Syndrome
06:39

Use of Hematopoietic Stem Cell Transplantation to Assess the Origin of Myelodysplastic Syndrome

Published on: October 3, 2018

Epidemiology and risk factors for infections in myelodysplastic syndromes

L R Sullivan1, M A Sekeres, N K Shrestha

  • 1Department of Infectious Disease, Medicine Institute, Cleveland Clinic, Cleveland, Ohio, USA.

Transplant Infectious Disease : an Official Journal of the Transplantation Society
|September 10, 2013
PubMed

Insights

Patients with myelodysplastic syndromes (MDS) face a 15% risk of infection within one year, impacting survival. Higher-risk MDS and specific comorbidities significantly increase infection risk.

Area of Science:

  • Hematology
  • Infectious Diseases
  • Epidemiology

Background:

  • Myelodysplastic syndromes (MDS) are a group of clonal hematopoietic stem cell disorders.
  • Infections are a major cause of morbidity and mortality in MDS patients.
  • Understanding epidemiology and risk factors for infection is crucial for patient management.

Purpose of the Study:

  • To describe the epidemiology of infections requiring hospitalization in MDS patients.
  • To identify significant risk factors associated with these infections.

Main Methods:

  • A case-control study was conducted.
  • 497 patients with MDS were identified, with 103 developing 201 infection episodes.
  • Statistical analysis included hazard ratios (HR) and confidence intervals (CI) to determine risk factors.

Main Results:

  • The probability of infection within 1 year of MDS diagnosis was 15%.
  • Significant risk factors included higher-risk MDS (HR=2.7), low absolute neutrophil count (HR=1.8), COPD (HR=2.6), prior malignancy (HR=2.0), and autoimmune disease (HR=2.9).
  • Pneumonia was the most common infection, predominantly caused by bacteria.

Conclusions:

  • Infections are common in MDS patients and associated with decreased survival.
  • Specific clinical factors and comorbidities significantly elevate infection risk in this population.
  • Targeted preventive strategies for high-risk MDS patients are warranted.
Keywords:
infectionmyelodysplastic syndromerisk factors

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