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Bronchiolitis associated with bone marrow transplantation

S W Crawford1, J G Clark

  • 1Pulmonary and Critical Care Medicine Program, Fred Hutchinson Cancer Research Center, Seattle, Washington.

Clinics in Chest Medicine
|December 1, 1993
PubMed
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New airflow obstruction after bone marrow transplant (BMT) affects up to 11% of survivors with chronic graft-versus-host disease (GVHD). Risk factors include chronic GVHD, methotrexate, and older recipient age, with multifactorial causes.

Area of Science:

  • Hematology
  • Immunology
  • Pulmonology

Background:

  • New onset airflow obstruction is a common complication following bone marrow transplant (BMT).
  • It affects up to 11% of long-term survivors, particularly those with chronic graft-versus-host disease (GVHD).
  • Histopathology often reveals bronchiolitis or obliterative bronchiolitis.

Purpose of the Study:

  • To identify risk factors for new onset airflow obstruction post-BMT.
  • To understand the underlying mechanisms and clinical course of this complication.
  • To inform potential interventions for managing airway disorders after BMT.

Main Methods:

  • Review of clinical data and histopathology from BMT survivors.
  • Identification of primary risk factors associated with airflow obstruction.

Related Experiment Videos

  • Analysis of the multifactorial causes, including immune interactions.

    • Main Results:

    • Key risk factors identified: clinical chronic GVHD, methotrexate use, and older recipient age.
    • Donor cytotoxic T-lymphocyte interaction with host cells is a likely contributing factor.
    • Clinical course varies, with severe obstruction often being fatal.

    Conclusions:

    • Improved chronic GVHD control may reduce the incidence of this airway disorder.
    • Interventions should focus on immune suppression and managing associated infections.
    • Understanding risk factors is crucial for preventing and treating post-BMT airflow obstruction.