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10:01
Development of Obliterative Bronchiolitis in a Murine Model of Orthotopic Lung Transplantation
Published on: July 10, 2012
Pulmonary complications after hematopoietic stem cell transplantation
Do Hyoung Lim1, Jeeyun Lee, Hong Ghi Lee
1Division of Hematology-Oncology, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Korea.
Journal of Korean Medical Science
|June 17, 2006
Summary
Pulmonary complications affect over 25% of hematopoietic stem cell transplant (HSCT) recipients, leading to significant mortality. Allogeneic transplants and graft-versus-host disease (GVHD) are key risk factors for these serious lung issues.
Area of Science:
- Hematology
- Pulmonology
- Transplantation Medicine
Background:
- Pulmonary complications remain a significant cause of morbidity and mortality in hematopoietic stem cell transplantation (HSCT) recipients, despite prophylaxis.
- Understanding the causes, incidence, and risk factors is crucial for improving patient outcomes.
Purpose of the Study:
- To investigate the causes, incidence, mortality rates, and risk factors of pulmonary complications following HSCT.
- To analyze the spectrum of infectious and non-infectious pulmonary conditions post-transplant.
Main Methods:
- Retrospective review of medical records for 287 patients undergoing autologous or allogeneic HSCT between February 1996 and October 2003.
- Categorization of pulmonary complications by timing (pre-engraftment, early, late) and type (infectious, non-infectious).
Main Results:
- Pulmonary complications occurred in 25.4% of patients (73/287).
- Infectious causes (54.8%) were more frequent than non-infectious causes (39.7%).
- Overall mortality from pulmonary complications was 28.8%, with allogeneic transplant, acute GVHD (grade II-IV), and extensive chronic GVHD identified as significant risk factors.
Conclusions:
- Pulmonary complications post-HSCT are frequent and associated with high mortality.
- Viral pneumonia, fungal pneumonia, diffuse alveolar hemorrhage, and idiopathic pneumonia syndrome contribute significantly to mortality.
- Identifying and managing risk factors like GVHD is critical for reducing pulmonary complication-related deaths.
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