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Pulmonary complications in hematopoietic SCT: a prospective study
C M Lucena1, A Torres2, M Rovira3
11] Pneumology Department, Hospital Clínic, Barcelona, Spain [2] Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.
Bone Marrow Transplantation
|July 22, 2014
Summary
Pulmonary complications are a major threat after hematopoietic stem cell transplantation (HSCT), often leading to death. Prompt diagnosis and management are crucial for improving survival rates in HSCT patients.
Area of Science:
- Hematology
- Pulmonology
- Infectious Diseases
Background:
- Pulmonary complications are frequent and life-threatening in hematopoietic stem cell transplantation (HSCT) recipients.
- Effective management strategies are essential for improving patient outcomes.
Purpose of the Study:
- To prospectively evaluate the causes, diagnostic methods, risk factors, and outcomes of pulmonary complications in HSCT recipients over one year.
- To assess the diagnostic yield of a structured algorithm including non-invasive and bronchoscopic procedures.
Main Methods:
- A prospective interventional study followed 169 HSCT recipients for one year.
- A diagnostic algorithm involving non-invasive tests and bronchoscopy was applied to patients with pulmonary complications.
- Etiology, diagnostic procedures, risk factors, and outcomes were recorded.
Main Results:
- 73 pulmonary complications were identified in 169 patients, with pneumonia being the most common (68%).
- Viruses (Rhinovirus) and bacteria (P. aeruginosa) were the leading causes of pneumonia.
- A specific diagnosis was achieved in 83% of cases; early bronchoscopy (<5 days) showed a higher diagnostic yield (78%) for infections compared to late bronchoscopy (23%).
- Overall mortality was 22%, with 32% of deaths attributed to pulmonary complications.
Conclusions:
- Pulmonary complications are a significant cause of mortality in HSCT recipients.
- An early and systematic diagnostic approach, including bronchoscopy, is vital for effective management and improved survival.
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