Background And Objectives: Strategies to improve the efficiency of bronchoalveolar lavage (BAL) are needed. We conducted a study to establish the diagnostic value of BAL in patients with hematological malignancies and pulmonary infiltrates.
Patients And Methods: The correlation of cytologic and flow cytometric study of BAL with the microbiological findings and the clinical evolution was determined.
Results: Seventy BAL were performed and flow cytometric study was analyzed in 23 of them. Fifty-three patients did not present any adverse event attributable to BAL. Anti-infectious therapy was modified in 64 (91%) patients. T lymphocyte count >0.3×10/l in peripheral blood was associated with longer OS at 3 years (53 vs. 22%, p=.009). Higher CD4 (>20/μL) and CD8 (>35/μL) lymphocyte counts in the BAL were associated with a longer OS at 3 years: 82 vs. 21% (p=.030) and 80 vs. 23% (p=.059).
Conclusions: Our study confirms the clinical value of BAL for treatment decision making in patients with hematological malignancies and acute respiratory failure.
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