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  • Title: Association of increased bronchoalveolar lavage fluid albumin and serum beta 2-microglobulin with pulmonary complications after allogeneic bone marrow transplantation.
    Author: Kreuzfelder E, Quabeck K, Braun M, Weber W, Westhoff U, Schaefer UW, Bruch J, Costabel U, Grosse-Wilde H.
    Journal: Bone Marrow Transplant; 1995 Aug; 16(2):249-52. PubMed ID: 7581143.
    Abstract:
    The aim of this prospective study was to identify markers in bronchoalveolar lavage fluid (BAL fluid) and serum predictive for the development of pulmonary complications in the early phase (< 50 days) post-BMT. Concentrations of BAL fluid albumin (alb) and serum beta 2-microglobulin (S-beta 2m,) were determined 10 days before BMT (BAL-B, baseline) and on day 1 post-BMT (BAL-1) in 20 patients who subsequently developed pulmonary complications (group 1) and in 66 patients who remained free of complications for a minimum of 12 months (group 2). Median BAL fluid alb concentrations were significantly (P < 0.05) higher in group 1 patients as compared to group 2 patients at BAL-B (40 vs 28 mg/l) and at BAL-1 (30 vs 15 mg/l). S-beta 2m at BAL-1 was also significantly elevated in group 1 patients (median 1.3 mg/l) compared to group 2 patients (median 1.15 mg/l). Using cut-off values for BAL fluid alb (> 23 mg/l) and S-beta 2m (> 0.8 mg/l) we identified 12 patients out of 19 who developed subsequent pulmonary complications from 12 out of 62 patients without such complications, 1 day post-BMT.
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