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  • Title: Abnormalities of pulmonary function tests after marrow transplantation predict nonrelapse mortality.
    Author: Crawford SW, Pepe M, Lin D, Benedetti F, Deeg HJ.
    Journal: Am J Respir Crit Care Med; 1995 Aug; 152(2):690-5. PubMed ID: 7633727.
    Abstract:
    To determine whether pulmonary function test (PFT) results after marrow transplantation were predictive of nonrelapse mortality, a review was made of prospective, nonrandomized PFT results for association with nonrelapse mortality by log-rank test and Cox proportional hazards modeling. The setting was a tertiary referral center. The patients were all marrow recipients who performed PFT between Days 60 and 120 after marrow transplantation between July 1, 1983 and December 31, 1990 (n = 906). At 3 mo after transplantation, the mean values for total lung capacity (TLC) and diffusing capacity decreased, and restrictive ventilatory defects (TLC < 80% of predicted) were noted in 34% of the cohort. Airflow rates (FEV1/FVC) were unchanged. A restrictive lung defect at 3 mo after transplant or a significant decline (> or = 15%) in TLC from baseline despite remaining within the normal range was associated with a twofold increased risk of nonrelapse mortality. Neither airflow obstruction nor impairment in diffusing capacity was associated with an increased risk. Abnormalities of the TLC at 3 mo after transplant were associated with death with respiratory failure, but not with an increased risk of chronic graft-versus-host disease (GVHD). There is an increase in the nonrelapse mortality rate associated with either the presence of a restrictive defect 3 mo after marrow transplantation or a significant decline in lung volume compared with baseline. This effect is most pronounced more than 1 yr after marrow transplant and appears to be a result of an increase in the rate of death with respiratory failure, not chronic GVHD.(ABSTRACT TRUNCATED AT 250 WORDS)
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