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Chest, Vol 102, 1484-1490, Copyright © 1992 by American College of Chest Physicians
ARTICLES |
DA Horak, GM Schmidt, JA Zaia, JC Niland, C Ahn and SJ Forman
Department of Respiratory Diseases, City of Hope National Medical Center, Duarte, CA 91010.
STUDY OBJECTIVE: To determine the value of pulmonary function tests (PFTs) in predicting the development of human cytomegalovirus (CMV)- associated interstitial pneumonia (IP) in allogeneic bone marrow transplant (BMT) recipients. DESIGN: Nonrandomized, prospective, open- trial study. SETTING: Tertiary referral medical center. PATIENTS: 66 evaluable CMV-seropositive patients with hematologic malignancies who were undergoing allogeneic BMT. INTERVENTION: FEV1, FVC, FEV1/FVC, TLC, Dcoc/VA, PaO2, and P(A-a)O2 were measured on days -13, +33, and +44 following BMT. CMV-IP was diagnosed when typical roentgenographic findings developed with confirmatory positive bronchoalveolar lavage (BAL) using standard cytologic and/or rapid culture techniques. MEASUREMENT AND MAIN RESULTS: Univariate logistic regression analysis to predict the development of CMV-IP revealed significant associations with the day -13 and +33 percent predicted FEV1, FVC, and TLC (p < 0.01) but no associations with other PFT parameters or with changes in these parameters. Stepwise logistic regression analysis demonstrated that only BAL positivity for CMV (odds ratio 14.8; p = 0.0002) and day - 13 percent predicted FEV1 (odds ratio 0.92; p = 0.0004) were significant independent predictors of CMV-IP. CONCLUSION: Pretransplant lung function is a previously unrecognized strong predictor and risk factor for the subsequent development of CMV-IP in BMT recipients.
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