Journal
LUNG CANCER
Volume 96, Issue -, Pages 63-67Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.lungcan.2016.03.017
Keywords
Forced vital capacity; Idiopathic pulmonary fibrosis; Interstitial lung diseases; Lung cancer; Risk factors
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Objectives: Although acute exacerbation of pre-existing interstitial lung disease (AE-ILD) associated with cytotoxic chemotherapy has been recognized as a severe complication in lung cancer treatment, its risk factors have not been fully studied. Materials and methods: Among lung cancer patients receiving cytotoxic chemotherapy, patients with preexisting ILD were identified based on the pretreatment high-resolution computed tomography (HRCT) findings. Chemotherapy-associated AE-ILD was defined as deterioration or development of dyspnea and HRCT findings of new bilateral ground-glass attenuations with without non-segmental consolidation superimposed on pre-existing interstitial shadows, without evidence of pulmonary infection, congestion, or pulmonary embolism, within four weeks after the last administration of chemotherapy. Baseline characteristics were reviewed and the risk factors for chemotherapy-associated AE-ILD were evaluated by logistic regression analyses. Results: Among 85 patients identified as having pre-existing ILD, chemotherapy-associated AE-ILD occurred in 26 patients (30.6%); 8 patients died and 11 patients had a severely deteriorated general condition despite intensive treatment. Compared with those without AE-ILD, patients with AE-ILD had significantly lower forced vital capacity (FVC) (median: 91.1% versus 76.6%, P=0.01). Univariate and multivariate logistic regression analyses identified baseline lower FVC and non-small cell lung cancer (NSCLC) as the risk factors for this severe event (odds ratio of FVC: 0.97, 95% confidence interval: 0.94-0.99; odds ratio of NSCLC: 4.65, 95% confidence interval: 1.10-19.76). Conclusion: Chemotherapy-associated AE-ILD was a frequent and lethal complication in lung cancer treatment for patients with pre-existing ILD. Spirometric assessment of pulmonary function may be useful to predict the event. (C) 2016 Elsevier Ireland Ltd. All rights reserved.
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