DOI: 10.1101/508440Dec 31, 2018Paper

Characterization of Dyspnea in Lung Cancer Survivors Following Curative-Intent Therapy

BioRxiv : the Preprint Server for Biology
Duc Ha, Andrew L Ries

Abstract

Purpose: Dyspnea is highly-prevalent in lung cancer survivors following curative-intent therapy. We aimed to identify clinical determinants of dyspnea and characterize its relationship with functional exercise capacity (EC). Methods: In an analysis of data from a cross-sectional study of lung cancer survivors who completed curative-intent therapy for stage I-IIIA disease ≥1 month previously, we tested a thorough list of comorbidities, lung function, and lung cancer characteristics. We assessed dyspnea using the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Lung Cancer Module 13 (LC13) and functional EC the six-minute walk. We verified results with the University of California San Diego Shortness of Breath Questionnaire (SOBQ). Results: In 75 participants at a median of 12 months since completing treatment, the mean (SD) LC13-Dyspnea score was 35.3 (26.2); 60% had abnormally-high dyspnea. In multivariable linear regression analyses, significant clinical determinants of dyspnea were [β (95% confidence interval)]: psychiatric illness [-20.8 (-32.4, -9.09) for No/Yes], heart failure with reduced ejection fraction [-15.5 (-28.0, -2.97) for No/Yes], and forced expiratory volume in 1 second [...Continue Reading

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