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Abnormal FeV1 and body mass index are associated with impaired cough-related quality of life in sarcoidosis patients
Respiratory Medicine  (IF3.415),  Pub Date : 2021-09-08, DOI: 10.1016/j.rmed.2021.106600
Björn C. Frye, Laura Potasso, Erik Farin, Urs Fichtner, Surrinder Birring, Joachim Müller-Quernheim, Jonas Christian Schupp

Sarcoidosis is a granulomatous disease that mainly manifests within the lungs and may thereby impair lung function. Beyond and independently from organ impairment, sarcoidosis may affect quality of life which can be quantified by questionnaires. The Leicester Cough Questionnaire (LCQ) has been developed to assess cough-related quality of life. We analysed data from a prospectively collected cohort of sarcoidosis patients for validation of the German LCQ version. Our analyses demonstrated that LCQ values add additional information beyond routinely monitored parameters (e.g. lung function). Only FeV1 and BMI slightly influence LCQ scores, where all other parameters tested did not correlate with LCQ scores. In summary, LCQ is a valuable tool providing information on the patient’ quality of life beyond routine follow-up parameters. FeV1 and BMI may represent treatable traits to reduce cough-related disease burden.