How common is sleep-disordered breathing in patients with idiopathic pulmonary fibrosis?

Background and aim The frequency of obstructive sleep apnea–hypopnea syndrome (OSAHS) in patients with idiopathic pulmonary fibrosis (IPF) remains controversial. The aim of this study was to assess the frequency of OSAHS in newly diagnosed IPF patients and to identify possible correlations with body mass index and pulmonary function testing parameters.