The purpose of this study is to measure and accurately identify the presence and severity of gastroesphageal reflux disease (GERD), commonly called acid reflux, in idiopathic pulmonary fibrosis (IPF) patients using the Supraglottic Index (SGI).
The purpose of this study is to investigate inherited genetic factors that play a role in the development of familial pulmonary fibrosis and to identify a group of genes that predispose individuals to develop pulmonary fibrosis.