Improving Lung Function in Severe Heterogenous Emphysema with the Spiration Valve System (EMPROVE). A Multicenter, Open-Label Randomized Controlled Clinical Trial

Gerard J. Criner , Antoine Delage, Kirk Voelker et al https://doi.org/10.1164/rccm.201902-0383OC Methods: In this multicenter, open-label, randomized, controlled trial, subjects aged 40 years or older with severe, heterogeneous emphysema were randomized 2:1 to SVS Continue Reading →