In selected patients with emphysema endobronchial valve placement results in improvements in lung function similar to that seen with lung volume reduction surgery, an independent randomised trial finds. The single-centre, double-blind sham-controlled BeLieVeR-HIFi study involved 50 stable outpatients with both heterogeneous emphysema and a target lobe with intact interlobar fissures on CT of the thorax. Participants were ...
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