Endoscopic lung volume reduction coil treatment in patients with very low FEV1 : an observational study
Abstract
Endoscopic lung volume reduction coil (LVRC) treatment is a therapeutic option for selected patients with advanced emphysema. The effects and the safety of endoscopic lung volume reduction in patients with very low forced expired volume in one second (FEV1) remain to be determined. This study was conducted to assess the effects and the safety of LVRC treatment in patients with very low FEV1. The study was performed as a retrospective observational study in the Department of Respiratory Medicine at the University Medical Center Hamburg-Eppendorf on patients with very low FEV1, defined as an FEV1 ⩽ 20% of predicted at baseline in whom LVRC treatment was performed between 1 April 2012 and 28 February 2017. LVRC treatment was performed in 33 patients with very low FEV1. Of these, 45.5% were female and 54.5% were male. At baseline, mean FEV1 was 0.46 ± 0.12 liters (15 ± 3% of predicted), mean forced vital capacity (FVC) was 1.61 ± 0.62 liters (42 ± 13% of predicted), mean residual volume (RV) was 6.03 ± 0.81 liters (275 ± 51% of predicted) and 6-minute walk distance was 229 ± 102 m. Bilateral LVRC treatment was completed in 21 of these patients (63.6%). Bilateral LVRC treatment led to significant improvements in functional parameter...Continue Reading
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A randomized trial comparing lung-volume-reduction surgery with medical therapy for severe emphysema
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