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Technology update: bronchoscopic thermal vapor ablation for managing severe emphysema

Authors Gompelmann D, Eberhardt R, Herth F

Received 1 July 2014

Accepted for publication 12 August 2014

Published 30 September 2014 Volume 2014:7 Pages 335—341

DOI https://doi.org/10.2147/MDER.S49369

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Editor who approved publication: Dr Scott Fraser


Daniela Gompelmann,1,2 Ralf Eberhardt,1,2 Felix JF Herth1,2

1Pneumology and Critical Care Medicine, Thoraxklinik at University of Heidelberg, 2German Center for Lung Research, Heidelberg, Germany

Abstract: Bronchoscopic thermal vapor ablation (BTVA) is an endoscopic lung volume reduction therapy that presents an effective treatment approach in patients with severe upper lobe-predominant emphysema. By instillation of heated water vapor, an inflammatory reaction is induced, leading to fibrosis and scarring of the lung parenchyma, resulting in lobar volume reduction. Clinical single-arm trials demonstrated great outcomes, with significant improvement of lung function, exercise capacity, and quality of life. As the BTVA-induced local inflammatory response that seems to be essential for the desired lobar volume reduction can be associated with transient clinical worsening, strict monitoring of the patients is required. In future, the balance between efficacy and safety will constitute a major challenge. This review summarizes the BTVA procedure, the mechanism of action, and the results of the clinical trials, including the efficacy and safety data.

Keywords: emphysema, bronchoscopy, bronchoscopic thermal vapor ablation

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