Lung volume reduction with vapor ablation in the presence of incomplete fissures: 12-month results from the STEP-UP randomized controlled study
<b><i>Background:</i></b> Emphysema patients with collateral ventilation (CV) will not benefit from valve therapy, the most common endoscopic lung volume reduction procedure. A recent randomized controlled trial (STEP-UP) of the alternative bronchoscopic thermal vapor ablatio...
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| Hauptverfasser: | , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
November 12, 2016
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| In: |
Respiration
Year: 2016, Jahrgang: 92, Heft: 6, Pages: 397-403 |
| ISSN: | 1423-0356 |
| DOI: | 10.1159/000452424 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1159/000452424 Verlag, lizenzpflichtig, Volltext: https://www.karger.com/Article/FullText/452424 
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| Verfasserangaben: | Daniela Gompelmann, Ralf Eberhardt, Maren Schuhmann, Arschang Valipour, Pallav L. Shah, Felix J.F. Herth, Konstantina Kontogianni |
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| 245 | 1 | 0 | |a Lung volume reduction with vapor ablation in the presence of incomplete fissures |b 12-month results from the STEP-UP randomized controlled study |c Daniela Gompelmann, Ralf Eberhardt, Maren Schuhmann, Arschang Valipour, Pallav L. Shah, Felix J.F. Herth, Konstantina Kontogianni |
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| 520 | |a <b><i>Background:</i></b> Emphysema patients with collateral ventilation (CV) will not benefit from valve therapy, the most common endoscopic lung volume reduction procedure. A recent randomized controlled trial (STEP-UP) of the alternative bronchoscopic thermal vapor ablation (BTVA) included patients with (CV+) and without interlobar CV (CV-). <b><i>Objectives:</i></b> This analysis evaluated the efficacy and safety of the CV+ population following BTVA. <b><i>Method:</i></b> A post hoc fissure analysis of the baseline computed tomography of all treatment and control patients was performed with the VIDA Diagnostics Apollo software. A patient was considered to be CV+ if either of the treated upper lobes was adjacent to a fissure that was <90% complete. The primary endpoints, forced expiratory volume in 1 s (FEV<sub>1</sub>) and St. George's Respiratory Questionnaire (SGRQ-C), were calculated for these CV+ patients following BTVA and safety results summarized. <b><i>Results:</i></b> 78% (35/45) of the patients in the treatment arm and 79% (19/24) of the patients in the control arm were found to be CV+. At 12 months, the FEV<sub>1</sub> improvement of the treatment arm was 9.2%, as compared with a decrease of 5.4% in the control group, resulting in a mean between-group difference of 14.6% (<i>p</i> = 0.0137). The improvement in SGRQ-C of the treatment arm as compared to the control arm was 8.4 points (<i>p</i> = 0.0712). An increase in respiratory related serious adverse events was observed immediately following treatment, but most resolved with routine care. <b><i>Conclusion:</i></b> BTVA can achieve safe and clinically meaningful improvement in pulmonary function and quality of life in patients with CV. These randomized controlled trial subgroup results offer proof of a viable solution for CV+ patients. | ||
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