Predictive value of Chartis measurement for lung function improvements in bronchoscopic lung volume reduction
Background: Bronchoscopic lung volume reduction (BLVR) via valve implantation can be achieved by targeting severely hyperinflated and emphysematously destructed lung areas in patients with chronic obstructive lung disease. Lack of collateral ventilation (CV) is important for good outcomes with BLVR....
Ausführliche Beschreibung
Autor*in: |
Johannes Wienker [verfasserIn] Rüdiger Karpf-Wissel [verfasserIn] Faustina Funke [verfasserIn] Christian Taube [verfasserIn] Julia Wälscher [verfasserIn] Jane Winantea [verfasserIn] Sandra Maier [verfasserIn] Khaled Mardanzai [verfasserIn] Kaid Darwiche [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2020 |
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Übergeordnetes Werk: |
In: Therapeutic Advances in Respiratory Disease - SAGE Publishing, 2018, 14(2020) |
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Übergeordnetes Werk: |
volume:14 ; year:2020 |
Links: |
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DOI / URN: |
10.1177/1753466620932507 |
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Katalog-ID: |
DOAJ042024056 |
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520 | |a Background: Bronchoscopic lung volume reduction (BLVR) via valve implantation can be achieved by targeting severely hyperinflated and emphysematously destructed lung areas in patients with chronic obstructive lung disease. Lack of collateral ventilation (CV) is important for good outcomes with BLVR. CV can be measured using the catheter-based Chartis system. The aim of this study was to evaluate the correlation between total exhaled volume drained from the target lobe measured by Chartis and clinical outcomes after BLVR in CV-negative patients. Methods: From January 2016 to March 2019, 60 patients were included in this retrospective single-center analysis. Drained volume (TVol) measured by Chartis was recorded and compared with lung function and physical performance parameters. Outcome variables included the percentage change in lung function [forced expiratory volume in 1 s (FEV 1 ), residual volume (RV), and inspiratory vital capacity (IVC)]. Secondary outcomes were the degree of target lobe volume reduction (TLVR), change in 6-min walk distance (6MWD), and change in chronic obstructive pulmonary disease (COPD) assessment test (CAT) score. Results: Drained volume correlated significantly with post-BLVR change in FEV 1 ( r = 0.663), IVC ( r = 0.611), RV ( r = −0.368), and TLVR ( r = 0.635) (all p < 0.05). In a priori -defined patient subgroups based on drained volume [<100 ml ( n = 19), 100−400 ml ( n = 33), and <400 ml ( n = 8)]; mean changes in FEV 1 were 2.6%, 17.4%, and 51.3%; in RV were −3.9%, −10.6%, and −23.8%; in IVC were −4.0%, 10.6%, and 62.4%; and in TLVR were 525 ml (39%), 1375 ml (73%) and 1760 ml (100%), respectively. There were no significant correlations between absolute and percentage changes in 6MWD and the CAT score. Lung volume reduction was diagnosed in 32 (53%) cases. Conclusion: Drained volume measured by the Chartis system correlated with functional improvement in CV-negative patients undergoing BLVR. The reviews of this paper are available via the supplemental material section. | ||
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10.1177/1753466620932507 doi (DE-627)DOAJ042024056 (DE-599)DOAJ7f2ef697fb164072b7e8475b053472c2 DE-627 ger DE-627 rakwb eng RC705-779 Johannes Wienker verfasserin aut Predictive value of Chartis measurement for lung function improvements in bronchoscopic lung volume reduction 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Bronchoscopic lung volume reduction (BLVR) via valve implantation can be achieved by targeting severely hyperinflated and emphysematously destructed lung areas in patients with chronic obstructive lung disease. Lack of collateral ventilation (CV) is important for good outcomes with BLVR. CV can be measured using the catheter-based Chartis system. The aim of this study was to evaluate the correlation between total exhaled volume drained from the target lobe measured by Chartis and clinical outcomes after BLVR in CV-negative patients. Methods: From January 2016 to March 2019, 60 patients were included in this retrospective single-center analysis. Drained volume (TVol) measured by Chartis was recorded and compared with lung function and physical performance parameters. Outcome variables included the percentage change in lung function [forced expiratory volume in 1 s (FEV 1 ), residual volume (RV), and inspiratory vital capacity (IVC)]. Secondary outcomes were the degree of target lobe volume reduction (TLVR), change in 6-min walk distance (6MWD), and change in chronic obstructive pulmonary disease (COPD) assessment test (CAT) score. Results: Drained volume correlated significantly with post-BLVR change in FEV 1 ( r = 0.663), IVC ( r = 0.611), RV ( r = −0.368), and TLVR ( r = 0.635) (all p < 0.05). In a priori -defined patient subgroups based on drained volume [<100 ml ( n = 19), 100−400 ml ( n = 33), and <400 ml ( n = 8)]; mean changes in FEV 1 were 2.6%, 17.4%, and 51.3%; in RV were −3.9%, −10.6%, and −23.8%; in IVC were −4.0%, 10.6%, and 62.4%; and in TLVR were 525 ml (39%), 1375 ml (73%) and 1760 ml (100%), respectively. There were no significant correlations between absolute and percentage changes in 6MWD and the CAT score. Lung volume reduction was diagnosed in 32 (53%) cases. Conclusion: Drained volume measured by the Chartis system correlated with functional improvement in CV-negative patients undergoing BLVR. The reviews of this paper are available via the supplemental material section. Diseases of the respiratory system Rüdiger Karpf-Wissel verfasserin aut Faustina Funke verfasserin aut Christian Taube verfasserin aut Julia Wälscher verfasserin aut Jane Winantea verfasserin aut Sandra Maier verfasserin aut Khaled Mardanzai verfasserin aut Kaid Darwiche verfasserin aut In Therapeutic Advances in Respiratory Disease SAGE Publishing, 2018 14(2020) (DE-627)543991563 (DE-600)2387506-9 17534666 nnns volume:14 year:2020 https://doi.org/10.1177/1753466620932507 kostenfrei https://doaj.org/article/7f2ef697fb164072b7e8475b053472c2 kostenfrei https://doi.org/10.1177/1753466620932507 kostenfrei https://doaj.org/toc/1753-4666 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_250 GBV_ILN_285 GBV_ILN_293 GBV_ILN_374 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2704 GBV_ILN_2707 GBV_ILN_2889 GBV_ILN_2890 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2020 |
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10.1177/1753466620932507 doi (DE-627)DOAJ042024056 (DE-599)DOAJ7f2ef697fb164072b7e8475b053472c2 DE-627 ger DE-627 rakwb eng RC705-779 Johannes Wienker verfasserin aut Predictive value of Chartis measurement for lung function improvements in bronchoscopic lung volume reduction 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Bronchoscopic lung volume reduction (BLVR) via valve implantation can be achieved by targeting severely hyperinflated and emphysematously destructed lung areas in patients with chronic obstructive lung disease. Lack of collateral ventilation (CV) is important for good outcomes with BLVR. CV can be measured using the catheter-based Chartis system. The aim of this study was to evaluate the correlation between total exhaled volume drained from the target lobe measured by Chartis and clinical outcomes after BLVR in CV-negative patients. Methods: From January 2016 to March 2019, 60 patients were included in this retrospective single-center analysis. Drained volume (TVol) measured by Chartis was recorded and compared with lung function and physical performance parameters. Outcome variables included the percentage change in lung function [forced expiratory volume in 1 s (FEV 1 ), residual volume (RV), and inspiratory vital capacity (IVC)]. Secondary outcomes were the degree of target lobe volume reduction (TLVR), change in 6-min walk distance (6MWD), and change in chronic obstructive pulmonary disease (COPD) assessment test (CAT) score. Results: Drained volume correlated significantly with post-BLVR change in FEV 1 ( r = 0.663), IVC ( r = 0.611), RV ( r = −0.368), and TLVR ( r = 0.635) (all p < 0.05). In a priori -defined patient subgroups based on drained volume [<100 ml ( n = 19), 100−400 ml ( n = 33), and <400 ml ( n = 8)]; mean changes in FEV 1 were 2.6%, 17.4%, and 51.3%; in RV were −3.9%, −10.6%, and −23.8%; in IVC were −4.0%, 10.6%, and 62.4%; and in TLVR were 525 ml (39%), 1375 ml (73%) and 1760 ml (100%), respectively. There were no significant correlations between absolute and percentage changes in 6MWD and the CAT score. Lung volume reduction was diagnosed in 32 (53%) cases. Conclusion: Drained volume measured by the Chartis system correlated with functional improvement in CV-negative patients undergoing BLVR. The reviews of this paper are available via the supplemental material section. Diseases of the respiratory system Rüdiger Karpf-Wissel verfasserin aut Faustina Funke verfasserin aut Christian Taube verfasserin aut Julia Wälscher verfasserin aut Jane Winantea verfasserin aut Sandra Maier verfasserin aut Khaled Mardanzai verfasserin aut Kaid Darwiche verfasserin aut In Therapeutic Advances in Respiratory Disease SAGE Publishing, 2018 14(2020) (DE-627)543991563 (DE-600)2387506-9 17534666 nnns volume:14 year:2020 https://doi.org/10.1177/1753466620932507 kostenfrei https://doaj.org/article/7f2ef697fb164072b7e8475b053472c2 kostenfrei https://doi.org/10.1177/1753466620932507 kostenfrei https://doaj.org/toc/1753-4666 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_250 GBV_ILN_285 GBV_ILN_293 GBV_ILN_374 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2704 GBV_ILN_2707 GBV_ILN_2889 GBV_ILN_2890 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2020 |
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10.1177/1753466620932507 doi (DE-627)DOAJ042024056 (DE-599)DOAJ7f2ef697fb164072b7e8475b053472c2 DE-627 ger DE-627 rakwb eng RC705-779 Johannes Wienker verfasserin aut Predictive value of Chartis measurement for lung function improvements in bronchoscopic lung volume reduction 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Bronchoscopic lung volume reduction (BLVR) via valve implantation can be achieved by targeting severely hyperinflated and emphysematously destructed lung areas in patients with chronic obstructive lung disease. Lack of collateral ventilation (CV) is important for good outcomes with BLVR. CV can be measured using the catheter-based Chartis system. The aim of this study was to evaluate the correlation between total exhaled volume drained from the target lobe measured by Chartis and clinical outcomes after BLVR in CV-negative patients. Methods: From January 2016 to March 2019, 60 patients were included in this retrospective single-center analysis. Drained volume (TVol) measured by Chartis was recorded and compared with lung function and physical performance parameters. Outcome variables included the percentage change in lung function [forced expiratory volume in 1 s (FEV 1 ), residual volume (RV), and inspiratory vital capacity (IVC)]. Secondary outcomes were the degree of target lobe volume reduction (TLVR), change in 6-min walk distance (6MWD), and change in chronic obstructive pulmonary disease (COPD) assessment test (CAT) score. Results: Drained volume correlated significantly with post-BLVR change in FEV 1 ( r = 0.663), IVC ( r = 0.611), RV ( r = −0.368), and TLVR ( r = 0.635) (all p < 0.05). In a priori -defined patient subgroups based on drained volume [<100 ml ( n = 19), 100−400 ml ( n = 33), and <400 ml ( n = 8)]; mean changes in FEV 1 were 2.6%, 17.4%, and 51.3%; in RV were −3.9%, −10.6%, and −23.8%; in IVC were −4.0%, 10.6%, and 62.4%; and in TLVR were 525 ml (39%), 1375 ml (73%) and 1760 ml (100%), respectively. There were no significant correlations between absolute and percentage changes in 6MWD and the CAT score. Lung volume reduction was diagnosed in 32 (53%) cases. Conclusion: Drained volume measured by the Chartis system correlated with functional improvement in CV-negative patients undergoing BLVR. The reviews of this paper are available via the supplemental material section. Diseases of the respiratory system Rüdiger Karpf-Wissel verfasserin aut Faustina Funke verfasserin aut Christian Taube verfasserin aut Julia Wälscher verfasserin aut Jane Winantea verfasserin aut Sandra Maier verfasserin aut Khaled Mardanzai verfasserin aut Kaid Darwiche verfasserin aut In Therapeutic Advances in Respiratory Disease SAGE Publishing, 2018 14(2020) (DE-627)543991563 (DE-600)2387506-9 17534666 nnns volume:14 year:2020 https://doi.org/10.1177/1753466620932507 kostenfrei https://doaj.org/article/7f2ef697fb164072b7e8475b053472c2 kostenfrei https://doi.org/10.1177/1753466620932507 kostenfrei https://doaj.org/toc/1753-4666 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_250 GBV_ILN_285 GBV_ILN_293 GBV_ILN_374 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2704 GBV_ILN_2707 GBV_ILN_2889 GBV_ILN_2890 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2020 |
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10.1177/1753466620932507 doi (DE-627)DOAJ042024056 (DE-599)DOAJ7f2ef697fb164072b7e8475b053472c2 DE-627 ger DE-627 rakwb eng RC705-779 Johannes Wienker verfasserin aut Predictive value of Chartis measurement for lung function improvements in bronchoscopic lung volume reduction 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Bronchoscopic lung volume reduction (BLVR) via valve implantation can be achieved by targeting severely hyperinflated and emphysematously destructed lung areas in patients with chronic obstructive lung disease. Lack of collateral ventilation (CV) is important for good outcomes with BLVR. CV can be measured using the catheter-based Chartis system. The aim of this study was to evaluate the correlation between total exhaled volume drained from the target lobe measured by Chartis and clinical outcomes after BLVR in CV-negative patients. Methods: From January 2016 to March 2019, 60 patients were included in this retrospective single-center analysis. Drained volume (TVol) measured by Chartis was recorded and compared with lung function and physical performance parameters. Outcome variables included the percentage change in lung function [forced expiratory volume in 1 s (FEV 1 ), residual volume (RV), and inspiratory vital capacity (IVC)]. Secondary outcomes were the degree of target lobe volume reduction (TLVR), change in 6-min walk distance (6MWD), and change in chronic obstructive pulmonary disease (COPD) assessment test (CAT) score. Results: Drained volume correlated significantly with post-BLVR change in FEV 1 ( r = 0.663), IVC ( r = 0.611), RV ( r = −0.368), and TLVR ( r = 0.635) (all p < 0.05). In a priori -defined patient subgroups based on drained volume [<100 ml ( n = 19), 100−400 ml ( n = 33), and <400 ml ( n = 8)]; mean changes in FEV 1 were 2.6%, 17.4%, and 51.3%; in RV were −3.9%, −10.6%, and −23.8%; in IVC were −4.0%, 10.6%, and 62.4%; and in TLVR were 525 ml (39%), 1375 ml (73%) and 1760 ml (100%), respectively. There were no significant correlations between absolute and percentage changes in 6MWD and the CAT score. Lung volume reduction was diagnosed in 32 (53%) cases. Conclusion: Drained volume measured by the Chartis system correlated with functional improvement in CV-negative patients undergoing BLVR. The reviews of this paper are available via the supplemental material section. Diseases of the respiratory system Rüdiger Karpf-Wissel verfasserin aut Faustina Funke verfasserin aut Christian Taube verfasserin aut Julia Wälscher verfasserin aut Jane Winantea verfasserin aut Sandra Maier verfasserin aut Khaled Mardanzai verfasserin aut Kaid Darwiche verfasserin aut In Therapeutic Advances in Respiratory Disease SAGE Publishing, 2018 14(2020) (DE-627)543991563 (DE-600)2387506-9 17534666 nnns volume:14 year:2020 https://doi.org/10.1177/1753466620932507 kostenfrei https://doaj.org/article/7f2ef697fb164072b7e8475b053472c2 kostenfrei https://doi.org/10.1177/1753466620932507 kostenfrei https://doaj.org/toc/1753-4666 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_250 GBV_ILN_285 GBV_ILN_293 GBV_ILN_374 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2704 GBV_ILN_2707 GBV_ILN_2889 GBV_ILN_2890 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2020 |
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10.1177/1753466620932507 doi (DE-627)DOAJ042024056 (DE-599)DOAJ7f2ef697fb164072b7e8475b053472c2 DE-627 ger DE-627 rakwb eng RC705-779 Johannes Wienker verfasserin aut Predictive value of Chartis measurement for lung function improvements in bronchoscopic lung volume reduction 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Bronchoscopic lung volume reduction (BLVR) via valve implantation can be achieved by targeting severely hyperinflated and emphysematously destructed lung areas in patients with chronic obstructive lung disease. Lack of collateral ventilation (CV) is important for good outcomes with BLVR. CV can be measured using the catheter-based Chartis system. The aim of this study was to evaluate the correlation between total exhaled volume drained from the target lobe measured by Chartis and clinical outcomes after BLVR in CV-negative patients. Methods: From January 2016 to March 2019, 60 patients were included in this retrospective single-center analysis. Drained volume (TVol) measured by Chartis was recorded and compared with lung function and physical performance parameters. Outcome variables included the percentage change in lung function [forced expiratory volume in 1 s (FEV 1 ), residual volume (RV), and inspiratory vital capacity (IVC)]. Secondary outcomes were the degree of target lobe volume reduction (TLVR), change in 6-min walk distance (6MWD), and change in chronic obstructive pulmonary disease (COPD) assessment test (CAT) score. Results: Drained volume correlated significantly with post-BLVR change in FEV 1 ( r = 0.663), IVC ( r = 0.611), RV ( r = −0.368), and TLVR ( r = 0.635) (all p < 0.05). In a priori -defined patient subgroups based on drained volume [<100 ml ( n = 19), 100−400 ml ( n = 33), and <400 ml ( n = 8)]; mean changes in FEV 1 were 2.6%, 17.4%, and 51.3%; in RV were −3.9%, −10.6%, and −23.8%; in IVC were −4.0%, 10.6%, and 62.4%; and in TLVR were 525 ml (39%), 1375 ml (73%) and 1760 ml (100%), respectively. There were no significant correlations between absolute and percentage changes in 6MWD and the CAT score. Lung volume reduction was diagnosed in 32 (53%) cases. Conclusion: Drained volume measured by the Chartis system correlated with functional improvement in CV-negative patients undergoing BLVR. The reviews of this paper are available via the supplemental material section. Diseases of the respiratory system Rüdiger Karpf-Wissel verfasserin aut Faustina Funke verfasserin aut Christian Taube verfasserin aut Julia Wälscher verfasserin aut Jane Winantea verfasserin aut Sandra Maier verfasserin aut Khaled Mardanzai verfasserin aut Kaid Darwiche verfasserin aut In Therapeutic Advances in Respiratory Disease SAGE Publishing, 2018 14(2020) (DE-627)543991563 (DE-600)2387506-9 17534666 nnns volume:14 year:2020 https://doi.org/10.1177/1753466620932507 kostenfrei https://doaj.org/article/7f2ef697fb164072b7e8475b053472c2 kostenfrei https://doi.org/10.1177/1753466620932507 kostenfrei https://doaj.org/toc/1753-4666 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_250 GBV_ILN_285 GBV_ILN_293 GBV_ILN_374 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2704 GBV_ILN_2707 GBV_ILN_2889 GBV_ILN_2890 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2020 |
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author2-role |
verfasserin |
title_sort |
predictive value of chartis measurement for lung function improvements in bronchoscopic lung volume reduction |
callnumber |
RC705-779 |
title_auth |
Predictive value of Chartis measurement for lung function improvements in bronchoscopic lung volume reduction |
abstract |
Background: Bronchoscopic lung volume reduction (BLVR) via valve implantation can be achieved by targeting severely hyperinflated and emphysematously destructed lung areas in patients with chronic obstructive lung disease. Lack of collateral ventilation (CV) is important for good outcomes with BLVR. CV can be measured using the catheter-based Chartis system. The aim of this study was to evaluate the correlation between total exhaled volume drained from the target lobe measured by Chartis and clinical outcomes after BLVR in CV-negative patients. Methods: From January 2016 to March 2019, 60 patients were included in this retrospective single-center analysis. Drained volume (TVol) measured by Chartis was recorded and compared with lung function and physical performance parameters. Outcome variables included the percentage change in lung function [forced expiratory volume in 1 s (FEV 1 ), residual volume (RV), and inspiratory vital capacity (IVC)]. Secondary outcomes were the degree of target lobe volume reduction (TLVR), change in 6-min walk distance (6MWD), and change in chronic obstructive pulmonary disease (COPD) assessment test (CAT) score. Results: Drained volume correlated significantly with post-BLVR change in FEV 1 ( r = 0.663), IVC ( r = 0.611), RV ( r = −0.368), and TLVR ( r = 0.635) (all p < 0.05). In a priori -defined patient subgroups based on drained volume [<100 ml ( n = 19), 100−400 ml ( n = 33), and <400 ml ( n = 8)]; mean changes in FEV 1 were 2.6%, 17.4%, and 51.3%; in RV were −3.9%, −10.6%, and −23.8%; in IVC were −4.0%, 10.6%, and 62.4%; and in TLVR were 525 ml (39%), 1375 ml (73%) and 1760 ml (100%), respectively. There were no significant correlations between absolute and percentage changes in 6MWD and the CAT score. Lung volume reduction was diagnosed in 32 (53%) cases. Conclusion: Drained volume measured by the Chartis system correlated with functional improvement in CV-negative patients undergoing BLVR. The reviews of this paper are available via the supplemental material section. |
abstractGer |
Background: Bronchoscopic lung volume reduction (BLVR) via valve implantation can be achieved by targeting severely hyperinflated and emphysematously destructed lung areas in patients with chronic obstructive lung disease. Lack of collateral ventilation (CV) is important for good outcomes with BLVR. CV can be measured using the catheter-based Chartis system. The aim of this study was to evaluate the correlation between total exhaled volume drained from the target lobe measured by Chartis and clinical outcomes after BLVR in CV-negative patients. Methods: From January 2016 to March 2019, 60 patients were included in this retrospective single-center analysis. Drained volume (TVol) measured by Chartis was recorded and compared with lung function and physical performance parameters. Outcome variables included the percentage change in lung function [forced expiratory volume in 1 s (FEV 1 ), residual volume (RV), and inspiratory vital capacity (IVC)]. Secondary outcomes were the degree of target lobe volume reduction (TLVR), change in 6-min walk distance (6MWD), and change in chronic obstructive pulmonary disease (COPD) assessment test (CAT) score. Results: Drained volume correlated significantly with post-BLVR change in FEV 1 ( r = 0.663), IVC ( r = 0.611), RV ( r = −0.368), and TLVR ( r = 0.635) (all p < 0.05). In a priori -defined patient subgroups based on drained volume [<100 ml ( n = 19), 100−400 ml ( n = 33), and <400 ml ( n = 8)]; mean changes in FEV 1 were 2.6%, 17.4%, and 51.3%; in RV were −3.9%, −10.6%, and −23.8%; in IVC were −4.0%, 10.6%, and 62.4%; and in TLVR were 525 ml (39%), 1375 ml (73%) and 1760 ml (100%), respectively. There were no significant correlations between absolute and percentage changes in 6MWD and the CAT score. Lung volume reduction was diagnosed in 32 (53%) cases. Conclusion: Drained volume measured by the Chartis system correlated with functional improvement in CV-negative patients undergoing BLVR. The reviews of this paper are available via the supplemental material section. |
abstract_unstemmed |
Background: Bronchoscopic lung volume reduction (BLVR) via valve implantation can be achieved by targeting severely hyperinflated and emphysematously destructed lung areas in patients with chronic obstructive lung disease. Lack of collateral ventilation (CV) is important for good outcomes with BLVR. CV can be measured using the catheter-based Chartis system. The aim of this study was to evaluate the correlation between total exhaled volume drained from the target lobe measured by Chartis and clinical outcomes after BLVR in CV-negative patients. Methods: From January 2016 to March 2019, 60 patients were included in this retrospective single-center analysis. Drained volume (TVol) measured by Chartis was recorded and compared with lung function and physical performance parameters. Outcome variables included the percentage change in lung function [forced expiratory volume in 1 s (FEV 1 ), residual volume (RV), and inspiratory vital capacity (IVC)]. Secondary outcomes were the degree of target lobe volume reduction (TLVR), change in 6-min walk distance (6MWD), and change in chronic obstructive pulmonary disease (COPD) assessment test (CAT) score. Results: Drained volume correlated significantly with post-BLVR change in FEV 1 ( r = 0.663), IVC ( r = 0.611), RV ( r = −0.368), and TLVR ( r = 0.635) (all p < 0.05). In a priori -defined patient subgroups based on drained volume [<100 ml ( n = 19), 100−400 ml ( n = 33), and <400 ml ( n = 8)]; mean changes in FEV 1 were 2.6%, 17.4%, and 51.3%; in RV were −3.9%, −10.6%, and −23.8%; in IVC were −4.0%, 10.6%, and 62.4%; and in TLVR were 525 ml (39%), 1375 ml (73%) and 1760 ml (100%), respectively. There were no significant correlations between absolute and percentage changes in 6MWD and the CAT score. Lung volume reduction was diagnosed in 32 (53%) cases. Conclusion: Drained volume measured by the Chartis system correlated with functional improvement in CV-negative patients undergoing BLVR. The reviews of this paper are available via the supplemental material section. |
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title_short |
Predictive value of Chartis measurement for lung function improvements in bronchoscopic lung volume reduction |
url |
https://doi.org/10.1177/1753466620932507 https://doaj.org/article/7f2ef697fb164072b7e8475b053472c2 https://doaj.org/toc/1753-4666 |
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Rüdiger Karpf-Wissel Faustina Funke Christian Taube Julia Wälscher Jane Winantea Sandra Maier Khaled Mardanzai Kaid Darwiche |
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up_date |
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