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. 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. Ausführliche Beschreibung

Gespeichert in:

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]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2020

Übergeordnetes Werk:	In: Therapeutic Advances in Respiratory Disease - SAGE Publishing, 2018, 14(2020)
Übergeordnetes Werk:	volume:14 ; year:2020

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1177/1753466620932507

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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allfields	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
spelling	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
allfields_unstemmed	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
allfieldsGer	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
allfieldsSound	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
language	English
source	In Therapeutic Advances in Respiratory Disease 14(2020) volume:14 year:2020
sourceStr	In Therapeutic Advances in Respiratory Disease 14(2020) volume:14 year:2020
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Diseases of the respiratory system
isfreeaccess_bool	true
container_title	Therapeutic Advances in Respiratory Disease
authorswithroles_txt_mv	Johannes Wienker @@aut@@ Rüdiger Karpf-Wissel @@aut@@ Faustina Funke @@aut@@ Christian Taube @@aut@@ Julia Wälscher @@aut@@ Jane Winantea @@aut@@ Sandra Maier @@aut@@ Khaled Mardanzai @@aut@@ Kaid Darwiche @@aut@@
publishDateDaySort_date	2020-01-01T00:00:00Z
hierarchy_top_id	543991563
id	DOAJ042024056
language_de	englisch
fullrecord	<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">DOAJ042024056</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230501195200.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">230227s2020 xx \|\|\|\|\|o 00\| \|\|eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1177/1753466620932507</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)DOAJ042024056</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)DOAJ7f2ef697fb164072b7e8475b053472c2</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="050" ind1=" " ind2="0"><subfield code="a">RC705-779</subfield></datafield><datafield tag="100" ind1="0" ind2=" "><subfield code="a">Johannes Wienker</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Predictive value of Chartis measurement for lung function improvements in bronchoscopic lung volume reduction</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2020</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="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. 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callnumber-first	R - Medicine
author	Johannes Wienker
spellingShingle	Johannes Wienker misc RC705-779 misc Diseases of the respiratory system Predictive value of Chartis measurement for lung function improvements in bronchoscopic lung volume reduction
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topic_title	RC705-779 Predictive value of Chartis measurement for lung function improvements in bronchoscopic lung volume reduction
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topic_unstemmed	misc RC705-779 misc Diseases of the respiratory system
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title	Predictive value of Chartis measurement for lung function improvements in bronchoscopic lung volume reduction
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title_full	Predictive value of Chartis measurement for lung function improvements in bronchoscopic lung volume reduction
author_sort	Johannes Wienker
journal	Therapeutic Advances in Respiratory Disease
journalStr	Therapeutic Advances in Respiratory Disease
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author_browse	Johannes Wienker Rüdiger Karpf-Wissel Faustina Funke Christian Taube Julia Wälscher Jane Winantea Sandra Maier Khaled Mardanzai Kaid Darwiche
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format_se	Elektronische Aufsätze
author-letter	Johannes Wienker
doi_str_mv	10.1177/1753466620932507
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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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Predictive value of Chartis measurement for lung function improvements in bronchoscopic lung volume reduction

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