Endoscopic Lung Volume Reduction in Relation to Body Mass Index in Patients with Severe Heterogeneous Emphysema

Background: In chronic obstructive pulmonary disease (COPD), body mass index (BMI) is significantly lower in the emphysema-dominant type. Endoscopic lung volume reduction (ELVR) is an innovative way of treating severe emphysema. However, the specific associations of low BMI values and outcomes of EL...

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Veröffentlicht in:Respiration 2020-07, Vol.99 (6), p.477-483
Hauptverfasser: Fernandez-Bussy, Sebastian, Kornafeld, Anna, Labarca, Gonzalo, Abia-Trujillo, David, Patel, Neal M., Herth, Felix J.F.
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container_end_page 483
container_issue 6
container_start_page 477
container_title Respiration
container_volume 99
creator Fernandez-Bussy, Sebastian
Kornafeld, Anna
Labarca, Gonzalo
Abia-Trujillo, David
Patel, Neal M.
Herth, Felix J.F.
description Background: In chronic obstructive pulmonary disease (COPD), body mass index (BMI) is significantly lower in the emphysema-dominant type. Endoscopic lung volume reduction (ELVR) is an innovative way of treating severe emphysema. However, the specific associations of low BMI values and outcomes of ELVR is not well-studied. Objectives: We evaluated associations between initial BMI and changes in major outcomes after endobronchial valve (EBV) placement in patients with heterogeneous severe emphysema. Methods: In a retrospective cohort study, patients were divided into 2 groups based on their baseline BMI (higher BMI ≥21 kg/m 2 [n = 18] and lower BMI
doi_str_mv 10.1159/000507591
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Endoscopic lung volume reduction (ELVR) is an innovative way of treating severe emphysema. However, the specific associations of low BMI values and outcomes of ELVR is not well-studied. Objectives: We evaluated associations between initial BMI and changes in major outcomes after endobronchial valve (EBV) placement in patients with heterogeneous severe emphysema. Methods: In a retrospective cohort study, patients were divided into 2 groups based on their baseline BMI (higher BMI ≥21 kg/m 2 [n = 18] and lower BMI &lt;21 kg/m 2 [n = 63]). Demographics, procedure data, pulmonary function test and 6-min-walk test (6MWT), dyspnea score (according to the modified Medical Research Council [mMRC] scale), BODE (BMI, airflow obstruction, dyspnea, exercise capacity) index, and complications were recorded. After 6 months, changes in variables (dWeight and dBMI) were recorded. Results: Comparing the 2 groups, we found the following: a dWeight of –2.34 kg and +3.39 kg (p value &lt;0.01) and a dBMI of –0.74 and +1.99 kg/m 2 , in the higher BMI and lower BMI group, respectively (p value &lt;0.01). Changes in forced expiratory volume &lt;1 s (FEV 1 ), 6MWT, mMRC score, and BODE index were not statistically significant. The most common complication was pneumothorax. The lower BMI group experienced more complications than the higher BMI group (40 vs. 24%). Conclusion: Baseline BMI is relevant when selecting candidates for ELVR. Our results show that the COPD patients with a lower BMI gained a significant amount of weight, thus increasing their BMI after the procedure. The rate of complications was higher in the lower BMI group. These findings should alert physicians and encourage nutritional assessment in this population.</description><identifier>ISSN: 0025-7931</identifier><identifier>EISSN: 1423-0356</identifier><identifier>DOI: 10.1159/000507591</identifier><identifier>PMID: 32492686</identifier><language>eng</language><publisher>Basel, Switzerland: S. Karger AG</publisher><subject>Analysis ; Body mass index ; Diagnosis ; Emphysema, Pulmonary ; Health aspects ; Interventional Pulmonology ; Patient outcomes ; Pulmonary function tests ; Risk factors</subject><ispartof>Respiration, 2020-07, Vol.99 (6), p.477-483</ispartof><rights>2020 S. Karger AG, Basel</rights><rights>COPYRIGHT 2020 S. Karger AG</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c409t-bcbe10137af736e15c08695bc6a45581e14a88e124de0a417d964fe3cf7b39873</citedby><cites>FETCH-LOGICAL-c409t-bcbe10137af736e15c08695bc6a45581e14a88e124de0a417d964fe3cf7b39873</cites><orcidid>0000-0002-0069-3420 ; 0000-0002-2064-292X ; 0000-0002-7638-2506</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,778,782,2425,27913,27914</link.rule.ids></links><search><creatorcontrib>Fernandez-Bussy, Sebastian</creatorcontrib><creatorcontrib>Kornafeld, Anna</creatorcontrib><creatorcontrib>Labarca, Gonzalo</creatorcontrib><creatorcontrib>Abia-Trujillo, David</creatorcontrib><creatorcontrib>Patel, Neal M.</creatorcontrib><creatorcontrib>Herth, Felix J.F.</creatorcontrib><title>Endoscopic Lung Volume Reduction in Relation to Body Mass Index in Patients with Severe Heterogeneous Emphysema</title><title>Respiration</title><addtitle>Respiration</addtitle><description>Background: In chronic obstructive pulmonary disease (COPD), body mass index (BMI) is significantly lower in the emphysema-dominant type. Endoscopic lung volume reduction (ELVR) is an innovative way of treating severe emphysema. However, the specific associations of low BMI values and outcomes of ELVR is not well-studied. Objectives: We evaluated associations between initial BMI and changes in major outcomes after endobronchial valve (EBV) placement in patients with heterogeneous severe emphysema. Methods: In a retrospective cohort study, patients were divided into 2 groups based on their baseline BMI (higher BMI ≥21 kg/m 2 [n = 18] and lower BMI &lt;21 kg/m 2 [n = 63]). Demographics, procedure data, pulmonary function test and 6-min-walk test (6MWT), dyspnea score (according to the modified Medical Research Council [mMRC] scale), BODE (BMI, airflow obstruction, dyspnea, exercise capacity) index, and complications were recorded. After 6 months, changes in variables (dWeight and dBMI) were recorded. Results: Comparing the 2 groups, we found the following: a dWeight of –2.34 kg and +3.39 kg (p value &lt;0.01) and a dBMI of –0.74 and +1.99 kg/m 2 , in the higher BMI and lower BMI group, respectively (p value &lt;0.01). Changes in forced expiratory volume &lt;1 s (FEV 1 ), 6MWT, mMRC score, and BODE index were not statistically significant. The most common complication was pneumothorax. The lower BMI group experienced more complications than the higher BMI group (40 vs. 24%). Conclusion: Baseline BMI is relevant when selecting candidates for ELVR. Our results show that the COPD patients with a lower BMI gained a significant amount of weight, thus increasing their BMI after the procedure. The rate of complications was higher in the lower BMI group. These findings should alert physicians and encourage nutritional assessment in this population.</description><subject>Analysis</subject><subject>Body mass index</subject><subject>Diagnosis</subject><subject>Emphysema, Pulmonary</subject><subject>Health aspects</subject><subject>Interventional Pulmonology</subject><subject>Patient outcomes</subject><subject>Pulmonary function tests</subject><subject>Risk factors</subject><issn>0025-7931</issn><issn>1423-0356</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNpt0Utv1DAQAGALgei2cODOwVIlBIcUO37EPpZqoZUWgVrgGnmdyW4gsVPboey_x9ugFZUqH_yYb2xrBqFXlJxRKvR7QoggldD0CVpQXrKCMCGfogUhpSgqzegROo7xJyFUKFU-R0es5LqUSi6QX7rGR-vHzuLV5Db4h--nAfA1NJNNnXe4c3nTm_t18viDb3b4s4kRX7kG_uzDX3MQXIr4rktbfAO_IQC-hATBb8CBnyJeDuN2F2EwL9Cz1vQRXv6bT9D3j8tvF5fF6sunq4vzVWE50alY2zVQQlll2opJoMISJbVYW2m4EIoC5UYpoCVvgBhOq0ZL3gKzbbVmWlXsBL2d7x2Dv50gpnroooW-N_cfqsv8jOSClzrT05luTA9151qfgrF7Xp9LqTUnVMmszh5ReTQwdNY7aLt8_iDhzX8JWzB92sZc3H0h40P4boY2-BgDtPUYusGEXU1Jve9vfehvtq9n-8uEDYSDPIRPHw1fL29mUY9Ny_4Coo2otQ</recordid><startdate>20200701</startdate><enddate>20200701</enddate><creator>Fernandez-Bussy, Sebastian</creator><creator>Kornafeld, Anna</creator><creator>Labarca, Gonzalo</creator><creator>Abia-Trujillo, David</creator><creator>Patel, Neal M.</creator><creator>Herth, Felix J.F.</creator><general>S. Karger AG</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0002-0069-3420</orcidid><orcidid>https://orcid.org/0000-0002-2064-292X</orcidid><orcidid>https://orcid.org/0000-0002-7638-2506</orcidid></search><sort><creationdate>20200701</creationdate><title>Endoscopic Lung Volume Reduction in Relation to Body Mass Index in Patients with Severe Heterogeneous Emphysema</title><author>Fernandez-Bussy, Sebastian ; Kornafeld, Anna ; Labarca, Gonzalo ; Abia-Trujillo, David ; Patel, Neal M. ; Herth, Felix J.F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c409t-bcbe10137af736e15c08695bc6a45581e14a88e124de0a417d964fe3cf7b39873</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Analysis</topic><topic>Body mass index</topic><topic>Diagnosis</topic><topic>Emphysema, Pulmonary</topic><topic>Health aspects</topic><topic>Interventional Pulmonology</topic><topic>Patient outcomes</topic><topic>Pulmonary function tests</topic><topic>Risk factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fernandez-Bussy, Sebastian</creatorcontrib><creatorcontrib>Kornafeld, Anna</creatorcontrib><creatorcontrib>Labarca, Gonzalo</creatorcontrib><creatorcontrib>Abia-Trujillo, David</creatorcontrib><creatorcontrib>Patel, Neal M.</creatorcontrib><creatorcontrib>Herth, Felix J.F.</creatorcontrib><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Respiration</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fernandez-Bussy, Sebastian</au><au>Kornafeld, Anna</au><au>Labarca, Gonzalo</au><au>Abia-Trujillo, David</au><au>Patel, Neal M.</au><au>Herth, Felix J.F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Endoscopic Lung Volume Reduction in Relation to Body Mass Index in Patients with Severe Heterogeneous Emphysema</atitle><jtitle>Respiration</jtitle><addtitle>Respiration</addtitle><date>2020-07-01</date><risdate>2020</risdate><volume>99</volume><issue>6</issue><spage>477</spage><epage>483</epage><pages>477-483</pages><issn>0025-7931</issn><eissn>1423-0356</eissn><abstract>Background: In chronic obstructive pulmonary disease (COPD), body mass index (BMI) is significantly lower in the emphysema-dominant type. Endoscopic lung volume reduction (ELVR) is an innovative way of treating severe emphysema. However, the specific associations of low BMI values and outcomes of ELVR is not well-studied. Objectives: We evaluated associations between initial BMI and changes in major outcomes after endobronchial valve (EBV) placement in patients with heterogeneous severe emphysema. Methods: In a retrospective cohort study, patients were divided into 2 groups based on their baseline BMI (higher BMI ≥21 kg/m 2 [n = 18] and lower BMI &lt;21 kg/m 2 [n = 63]). Demographics, procedure data, pulmonary function test and 6-min-walk test (6MWT), dyspnea score (according to the modified Medical Research Council [mMRC] scale), BODE (BMI, airflow obstruction, dyspnea, exercise capacity) index, and complications were recorded. After 6 months, changes in variables (dWeight and dBMI) were recorded. Results: Comparing the 2 groups, we found the following: a dWeight of –2.34 kg and +3.39 kg (p value &lt;0.01) and a dBMI of –0.74 and +1.99 kg/m 2 , in the higher BMI and lower BMI group, respectively (p value &lt;0.01). Changes in forced expiratory volume &lt;1 s (FEV 1 ), 6MWT, mMRC score, and BODE index were not statistically significant. The most common complication was pneumothorax. The lower BMI group experienced more complications than the higher BMI group (40 vs. 24%). Conclusion: Baseline BMI is relevant when selecting candidates for ELVR. Our results show that the COPD patients with a lower BMI gained a significant amount of weight, thus increasing their BMI after the procedure. The rate of complications was higher in the lower BMI group. These findings should alert physicians and encourage nutritional assessment in this population.</abstract><cop>Basel, Switzerland</cop><pub>S. 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subjects Analysis
Body mass index
Diagnosis
Emphysema, Pulmonary
Health aspects
Interventional Pulmonology
Patient outcomes
Pulmonary function tests
Risk factors
title Endoscopic Lung Volume Reduction in Relation to Body Mass Index in Patients with Severe Heterogeneous Emphysema
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