Prognostic value of exercise right ventricular-pulmonary arterial coupling in primary mitral regurgitation
Abstract Background Exercise-induced pulmonary hypertension (mPAP/CO slope >3mmHg/L/min) was recently associated with worse outcome in >moderate PMR. However, the prognostic value of right ventricle to pulmonary artery coupling (RVPAc) is unknown. Purpose Assess the prognostic value of RVPAc;...
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| Veröffentlicht in: | European heart journal 2024-10, Vol.45 (Supplement_1) |
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| creator | Moura Ferreira, S Dhont, S Verwerft, J Bekhuis, Y Falter, M L'hoyes, W Hoedemakers, S Stassen, J Jasaityte, R Stroobants, S Claessen, G Bertrand, P Herbots, L |
| description | Abstract
Background
Exercise-induced pulmonary hypertension (mPAP/CO slope >3mmHg/L/min) was recently associated with worse outcome in >moderate PMR. However, the prognostic value of right ventricle to pulmonary artery coupling (RVPAc) is unknown.
Purpose
Assess the prognostic value of RVPAc; determine the additional value of exercise over rest RVPAc and compare these findings to the mPAP/CO slope.
Methods
Cohort study including consecutive pts submitted to CPET-echo with >moderate PMR, no/discordant symptoms, preserved LV function and without >moderate concomitant valvular disease or atrial fibrillation (AF). Thorough assessment of RV systolic function and RVPAc (TAPSE/sPAP ratio) was obtained by echocardiography using a dedicated RV window. mPAP and CO were obtained by Doppler echocardiography. Primary outcome was the composite of all-cause mortality, cardiovascular hospitalization (CVH), new-onset AF and valvular intervention; secondary outcome was the composite of CVH and new-onset AF.
Results
A total of 128 consecutive pts (64±11 years, 61% men) underwent CPET-echo. Event-free survival rate was 55% and 46% at 1 and 2 years. Pts that reached the primary combined endpoint were significantly older, had larger left atrium indexed volumes (LAVi), higher proportion of grade 4 MR, lower absolute and normalized peak VO2, and a significantly higher mPAP/CO slope (2,1±0,8 vs.3,7±2,6). They had a significantly lower rest and exercise TAPSE/sPAP, RV global and free wall longitudinal strain, rest and exercise TAPSE and exercise RV free wall S’. Rest and low exercise TAPSE/sPAP scored the highest accuracy in predicting the primary combined endpoint among variables statistically significant in the univariate analysis and therefore were used in the multivariate model. Sequentially adding rest and low exercise TAPSE/sPAP significantly improved the baseline predictive model (age, LAVi and MR grade). Low exercise TAPSE/sPAP and LAVi remained as significant independent variables in the multivariate model. They also correlated with new-onset AF and CVH; with rest and low exercise TAPSE/sPAP constituting significant steps (Fig 2). Replacing low exercise TAPSE/sPAP for mPAP/CO slope in the proposed model only slightly improved its accuracy in predicting the primary and secondary composite outcomes. Adding predicted peak VO2 (≥80% vs |
| doi_str_mv | 10.1093/eurheartj/ehae666.1821 |
| format | Article |
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Background
Exercise-induced pulmonary hypertension (mPAP/CO slope >3mmHg/L/min) was recently associated with worse outcome in >moderate PMR. However, the prognostic value of right ventricle to pulmonary artery coupling (RVPAc) is unknown.
Purpose
Assess the prognostic value of RVPAc; determine the additional value of exercise over rest RVPAc and compare these findings to the mPAP/CO slope.
Methods
Cohort study including consecutive pts submitted to CPET-echo with >moderate PMR, no/discordant symptoms, preserved LV function and without >moderate concomitant valvular disease or atrial fibrillation (AF). Thorough assessment of RV systolic function and RVPAc (TAPSE/sPAP ratio) was obtained by echocardiography using a dedicated RV window. mPAP and CO were obtained by Doppler echocardiography. Primary outcome was the composite of all-cause mortality, cardiovascular hospitalization (CVH), new-onset AF and valvular intervention; secondary outcome was the composite of CVH and new-onset AF.
Results
A total of 128 consecutive pts (64±11 years, 61% men) underwent CPET-echo. Event-free survival rate was 55% and 46% at 1 and 2 years. Pts that reached the primary combined endpoint were significantly older, had larger left atrium indexed volumes (LAVi), higher proportion of grade 4 MR, lower absolute and normalized peak VO2, and a significantly higher mPAP/CO slope (2,1±0,8 vs.3,7±2,6). They had a significantly lower rest and exercise TAPSE/sPAP, RV global and free wall longitudinal strain, rest and exercise TAPSE and exercise RV free wall S’. Rest and low exercise TAPSE/sPAP scored the highest accuracy in predicting the primary combined endpoint among variables statistically significant in the univariate analysis and therefore were used in the multivariate model. Sequentially adding rest and low exercise TAPSE/sPAP significantly improved the baseline predictive model (age, LAVi and MR grade). Low exercise TAPSE/sPAP and LAVi remained as significant independent variables in the multivariate model. They also correlated with new-onset AF and CVH; with rest and low exercise TAPSE/sPAP constituting significant steps (Fig 2). Replacing low exercise TAPSE/sPAP for mPAP/CO slope in the proposed model only slightly improved its accuracy in predicting the primary and secondary composite outcomes. Adding predicted peak VO2 (≥80% vs <80%) did not significantly improve the accuracy of any of the multivariate models. Low exercise TAPSE/sPAP and mPAP/CO slope both correlated well with peak VO2 and VE/VCO2 slope.
Conclusion
Decreased rest or exercise TAPSE/sPAP are single point measures of RVPAc, associated with adverse outcome in pts with >moderate PMR and no/discordant symptoms. Low exercise TAPSE/sPAP has independent additional value over rest TAPSE/sPAP in predicting adverse events, with a similar accuracy as mPAP/CO slope. Low exercise TAPSE/sPAP is a potential alternative to mPAP/CO slope in this population and it may be simpler to adopt in clinical practice.Central Illustration</description><identifier>ISSN: 0195-668X</identifier><identifier>EISSN: 1522-9645</identifier><identifier>DOI: 10.1093/eurheartj/ehae666.1821</identifier><language>eng</language><publisher>US: Oxford University Press</publisher><ispartof>European heart journal, 2024-10, Vol.45 (Supplement_1)</ispartof><rights>The Author(s) 2024. Published by Oxford University Press on behalf of the European Society of Cardiology. All rights reserved. For commercial re-use, please contact reprints@oup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink service via the Permissions link on the article page on our site—for further information please contact journals.permissions@oup.com. 2024</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Moura Ferreira, S</creatorcontrib><creatorcontrib>Dhont, S</creatorcontrib><creatorcontrib>Verwerft, J</creatorcontrib><creatorcontrib>Bekhuis, Y</creatorcontrib><creatorcontrib>Falter, M</creatorcontrib><creatorcontrib>L'hoyes, W</creatorcontrib><creatorcontrib>Hoedemakers, S</creatorcontrib><creatorcontrib>Stassen, J</creatorcontrib><creatorcontrib>Jasaityte, R</creatorcontrib><creatorcontrib>Stroobants, S</creatorcontrib><creatorcontrib>Claessen, G</creatorcontrib><creatorcontrib>Bertrand, P</creatorcontrib><creatorcontrib>Herbots, L</creatorcontrib><title>Prognostic value of exercise right ventricular-pulmonary arterial coupling in primary mitral regurgitation</title><title>European heart journal</title><description>Abstract
Background
Exercise-induced pulmonary hypertension (mPAP/CO slope >3mmHg/L/min) was recently associated with worse outcome in >moderate PMR. However, the prognostic value of right ventricle to pulmonary artery coupling (RVPAc) is unknown.
Purpose
Assess the prognostic value of RVPAc; determine the additional value of exercise over rest RVPAc and compare these findings to the mPAP/CO slope.
Methods
Cohort study including consecutive pts submitted to CPET-echo with >moderate PMR, no/discordant symptoms, preserved LV function and without >moderate concomitant valvular disease or atrial fibrillation (AF). Thorough assessment of RV systolic function and RVPAc (TAPSE/sPAP ratio) was obtained by echocardiography using a dedicated RV window. mPAP and CO were obtained by Doppler echocardiography. Primary outcome was the composite of all-cause mortality, cardiovascular hospitalization (CVH), new-onset AF and valvular intervention; secondary outcome was the composite of CVH and new-onset AF.
Results
A total of 128 consecutive pts (64±11 years, 61% men) underwent CPET-echo. Event-free survival rate was 55% and 46% at 1 and 2 years. Pts that reached the primary combined endpoint were significantly older, had larger left atrium indexed volumes (LAVi), higher proportion of grade 4 MR, lower absolute and normalized peak VO2, and a significantly higher mPAP/CO slope (2,1±0,8 vs.3,7±2,6). They had a significantly lower rest and exercise TAPSE/sPAP, RV global and free wall longitudinal strain, rest and exercise TAPSE and exercise RV free wall S’. Rest and low exercise TAPSE/sPAP scored the highest accuracy in predicting the primary combined endpoint among variables statistically significant in the univariate analysis and therefore were used in the multivariate model. Sequentially adding rest and low exercise TAPSE/sPAP significantly improved the baseline predictive model (age, LAVi and MR grade). Low exercise TAPSE/sPAP and LAVi remained as significant independent variables in the multivariate model. They also correlated with new-onset AF and CVH; with rest and low exercise TAPSE/sPAP constituting significant steps (Fig 2). Replacing low exercise TAPSE/sPAP for mPAP/CO slope in the proposed model only slightly improved its accuracy in predicting the primary and secondary composite outcomes. Adding predicted peak VO2 (≥80% vs <80%) did not significantly improve the accuracy of any of the multivariate models. Low exercise TAPSE/sPAP and mPAP/CO slope both correlated well with peak VO2 and VE/VCO2 slope.
Conclusion
Decreased rest or exercise TAPSE/sPAP are single point measures of RVPAc, associated with adverse outcome in pts with >moderate PMR and no/discordant symptoms. Low exercise TAPSE/sPAP has independent additional value over rest TAPSE/sPAP in predicting adverse events, with a similar accuracy as mPAP/CO slope. Low exercise TAPSE/sPAP is a potential alternative to mPAP/CO slope in this population and it may be simpler to adopt in clinical practice.Central Illustration</description><issn>0195-668X</issn><issn>1522-9645</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNqNkMtOwzAQRS0EEqXwC8g_kNbjJI69RBUvqRIsumAXOc4kdZXG1cSp4O9J1Yo1q1lcnTszh7FHEAsQJl3iSFu0FHdL3FpUSi1AS7hiM8ilTIzK8ms2E2DyRCn9dcvuhmEnhNAK1IztPim0fRiid_xouxF5aDh-Izk_ICffbiM_Yh_Ju7GzlBzGbh96Sz982ojkbcddGA-d71vue34gvz-Fex9pigjbkVofbfShv2c3je0GfLjMOdu8PG9Wb8n64_V99bROnDaQaIMmtRJsXWOhXYauMg5qzPI6l9pKk-aqsqLIitpUChEyA3UmC9S20k5hOmfqXOsoDANhU16OKkGUJ2Hln7DyIqw8CZtAOIPTP_9lfgEEd3hb</recordid><startdate>20241028</startdate><enddate>20241028</enddate><creator>Moura Ferreira, S</creator><creator>Dhont, S</creator><creator>Verwerft, J</creator><creator>Bekhuis, Y</creator><creator>Falter, M</creator><creator>L'hoyes, W</creator><creator>Hoedemakers, S</creator><creator>Stassen, J</creator><creator>Jasaityte, R</creator><creator>Stroobants, S</creator><creator>Claessen, G</creator><creator>Bertrand, P</creator><creator>Herbots, L</creator><general>Oxford University Press</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20241028</creationdate><title>Prognostic value of exercise right ventricular-pulmonary arterial coupling in primary mitral regurgitation</title><author>Moura Ferreira, S ; Dhont, S ; Verwerft, J ; Bekhuis, Y ; Falter, M ; L'hoyes, W ; Hoedemakers, S ; Stassen, J ; Jasaityte, R ; Stroobants, S ; Claessen, G ; Bertrand, P ; Herbots, L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c891-89e93a21adde78c4ecb9c1de45d528a29356ba0747d9b6ee1491d427e8ab8c6e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Moura Ferreira, S</creatorcontrib><creatorcontrib>Dhont, S</creatorcontrib><creatorcontrib>Verwerft, J</creatorcontrib><creatorcontrib>Bekhuis, Y</creatorcontrib><creatorcontrib>Falter, M</creatorcontrib><creatorcontrib>L'hoyes, W</creatorcontrib><creatorcontrib>Hoedemakers, S</creatorcontrib><creatorcontrib>Stassen, J</creatorcontrib><creatorcontrib>Jasaityte, R</creatorcontrib><creatorcontrib>Stroobants, S</creatorcontrib><creatorcontrib>Claessen, G</creatorcontrib><creatorcontrib>Bertrand, P</creatorcontrib><creatorcontrib>Herbots, L</creatorcontrib><collection>CrossRef</collection><jtitle>European heart journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Moura Ferreira, S</au><au>Dhont, S</au><au>Verwerft, J</au><au>Bekhuis, Y</au><au>Falter, M</au><au>L'hoyes, W</au><au>Hoedemakers, S</au><au>Stassen, J</au><au>Jasaityte, R</au><au>Stroobants, S</au><au>Claessen, G</au><au>Bertrand, P</au><au>Herbots, L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Prognostic value of exercise right ventricular-pulmonary arterial coupling in primary mitral regurgitation</atitle><jtitle>European heart journal</jtitle><date>2024-10-28</date><risdate>2024</risdate><volume>45</volume><issue>Supplement_1</issue><issn>0195-668X</issn><eissn>1522-9645</eissn><abstract>Abstract
Background
Exercise-induced pulmonary hypertension (mPAP/CO slope >3mmHg/L/min) was recently associated with worse outcome in >moderate PMR. However, the prognostic value of right ventricle to pulmonary artery coupling (RVPAc) is unknown.
Purpose
Assess the prognostic value of RVPAc; determine the additional value of exercise over rest RVPAc and compare these findings to the mPAP/CO slope.
Methods
Cohort study including consecutive pts submitted to CPET-echo with >moderate PMR, no/discordant symptoms, preserved LV function and without >moderate concomitant valvular disease or atrial fibrillation (AF). Thorough assessment of RV systolic function and RVPAc (TAPSE/sPAP ratio) was obtained by echocardiography using a dedicated RV window. mPAP and CO were obtained by Doppler echocardiography. Primary outcome was the composite of all-cause mortality, cardiovascular hospitalization (CVH), new-onset AF and valvular intervention; secondary outcome was the composite of CVH and new-onset AF.
Results
A total of 128 consecutive pts (64±11 years, 61% men) underwent CPET-echo. Event-free survival rate was 55% and 46% at 1 and 2 years. Pts that reached the primary combined endpoint were significantly older, had larger left atrium indexed volumes (LAVi), higher proportion of grade 4 MR, lower absolute and normalized peak VO2, and a significantly higher mPAP/CO slope (2,1±0,8 vs.3,7±2,6). They had a significantly lower rest and exercise TAPSE/sPAP, RV global and free wall longitudinal strain, rest and exercise TAPSE and exercise RV free wall S’. Rest and low exercise TAPSE/sPAP scored the highest accuracy in predicting the primary combined endpoint among variables statistically significant in the univariate analysis and therefore were used in the multivariate model. Sequentially adding rest and low exercise TAPSE/sPAP significantly improved the baseline predictive model (age, LAVi and MR grade). Low exercise TAPSE/sPAP and LAVi remained as significant independent variables in the multivariate model. They also correlated with new-onset AF and CVH; with rest and low exercise TAPSE/sPAP constituting significant steps (Fig 2). Replacing low exercise TAPSE/sPAP for mPAP/CO slope in the proposed model only slightly improved its accuracy in predicting the primary and secondary composite outcomes. Adding predicted peak VO2 (≥80% vs <80%) did not significantly improve the accuracy of any of the multivariate models. Low exercise TAPSE/sPAP and mPAP/CO slope both correlated well with peak VO2 and VE/VCO2 slope.
Conclusion
Decreased rest or exercise TAPSE/sPAP are single point measures of RVPAc, associated with adverse outcome in pts with >moderate PMR and no/discordant symptoms. Low exercise TAPSE/sPAP has independent additional value over rest TAPSE/sPAP in predicting adverse events, with a similar accuracy as mPAP/CO slope. Low exercise TAPSE/sPAP is a potential alternative to mPAP/CO slope in this population and it may be simpler to adopt in clinical practice.Central Illustration</abstract><cop>US</cop><pub>Oxford University Press</pub><doi>10.1093/eurheartj/ehae666.1821</doi></addata></record> |
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| source | Oxford University Press Journals All Titles (1996-Current) |
| title | Prognostic value of exercise right ventricular-pulmonary arterial coupling in primary mitral regurgitation |
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