{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,2]],"date-time":"2026-02-02T18:19:35Z","timestamp":1770056375553,"version":"3.49.0"},"reference-count":28,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2010,2,15]],"date-time":"2010-02-15T00:00:00Z","timestamp":1266192000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2010,3,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Aims<\/jats:title>\n                    <jats:p>To evaluate right-ventricular (RV) function during stress echocardiography (SE) and to assess its relationship with exercise capacity in heart failure (HF) patients.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods and results<\/jats:title>\n                    <jats:p>We included 88 patients aged 60.9 \u00b1 11.2 years with a mean LVEF of 27.2 \u00b1 9.5%. The following RV parameters were measured at baseline and peak exercise during semi-supine SE: velocity (IVV) and acceleration during isovolumic contraction (IVA), S\u2032, E\u2032, A\u2032, and ratio of early diastolic tricuspid velocity to E\u2032 (E\/E\u2032) and longitudinal strain and strain rate. Patients were stratified into two groups according to their VO2peak values: group 1 (n = 35) with VO2peak &amp;lt;14 mL\/kg\/min and group 2 (n = 53) with VO2peak \u226514 mL\/kg\/min. At rest, all analysed variables were similar in the two groups, but during stress IVV, S\u2032, and E\u2032 were significantly higher and the E\/E\u2032 ratio significantly lower in group 2. In broad terms, parameters measured at stress correlated much better with VO2peak than parameters assessed at baseline. However, results of multivariable analysis determined that the independent predictors of VO2peak were solely the left-ventricular (LV) parameters: E\/E\u2032 and S\u2032.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Right-ventricular function (whether at rest or during stress tests) was not significantly associated with exercise capacity in our patients with HF. In contrast, systolic and, to a greater extent, diastolic LV parameters during the stress tests emerged as the most important indicators linked to exercise capacity in HF.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1093\/eurjhf\/hfp200","type":"journal-article","created":{"date-parts":[[2010,1,15]],"date-time":"2010-01-15T20:46:23Z","timestamp":1263588383000},"page":"260-267","source":"Crossref","is-referenced-by-count":16,"title":["The Dynamic Assessment of Right-Ventricular Function and its Relation to Exercise Capacity in Heart Failure"],"prefix":"10.1093","volume":"12","author":[{"given":"Pawe\u0142","family":"Rubi\u015b","sequence":"first","affiliation":[{"name":"Department of Cardiac and Vascular Disease in John Paul II Hospital, Institute of Cardiology, Faculty of Medicine, Jagiellonian University , Krakow ,","place":["Poland"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Piotr","family":"Podolec","sequence":"additional","affiliation":[{"name":"Department of Cardiac and Vascular Disease in John Paul II Hospital, Institute of Cardiology, Faculty of Medicine, Jagiellonian University , Krakow ,","place":["Poland"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Grzegorz","family":"Kope\u0107","sequence":"additional","affiliation":[{"name":"Department of Cardiac and Vascular Disease in John Paul II Hospital, Institute of Cardiology, Faculty of Medicine, Jagiellonian University , Krakow ,","place":["Poland"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maria","family":"Olszowska","sequence":"additional","affiliation":[{"name":"Department of Cardiac and Vascular Disease in John Paul II Hospital, Institute of Cardiology, Faculty of Medicine, Jagiellonian University , Krakow ,","place":["Poland"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Wies\u0142awa","family":"Tracz","sequence":"additional","affiliation":[{"name":"Department of Cardiac and Vascular Disease in John Paul II Hospital, Institute of Cardiology, Faculty of Medicine, Jagiellonian University , Krakow ,","place":["Poland"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2010,2,15]]},"reference":[{"key":"2026020203361010100_ejhfhfp200-bib-0001","doi-asserted-by":"crossref","first-page":"948","DOI":"10.1016\/S0735-1097(98)00337-4","article-title":"Right ventricular ejection fraction is an independent predictor of survival in patients with moderate heart failure","volume":"32","author":"De Groote","year":"1998","journal-title":"J Am Coll Cardiol"},{"key":"2026020203361010100_ejhfhfp200-bib-0002","doi-asserted-by":"crossref","first-page":"447","DOI":"10.1016\/0146-2806(87)90023-5","article-title":"Right ventricular function in health and disease","volume":"12","author":"Barnard","year":"1987","journal-title":"Curr Probl Cardiol"},{"key":"2026020203361010100_ejhfhfp200-bib-0003","doi-asserted-by":"crossref","first-page":"194","DOI":"10.1067\/mje.2000.103106","article-title":"Normal regional right ventricular function and its change with age: a Doppler myocardial imaging study","volume":"13","author":"Kukulski","year":"2000","journal-title":"J Am Soc Echocardiogr"},{"key":"2026020203361010100_ejhfhfp200-bib-0004","doi-asserted-by":"crossref","first-page":"933","DOI":"10.1016\/j.ejheart.2008.08.005","article-title":"ESC Guidelines for the diagnosis and treatment of acute and chronic heart failure 2008 The Task Force for the Diagnosis and Treatment of Acute and Chronic Heart Failure 2008 of the European Society of Cardiology. 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