{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T11:22:02Z","timestamp":1790767322044,"version":"4.1.0"},"reference-count":24,"publisher":"European Respiratory Society (ERS)","issue":"2","license":[{"start":{"date-parts":[[2022,1,7]],"date-time":"2022-01-07T00:00:00Z","timestamp":1641513600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.ersjournals.com\/user-licence"}],"content-domain":{"domain":["publications.ersnet.org"],"crossmark-restriction":true},"short-container-title":["Eur Respir J"],"accepted":{"date-parts":[[2021,12,10]]},"published-print":{"date-parts":[[2022,8]]},"abstract":"<jats:sec><jats:title>Background<\/jats:title><jats:p>According to current guidelines, the diagnosis of pulmonary hypertension (PH) relies on echocardiographic probability followed by right heart catheterisation (RHC). How echocardiography predicts PH recently redefined by mean pulmonary arterial pressure (mPAP) &gt;20\u2005mmHg instead of \u226525\u2005mmHg and pulmonary vascular disease defined by pulmonary vascular resistance (PVR) \u22653 or &gt;2\u2005WU has not been established.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A total of 278 patients referred for PH underwent comprehensive echocardiography followed by RHC. 15 patients (5.4%) were excluded because of insufficient quality echocardiography.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>With PH defined by mPAP &gt;20\u2005mmHg, 23 patients had no PH, 146 had pre-capillary PH and 94 had post-capillary PH. At univariate analysis, maximum tricuspid regurgitation velocity (TRV) 2.9\u20133.4 m\u00b7s<jats:sup>\u22121<\/jats:sup>, left ventricle (LV) eccentricity index &gt;1.1, right ventricle outflow tract acceleration time (RVOT-AT) &lt;105\u2005ms or notching, RV\/LV basal diameter &gt;1 and pulmonary artery diameter predicted PH, whereas inferior vena cava diameter and right atrial area did not. At multivariable analysis, only TRV \u22652.9\u2005m\u00b7s<jats:sup>\u22121<\/jats:sup>independently predicted PH. Additional independent prediction of PVR \u22653\u2005WU was offered by LV eccentricity index &gt;1.1, and RVOT-AT &lt;105\u2005ms and\/or notching, but with no improvement of optimal combination of specificity and sensitivity or positive prediction.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Echocardiography as recommended in current guidelines can be used to assess the probability of redefined PH in a referral centre. However, the added value of indirect signs is modest and sufficient quality echocardiographic signals may not be recovered in some patients.<\/jats:p><\/jats:sec>","DOI":"10.1183\/13993003.02548-2021","type":"journal-article","created":{"date-parts":[[2022,1,7]],"date-time":"2022-01-07T11:50:20Z","timestamp":1641556220000},"page":"2102548","update-policy":"https:\/\/doi.org\/10.1183\/ers-crossmark-policy","source":"Crossref","is-referenced-by-count":72,"title":["Echocardiographic probability of pulmonary hypertension: a validation study"],"prefix":"10.1183","volume":"60","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5729-1038","authenticated-orcid":false,"given":"Michele","family":"D'Alto","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8665-9890","authenticated-orcid":false,"given":"Marco","family":"Di 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