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Please use this identifier to cite or link to this item: https://olympias.lib.uoi.gr/jspui/handle/123456789/21663
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dc.contributor.authorVlahos, A. P.en
dc.contributor.authorFeinstein, J. A.en
dc.contributor.authorSchiller, N. B.en
dc.contributor.authorSilverman, N. H.en
dc.date.accessioned2015-11-24T19:16:26Z-
dc.date.available2015-11-24T19:16:26Z-
dc.identifier.issn1097-6795-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/21663-
dc.rightsDefault Licence-
dc.subjectAdolescenten
dc.subjectAdulten
dc.subjectChilden
dc.subjectChild, Preschoolen
dc.subject*Echocardiography, Doppleren
dc.subjectFeasibility Studiesen
dc.subjectFemaleen
dc.subjectHeart Catheterizationen
dc.subjectHeart Ventricles/physiopathology/ultrasonographyen
dc.subjectHemodynamicsen
dc.subjectHumansen
dc.subjectHypertension, Pulmonary/physiopathology/*ultrasonographyen
dc.subjectMaleen
dc.subjectMiddle Ageden
dc.subjectProspective Studiesen
dc.subjectROC Curveen
dc.subjectSeverity of Illness Indexen
dc.subjectTricuspid Valve Insufficiency/physiopathology/ultrasonographyen
dc.subject*Vascular Resistanceen
dc.titleExtension of Doppler-derived echocardiographic measures of pulmonary vascular resistance to patients with moderate or severe pulmonary vascular diseaseen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.primary10.1016/j.echo.2007.10.004-
heal.identifier.secondaryhttp://www.ncbi.nlm.nih.gov/pubmed/18187297-
heal.identifier.secondaryhttp://ac.els-cdn.com/S089473170700733X/1-s2.0-S089473170700733X-main.pdf?_tid=aef127edfc057f51373e92dbd1577f9c&acdnat=1332862870_843a3ab9c69ee356dee7e9ce327d89a1-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικήςel
heal.publicationDate2008-
heal.abstractBACKGROUND: Pulmonary vascular resistance (PVR) is a critical parameter in the assessment and treatment of patients with pulmonary hypertension, regardless of origin. Noninvasive estimation of PVR could be helpful. METHODS: Consecutive patients with known or suggested pulmonary hypertension referred for cardiac catheterization were evaluated prospectively and the PVR was calculated invasively. Subsequently, the tricuspid regurgitation velocity (TRV), the velocity-time integral (mean of 3 measurements) of the right ventricular outflow tract (VTIm), and the right ventricular outflow tract diameter were recorded noninvasively. RESULTS: The TRV/VTIm ratio and the TRV/VTIm corrected for the indexed RVOT diameter correlated well with the PVR at catheterization with R(2) = 0.711 and R(2) = 0.731, respectively, including patients with very high values of PVR. A TRV/VTI(RVOT) value of 38 provided a specificity of 100% for a PVR of 8 Woods units. CONCLUSION: Noninvasive estimation is feasible over a broad range of PVR values and could be a useful tool to estimate and longitudinally tracked changes in PVR.en
heal.journalNameJ Am Soc Echocardiogren
heal.journalTypepeer-reviewed-
heal.fullTextAvailabilityTRUE-
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