ArticleJournal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology2021
Quantitative assessment of tricuspid regurgitation using right and left ventricular stroke volumes obtained from tomographic equilibrium radionuclide ventriculography.
Article in Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 1 citations in OpenAlex.
- How equilibrium radionuclide angiography can quantify tricuspid regurgitation.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2021Article
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12 authors at 3 institutions in 1 country.
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Abstract
backgroundQuantitative assessment of valve regurgitation using volumetric method by comparing right and left ventricular stroke volumes is still under investigations.
aimsTo investigate the accuracy of tomographic equilibrium radionuclide ventriculography (t-ERV) for the quantification of tricuspid regurgitation (TR). METHODS AND
resultsSixty-one patients (44 men; mean age 59 ± 12 years) who underwent both t-ERV and transthoracic echocardiography (TTE) studies within 2 weeks for right ventricular systolic function assessment were eligible for inclusion. A sub-group of 22 patients underwent both t-ERV and CMR. Patients with mitral/aortic regurgitation by TTE were excluded of the study. TR regurgitant volume (RVol) was calculated using the proximal isovelocity surface area (PISA) method from TTE and the volumetric method (right ventricular stroke volume minus left ventricular stroke volume) from t-ERV. There was a significant correlation between RVol as assess by ERV and by TTE (R = 0.95, P < 0.0001). Intraclass correlation coefficient between TTE and ERV for TR quantification was 0.95 (P < 0.0001). Among patients who underwent CMR, the correlation between RVol obtained by TTE and by t-ERV and CMR were R = 0.81 and R = 0.75, respectively (all P < 0.0001).
conclusionTR assessment using the t-ERV correlates well with PISA from TTE in patients referred for right ventricular systolic function assessment.
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