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- W2034132340 abstract "Because of its unique hemodynamic features, constrictive pericarditis may be identified using 2-dimensional and Doppler echocardiography. An important component of a “constriction-protocol” echocardiogram is the tissue Doppler assessment of the early diastolic mitral annular relaxation velocity (e′), which provides a noninvasive measure of left ventricular myocardial relaxation. The e′ velocity is reduced in most forms of heart failure related to myocardial disease, and the ratio of transmitral velocity (E) to e′ allows estimation of left ventricular filling pressure in many cases. 1 Ommen S.R. Nishimura R.A. Appleton C.P. Miller F.A. Oh J.K. Redfield M.M. Tajik A.J. Clinical utility of Doppler echocardiography and tissue Doppler imaging in the estimation of left ventricular filling pressures: a comparative simultaneous Doppler-catheterization study. Circulation. 2000; 102: 1788-1794 Crossref PubMed Scopus (2366) Google Scholar Specifically, an E/e′ of <8 correlates with normal filling pressure, an E/e′ >15 correlates with increased filling pressure, and an E/e′ of 8 to 15 is indeterminate with a wide range of possible filling pressures. Relation Between Echocardiographically Estimated and Invasively Measured Filling Pressures in Constrictive PericarditisAmerican Journal of CardiologyVol. 113Issue 11PreviewThe ratio of early transmitral flow velocity (E) to mitral annular velocity (E′) is considered a predictor of pulmonary capillary wedge pressure (PCWP). In a previous small study, the paradoxical relation between PCWP and E/E′ ratio has been described in patients with constrictive pericarditis (CP). We sought to test this paradoxical relation in a larger cohort. We retrospectively identified 49 patients with surgically confirmed CP (40 men; mean age 61 ± 10 years) who underwent right-sided cardiac catheterization with PCWP measurement, preceded by an echocardiographic study. Full-Text PDF" @default.
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- W2034132340 title "Constrictive Pericarditis: The Mitral Annulus Remains Paradoxical" @default.
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- W2034132340 doi "https://doi.org/10.1016/j.amjcard.2014.12.001" @default.
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