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Maximal systolic excursion of the tricuspid annulus is independent of right atrial size and function in chronic pulmonary hypertension.

Dagmar F Hernandez-SuarezFrancisco López MenéndezAngel López-Candales
Published in: Echocardiography (Mount Kisco, N.Y.) (2017)
Based on these results, TAPSE does not appear to be influenced by either RA size or function. Additional studies using strain echocardiography to interrogate RA mechanics might now be very useful to advance our understanding of TA motion in cPH patients given recent data showing that RA function accounts for a significantly greater proportion of total right heart function in patients with cPH than in normal subjects.
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