Agreement Between Transesophageal Echocardiographic Tricuspid Annular Plane Systolic Excursion Measurement Methods in Cardiac Surgery Patients

Utility of tricuspid annular plane systolic excursion normalized by right ventricular size indices in dogs with postcapillary pulmonary hypertension

“…49 Therefore, we measured TAPSE B-mode as 2D total displacement (not parallel to the RV longitudinal direction at end-diastole) with reference to the previous study that assessed TAPSE B-mode in humans, although the previous report that used dogs with MMVD assessed TAPSE B-mode parallel to the RV longitudinal direction. 13,22 Therefore, our results suggest that TAPSE B-mode might be more sensitive to RV systolic dysfunction than is TAPSE M-mode . In addition, these indices could not be used interchangeably, especially in dogs with severe postcapillary PH.…”

“…The TAPSE was defined as the total displacement of the lateral tricuspid annulus. The TAPSE B‐mode was measured by tracing the distance of the lateral tricuspid annulus when cine‐loops advanced from end‐diastole to end‐systole 13,22 . The M‐mode images were constructed using B‐mode cine‐loops that were used for TAPSE B‐mode by setting the cursors at the RV apex and lateral tricuspid annulus 13 .…”

“…The TAPSE B-mode was measured by tracing the distance of the lateral tricuspid annulus when cineloops advanced from end-diastole to end-systole. 13,22 The M-mode images were constructed using B-mode cine-loops that were used for TAPSE B-mode by setting the cursors at the RV apex and lateral tricuspid annulus. 13 The TAPSE/Ao ratio was calculated by dividing TAPSE by aortic diameter obtained from the right parasternal short-axis view.…”

“…However, recent studies have reported that TAPSE was not decreased in dogs with postcapillary PH because of its load, angle, and body weight dependency, and TAPSE was considered a preload‐dependent index in dogs 8,19‐21 . To eliminate the effect of angle dependency, some reports have assessed the utility of TAPSE measured by B‐mode for the assessment of RV systolic function 13,22 . In addition, TAPSE‐to‐aortic diameter ratio (TAPSE/Ao) enables body weight independent assessment of RV systolic function 23 .…”

“…8,[19][20][21] To eliminate the effect of angle dependency, some reports have assessed the utility of TAPSE measured by B-mode for the assessment of RV systolic function. 13,22 In addition, TAPSE-toaortic diameter ratio (TAPSE/Ao) enables body weight independent assessment of RV systolic function. 23 Nevertheless, the clinical utility of TAPSE for the assessment of RV function in veterinary medicine is debatable.…”