Forfia et al used the tricuspid annular plane systolic excursion (TAPSE) to predict survival for patients with pulmonary hypertension (PH). The authors are from the Johns Hopkins University in Baltimore.
Patient selection: pulmonary hypetension
Evaluation: echocardiography, with M-mode recording through the laterail tricuspid valve annulus
Tricuspid annular plane systolic excursion (TAPSE) is the height of the peak of the tricuspid annular plane above baseline seen during systole.
TAPSE correlates with right ventricular function including:
(1) right ventricular systolic dysfunction and right ventricular stroke volume index
(2) percent change in right ventricular area
(3) right atrial area index
(4) right heart remodeling
(5) right ventricular to left ventricular disproportion
Parameter
TAPSE >= 1.8 cm
TAPSE < 1.8 cm
1 year survival
94%
60%
2 year survival
88%
50%
The unadjusted risk of death increased by 17% for each 1 mm decrease in the TAPSE.
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