Optimal Cut-Off of Tricuspid Regurgitation Velocity According to the New Definition of Pulmonary Hypertension ― Its Use in Predicting Pulmonary Hypertension ―
Open Access
- 9 October 2020
- journal article
- Published by Japanese Circulation Society in Circulation Reports
- Vol. 2 (10), 625-629
- https://doi.org/10.1253/circrep.cr-20-0094
Abstract
Background:The 6th World Symposium on Pulmonary Hypertension proposed that precapillary pulmonary hypertension (PH) be defined as mean pulmonary arterial pressure (mPAP) >20 mmHg instead of mPAP ≥25 mmHg. Peak tricuspid regurgitation velocity (TRV) >3.4 m/s is widely used to predict PH, but it is unclear whether this value remains reliable for the new definition of PH. Methods and Results:We found that the optimal cut-off value of peak TRV for 511 PH patients was >2.8 m/s, with a sensitivity of 89.5%, specificity of 73.4%, and area under the curve of 0.89 (PConclusions:Based on the new definition of PH, TRV >2.8 m/s can be considered to indicate a high probability of PH.Keywords
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