期刊
JOURNAL OF EMERGENCY MEDICINE
卷 58, 期 3, 页码 449-456出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jemermed.2019.09.017
关键词
tricuspid annular plane systolic excursion; TAPSE; echocardiography; point-of-care ultrasound; right ventricle; right ventricular strain; pulmonary embolism
Background: The categorization of pulmonary embolism (PE) as non-massive, sub-massive, and massive helps guide acute management. The presence of right ventricular (RV) strain differentiates sub-massive from non-massive PEs. Unlike laboratory markers and electrocardiogram changes, the classic parameters used in the echocardiographic diagnosis of RV strain have a technical component that is operator-dependent. Objective: This narrative review will describe the physiologic effects of a PE on the RV and how this affects prognosis. It will summarize the literature evaluating the accuracy and prognostic ability of tricuspid annular plane systolic excursion (TAPSE) in the echocardiographic assessment of RVfunction. The review will describe the appeal of TAPSE for this purpose, provide cutoff measurements, and then illustrate how to perform the technique itself, while offering associated pearls and pitfalls in this bedside evaluation. Discussion: RV function and dynamics undergo acute changes in the setting of a PE. RV dysfunction predicts poor outcomes in both the short and long term. However, RV strain is difficult to capture on echocardiography due to the chamber's complex geometric shape and contraction. From the apical four-chamber window, TAPSE offers a quantitative measure that is more easily performed with high interobserver reliability for evaluating systolic RV contraction. This measurement carries prognostic value in patients diagnosed with PE. Conclusions: Along with other more qualitative echocardiographic parameters, TAPSE can be used as a simple quantitative measure of RV dysfunction for differentiating sub-massive from non-massive PEs. This categorization helps guide acute management and disposition. (C) 2019 Elsevier Inc. All rights reserved.
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