Global Strain Measured by Three-Dimensional Speckle Tracking Echocardiography Is a Useful Predictor for 10-Year Prognosis After a First ST-Elevation Acute Myocardial Infarction
Open Access
- 24 September 2021
- journal article
- research article
- Published by Japanese Circulation Society in Circulation Journal
- Vol. 85 (10), 1735-1743
- https://doi.org/10.1253/circj.cj-21-0183
Abstract
Background:Three-dimensional (3D) speckle tracking echocardiography (STE) after ST-elevation acute myocardial infarction (STEMI) is associated with left ventricular (LV) remodeling and 1-year prognosis. This study investigated the clinical significance of 3D-STE in predicting the long-term prognosis of patients with STEMI. Methods and Results:A total of 270 patients (mean age 64.6 years) with first-time STEMI treated with reperfusion therapy were enrolled. At 24 h after admission, standard 2D echocardiography and 3D full-volume imaging were performed, and 2D-STE and 3D-STE were calculated. Patients were followed up for a median of 119 months (interquartile range: 96–129 months). The primary endpoint was occurrence of a major adverse cardiac event (MACE: cardiac death, heart failure with hospitalization), and 64 patients experienced MACEs. Receiver operating characteristic curves and Cox hazard multivariate analysis showed that the 3D-STE indices were stronger predictors of MACE compared with those of 2D-STE. Additionally, 3D-global longitudinal strain (GLS) was the strongest predictor for MACE followed by 3D-global circumferential strain (GCS). The Kaplan-Meier curve demonstrated that 3D-GLS >−11.0 was an independent predictor for MACE (log-rank χ2=132.2, P−18.3, patients with higher values of 3D-GLS and 3D-GCS were found to be at extremely high risk for MACE. Conclusions:Global strain measured by 3D-STE immediately after the onset of STEMI is a clinically significant predictor of 10-year prognosis.Keywords
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