Table 2. Studies showing prognostic significance of right ventricular strain values in different patient population.
| First author | Design | N | Population | Outcome | Cutoff (%) | Size of effect or test performance | Analysis software |
|---|---|---|---|---|---|---|---|
| Motoji et al.42) | Retrospective | 42 | PAH | Cardiovascular events | RVGLSfree wall: −19.4% | N/A | GE EchoPAC |
| Choi et al.7) | Retrospective | 51 | PAH | Event-free survival and mortality | RVGLStotal: −15.5% | Event-free survival (HR = 4.91, p = 0.001) | VVI |
| Mortality (HR = 8.84, p = 0.005) | |||||||
| Fine et al.44) | Prospective | 575 | PH | Mortality | Mortality per 6.7% decrease (HR = 2.59, p < 0.001, univariate, HR = 1.46, p < 0.001, multivariate) | GE EchoPAC | |
| D'Andrea et al.46) | Retrospective | 100 | PH from IPF | Event-free survival | RVGLStotal: −12.0% | Event-free survival (HR = 4.7, p < 0.001) | Philips |
| Grant et al.51) | Retrospective | 117 | Advanced HF | RV failure | RVGLStotal: −9.6% | N/A | VVI |
| Park et al.24) | Retrospective | 57 | ICM | Event-free survival | RVGLStotal: −15.4% | Event-free survival (HR = 3.95, p = 0.044) | VVI |
| Park et al.27) | Retrospective | 282 | Inferior AMI | Event-free survival and mortality | RVGLStotal: −15.5% | N/A | VVI |
AMI: acute myocardial infarction, HF: heart failure, HR: hazard ratio, ICM: ischemic cardiomyopathy, IPF: idiopathic pulmonary fibrosis, PAH: pulmonary arterial hypertension, PH: pulmonary hypertension, RVGLS: right ventricular global longitudinal strain, VVI: velocity vector imaging.