| AF | atrial fibrillation |
| CI | confidence intervals |
| CMR | cardiovascular magnetic resonance imaging |
| CRT | cardiac resynchronization therapy |
| CRT-D | cardiac resynchronization therapy defibrillator |
| HF | heart failure |
| ICD | implantable cardioverter defibrillator |
| LV | left ventricle |
| LBBB | left bundle branch block |
| LVEF | left ventricular ejection fraction |
| LVESV | left ventricular end-systolic volume |
| MD | mean difference |
| MPI | myocardial performance index (Tei index) |
| MR | mitral regurgitation |
| NOS | Newcastle–Ottawa Quality Assessment Score |
| NYHA | New York Heart Association Functional Classification |
| PRISMA | Preferred Reporting Items for Systematic Reviews and Meta-Analyses |
| RCTs | randomized clinical trials |
| RV | right ventricle |
| RVEF | right ventricular ejection fraction |
| RVFAC | right ventricular fractional area change |
| RVGLS | right ventricular global longitudinal strain |
| RVOT | right ventricular outflow tract |
| RVSP | right ventricular systolic pressure |
| S’ | myocardial systolic excursion velocity |
| SPAP | systolic pulmonary artery pressure |
| TAPSE | tricuspid annular plane systolic excursion |
| TR | tricuspid regurgitation |