Table 1.
Validation of non-invasive pressure-strain loops as a surrogate of myocardial work
| Author | Title | Year | Journal | Number of patients | Results |
|---|---|---|---|---|---|
| Russel et al. | A novel clinical method for quantification of regional left ventricular pressure–strain loop area: a non-invasive index of myocardial work | 2012 | European Heart Journal | 18 | Non-invasive assessed regional LV pressure–strain loop area corresponds well with invasive measurements and reflects myocardial metabolism |
| Russel et al. | Assessment of wasted myocardial work: a novel method to quantify energy loss due to uncoordinated left ventricular contractions | 2013 | American Journal of Physiology-Heart and Circulatory Physiology | 48 | Energy loss caused by uncoordinated contractions can be measured as the LV wasted work ratio non-invasively |
| Hubert et al. | Estimation of myocardial work from pressure–strain loops analysis: an experimental evaluation | 2018 | European Heart Journal—Cardiovascular Imaging | 9 | The non-invasive assessment of LV myocardial work by pressure strain analysis correlates well with invasive measurements |
| Cauwenberghs et al. | Area of the pressure-strain loop during ejection as non-invasive index of left ventricular performance: a population study | 2019 | Cardiovascular Ultrasound | 356 | Integration of the LV pressure–strain loop during ejection might be a useful tool to non-invasively evaluate sex-specific and interdependent effects of preload and afterload on LV myocardial performance |
| Manganaro et al. | Echocardiographic reference ranges for normal non-invasive myocardial work indices: results from the EACVI NORRE study | 2019 | European Heart Journal Cardiovascular Imaging | 226 | The NORRE study provides reference ranges for non-invasive MW indices |
| Manganaro et al. | Correlation between non-invasive myocardial work indices and main parameters of systolic and diastolic function: results from the EACVI NORRE study | 2019 | European Heart Journal Cardiovascular Imaging | 226 | Non-invasively assessed MW indices correlate well with common 2DE measures of myocardial systolic function and strain |
| Galli et al. | Echocardiographic reference ranges for myocardial work in healthy subjects: A preliminary study | 2019 | Echocardiography | 115 | Referral ranges of GCW, GWI, GWW, and GWE are not dependent on age |
MW myocardial work, 2DE two-dimensional echocardiography, GCW global myocardial constructive work, GWI global myocardial work index, GWW global myocardial wasted work, GWE global myocardial work efficiency