Table 8.
Native T1 Mapping Correlation with left ventricular and left atrial volumetric and strain indices.
| Parameters | R value | P value |
|---|---|---|
| Native T1 mapping | ||
| LACI | 0.53 | < 0.05* |
| LVEF | 0.06 | 0.79 |
| LVEDVI | -0.04 | 0.88 |
| LV GLS (%) | 0.52 | < 0.05* |
| LV GCS (%) | 0.26 | 0.26 |
| LV GRS (%) | -0.46 | < 0.05* |
| LAV max indexed | 0.03 | 0.99 |
| LAV min indexed | 0.04 | 0.88 |
| Total LA EF | 0.07 | 0.76 |
| Passive LA EF | 0.15 | 0.53 |
| Active LA EF | 0.08 | 0.72 |
| LA GLS (%) | -0.36 | 0.12 |
| LA GRS (%) | 0.29 | 0.21 |
| LA ξs (reservoir) (%) | 0.27 | 0.25 |
| LA ξe (conduit) (%) | -0.03 | 0.89 |
| LA ξa (booster) (%) | 0.45 | < 0.05* |
| LA SRs (reservoir) (s-1) | 0.37 | 0.11 |
| LA SRe (conduit) (s-1) | -0.37 | 0.11 |
| LA SRa (booster) (s-1) | -0.51 | < 0.05* |
* Statistically significant, LACI left atrioventricular coupling index, LV left ventricle, EF ejection fraction, EDVI end-diastolic volume indexed, GLS left ventricle global longitudinal strain, GCS left ventricle global circumferential strain, GRSleft ventricle global radial strain, LAV max left Atrial Volume Maximum, LAV min left Atrial Volume Minimum, LAleft atrium, LA ξs Left atrial longitudinal reservoir strain, LA ξe Left atrial passive strain, LA ξa Left atrial active strain, LA SRs Left atrial longitudinal peak positive strain rate, LA SRe Left atrial peak early negative strain rate, LA SRa Left atrial peak late negative strain rate.