Table 2.
Overview of the used fSENC-derived parameters for each of the compared groups as well as the measurements (including feature tracking strain) derived from the full clinical CMR scans in available patients.
|
fSENC-derived parameters per group | ||||
|---|---|---|---|---|
| Myocarditis | OMI | NSTEMI | Healthy | |
| Scanner (1.5 T/3.0 T) | 10/6 | 11/12 | 15/10 | 35/15 |
| fSENC GLS (%) | -15.8±3.9 | -14.1±4.3 | -14.9±3.5 | -20.3±1.6 |
| fSENC GLS difference (%) | 1.5±0.9 | 0.4±0.7 | -0.5±1.3 | 1.1±0.6 |
| fSENC number of mildly dysfunctional segments (>-17%) | 8.6±3.5 | 10.7±3.7 | 9.8±3.6 | 3.1±2.4 |
| fSENC number of severely dysfunctional segments (>-10%) | 2.8±4.0 | 4.5±3.8 | 3.6±3.5 | 0.2±0.5 |
|
Subgroup: Measurements of full clinical CMR | ||||
|---|---|---|---|---|
| Myocarditis | OMI | NSTEMI | Reference values | |
| Number of full CMRs available | 16 | 10 | 9 | |
| Feature Tracking GLS (%) | -12.7±3.7 | -12.2±5.2 | -12.6±4.3 | − 17.0 ± 1.9 |
| Feature Tracking GLS difference (%) | 0.7±0.7 | 0.5±0.6 | 0.4±0.5 | not available |
| T1 mapping times at 1.5T (ms) | 1100±94 | 1055±45 | 1056±59 | 994±18 |
| T1 mapping times at 3T (ms) | 1297±32 | 1291±52 | 1289±71 | 1223±23 |
| T2 times (ms) | 57±12 | 54±6 | 55±7 | 49±3 |
| Late Gadolinium Enhancement: number of affected segments | 2.7±2.3 | 3.8±4.0 | 2.1±1.5 | 0 |
CMR cardiiovascular magnetic resonance, fSENC fast Strain ENCoded, GLS global longitudinal strain, NSTEMI non-ST-elevation myocardial infarction, OMI other myocardial injury, SD standard deviation.
A comparison of the full clinical CMR to internal (mapping) or external reference values is given [42]. Values are reported as mean ± SD.