Table 4.
Comparison of conventional left ventricular parameters between subjects with low versus high myocardial triglyceride content.
| Low MTGC ≤ 0.31% n=84 |
High MTGC >1.09% n=84 |
p value | |
|---|---|---|---|
| Cardiac geometry | |||
| LV mass (g) | 96.1 [73.5;123.3] | 106.4 [86.7;127.9] | 0.05 |
| LV mass index (g/cm²) | 53.9 ( ± 11.5) | 54.5 ( ± 13.1) | 0.78 |
| Conventional LV function parameters | |||
| LV Mass/EDV (g/mL) | 0.69 [0.60;0.76] | 0.89 [0.75;1.04] | <0.0001 |
| Cardiac output (L/min) | 6.2 ( ± 1.4) | 6.1 ( ± 1.5) | 0.76 |
| Cardiac index (L/min/m²) | 3.4 ( ± 0.6) | 3.1 ( ± 0.7) | 0.002 |
| Conventional LV systolic function parameters | |||
| LVEF (%) | 65.1 ( ± 6.7) | 67.6 ( ± 8.3) | 0.04 |
| ESV (mL) | 46.6 [35.6;61.3] | 37.1 [30.2;50.2] | 0.0006 |
| ESV index (mL/m²) | 26.4 [21.8;32.3] | 18.7 [15.6;25.1] | <0.0001 |
| SV (mL) | 92 ( ± 23) | 81.8 ( ± 19.8) | 0.003 |
| SV index (mL/m²) | 50.7 ( ± 9.4) | 41.3 ( ± 9.3) | <0.0001 |
| Conventional LV diastolic function parameters | |||
| EDV (mL) | 136.8 [115.3;171.2] | 118.2 [106.5;144.7] | 0.0008 |
| EDV index (mL/m²) | 77.9 ( ± 14.4) | 62 ( ± 14.6) | <0.0001 |
| Peak E velocity (cm/s) | 71 ( ± 13.5) | 59 ( ± 15.4) | <0.0001 |
| Peak A velocity (cm/s) | 32.7 ( ± 9.3) | 42.4 ( ± 14.4) | <0.0001 |
| Mitral E/A ratio | 2.2 [1.7;2.8] | 1.3 [1.1;1.9] | <0.0001 |
Data expressed as mean ± standard deviation (SD) or as median [25th percentile;75th percentile].
MTGC, myocardial triglyceride content; LV, left ventricular; LVEF, left ventricular ejection fraction; SV, stroke volume; ESV, end-systolic volume; EDV, end-diastolic volume.