Table 3.
Left ventricular volumes and peak left atrial global strains in different peak left atrial global strain groups.
| LA-GRS ≤ −6.7% (n = 24) |
−6.7% < LA-GRS < −22.9% (n = 121) |
−22.9% ≤ LA-GRS (n = 20) |
LA-GCS ≤ 18.3% (n = 25) |
18.3% < LA-GCS < 48.9% (n = 112) |
48.9% ≤ LA-GCS (n = 28) |
LA-GLS ≤ 17.2% (n = 25) |
17.2% < LA-GLS < 35.4% (n = 115) |
35.4% ≤ LA-GLS (n = 25) |
|
|---|---|---|---|---|---|---|---|---|---|
| LV-EDV (mL) | 82.3 ± 25.3 | 86.1 ± 21.2 | 93.3 ± 22.1 | 79.5 ± 24.8 | 86.7 ± 21.0 | 91.5 ± 22.5 | 86.3 ± 24.5 | 86.1 ± 22.6 | 88.2 ± 16.4 |
| LV-ESV (mL) | 34.4 ± 12.3 | 36.0 ± 9.5 | 39.6 ± 12.6 | 32.1 ± 11.3 | 37.0 ± 9.5 ‡ | 36.7 ± 12.2 | 37.6 ± 11.5 | 35.8 ± 10.6 | 37.0 ± 8.2 |
| LV-EF (%) | 58.9 ± 5−7 | 58.1 ± 5.2 | 57.8 ± 7.9 | 60.2 ± 5.6 | 57.2 ± 5.0 | 60.1 ± 7.0 | 57.1 ± 5.9 | 58.4 ± 5.8 | 58.1 ± 4.8 |
| LV mass (g) | 154.9 ± 31.3 | 157.0 ± 31.5 | 175.1 ± 32.9 *† | 156.8 ± 25.2 | 159.5 ± 32.4 | 158.2 ± 36.5 | 166.0 ± 29.9 | 159.6 ± 31.5 | 148.5 ± 35.1 $ |
| LA-Vmax (mL) | 35.5 ± 13.2 | 41.5 ± 12.9 * | 42.8 ± 13.2 | 38.4 ± 11.7 | 41.6 ± 13.0 | 39.8 ± 14.5 | 39.8 ± 15.6 | 41.1 ± 13.1 | 40.0 ± 10.0 |
| LA-VpreA (mL) | 26.1 ± 11.3 | 27.6 ± 12.1 | 29.3 ± 10.5 | 30.1 ± 10.4 | 28.0 ± 11.6 | 23.8 ± 13.2 ‡ | 31.2 ± 14.3 | 27.7 ± 11.5 | 23.4 ± 8.8 $ |
| LA-Vmin (mL) | 20.2 ± 8.7 | 19.1 ± 8.3 | 19.0 ± 6.5 | 24.5 ± 8.3 | 19.6 ± 7.9 ‡ | 13.7 ± 5.2 ‡# | 24.0 ± 11.6 | 19.2 ± 7.2 $ | 14.9 ± 5.1 $& |
| LA-GRS (%) | −3.0 ± 2.3 | −14.8 ± 4.7 * | −28.9 ± 6.6 *† | −10.0 ± 7.0 | −15.1 ± 8.0 ‡ | −18.2 ± 7.7 ‡# | −10.2 ± 8.8 | −15.6 ± 8.1 $ | −15.7 ± 5.6 $ |
| LA-GCS (%) | 24.2 ± 10.6 | 34.7 ± 15.3 * | 37.6 ± 16.4 * | 13.6 ± 3.6 | 31.7 ± 7.8 ‡ | 59.0 ± 10.6 ‡# | 21.9 ± 11.9 | 33.9 ± 14.3 $ | 43.6 ± 15.5 $& |
| LA-GLS (%) | 19.3 ± 8.6 | 27.6 ± 8.8 * | 26.2 ± 8.0 * | 17.8 ± 5.5 | 26.7 ± 8.2 ‡ | 31.9 ± 9.7 ‡# | 13.2 ± 3.3 | 25.9 ± 4.8 $ | 41.0 ± 6.1 $& |
| LA-G3DS (%) | −0.9 ± 1.1 | −7.5 ± 4.3 * | −14.9 ± 8.2 *† | −4.4 ± 4.1 | −8.1 ± 6.4 ‡ | −7.7 ± 4.2 ‡ | −4.3 ± 5.5 | −7.8 ± 6.0 $ | −9.0 ± 4.4 $ |
| LA-GAS (%) | 48.0 ± 25.1 | 70.9 ± 26.9 * | 69.8 ± 30.5 * | 31.7 ± 8.4 | 65.1 ± 17.9 ‡ | 109.1 ± 20.4 ‡# | 35.2 ± 16.6 | 67.3 ± 22.1 $ | 100.5 ± 24.0 $& |
* p < 0.05 vs. LA-GRS ≤ −6.7%, † p < 0.05 vs. −6.7% < LA-GRS < −22.9%, ‡ p < 0.05 vs. LA-GCS ≤ 18.3%, # p < 0.05 vs. 18.3% < LA-GCS < 48.9%, $ p < 0.05 vs. LA-GLS ≤ 17.2%, & p < 0.05 vs. 17.2% < LA-GLS < 35.4%. Abbreviations: LV = left ventricular; ESV = end-systolic volume; EDV = end-diastolic volume; EF = ejection fraction; VpreA = early diastolic pre-atrial contraction LA volume; Vmax = end-systolic maximum LA volume; Vmin = end-diastolic minimum LA volume; LA = left atrial; G3DS = global three-dimensional strain; GCS = global circumferential strain; GRS = global radial strain; GLS = global longitudinal strain; GAS = global area strain.