Table 4.
Comparisons in net changes in 2D TTE and GLS values among races after TAVR
| African American (n=34) | Hispanic (n=22) | White (n=43) | p-value | |
|---|---|---|---|---|
| Interventricular Septal Wall Thickness, End-Diastole (cm) | -0.1 ± 0.2 | -0.1 ± 0.2 | -0.03 ± 0.2 | 0.57 |
| LV Internal Dimension, End-Diastole (cm) | -0.03 ± 0.4 | 0.1 ± 0.5 | 0.05 ± 0.35 | 0.54 |
| LV Posterior Wall Thickness, End-Diastole (cm) | .002 ± .02 | -0.1 ± 0.2 | 0.01 ± 0.16 | 0.01 |
| LV Outflow Tract Velocity Time Integral (cm) | -1.6 ± 8.7 | -2.4 ± 8.1 | -0.4 ± 7.4 | 0.63 |
| LV Outflow Tract Velocity Max (cm/s) | 15.0 ± 50.2 | 7.0 ± 40.5 | 13.9 ± 31.5 | 0.75 |
| AV Velocity Time Integral (cm) | -44.1 ± 16.8 | -40.5 ± 24.7 | -43.1 ± 20.5 | 0.81 |
| Aortic Valve Area (cm2) | 1.1 ± 1.0 | 1.0 ± 0.9 | 1.2 ± 0.6 | 0.77 |
| AV Transvalvular Vmax (cm/s) | -170.9 ± 61.4 | -139.4 ± 76.8 | -176.3 ± 75.0 | 0.13 |
| AV Mean Pressure Gradient (mmHg) | -23.9 ± 11.3 | -18.7 ± 10.6 | -23.9 ± 12.3 | 0.19 |
| EF, % | 5.6 ± 8.6 | 5.4 ± 6.8 | 3.4 ± 8.2 | 0.44 |
| GLS, % | -2.8 ± 3.3 | -2.0 ± 2.1 | -2.7 ± 3.5 | 0.62 |
2D: two-dimensional; TTE: transthoracic echocardiogram; EF: ejection fraction; GLS: global longitudinal strain; TAVR: transcatheter aortic valve replacement; LV: left ventricular; AV: aortic valve. Continuous variables are represented as a mean ± SD; categorical variables are represented as n (%).