Table 2.
Comparison of wall thickness between 2D clinical and 3D model measurements.
| Variable | Control (n = 19) | HCM (n = 19) | P-value |
|---|---|---|---|
| 2D CLINICAL MEASUREMENTS | |||
| IVSd, mm | 8.4 ± 1.4 | 17.0 ± 6.1 | <0.001 |
| IVSs, mm | 12.2 ± 2.3 | 21.4 ± 5.4 | <0.001 |
| LVPWd, mm | 6.1 ± 1.4 | 8.8 ± 3.4 | 0.009 |
| LVPWs, mm | 12.7 ± 2.3 | 18.5 ± 5.4 | <0.001 |
| FS, % | 35.0 ± 6.1 | 44.2 ± 7.9 | <0.001 |
| 3D MODEL MEASUREMENTS | |||
| WTED,max, mm | 8.1 ± 1.4 | 16.5 ± 5.2 | 0.001 |
| WTES,max, mm | 12.4 ± 1.5 | 22.1 ± 5.0 | <0.001 |
Data are expressed as mean ± SD. HCM, hypertrophic cardiomyopathy; IVSd (IVSs), interventricular septum in diastole (systole); LVPWd (LVPWs), left ventricular posterior wall in diastole (systole); FS, fractional shortening. WTED,max (WTES,max), maximal wall thickness among 16 regional segments in diastole (systole) from 3D model. Bold values mean statistically significant.