Table 3.
Linear Dimensions Stratified by CMR-Evidenced RV Dilation or Dysfunction
| RV Dilation or Dysfunction - (n=215) |
RV Dilation or Dysfunction + (n=57) |
P | RV dysfunction - (n=222) |
RV dysfunction + (n=50) |
P | RV dilation - (n=246) |
RV dilation + (n=26) |
P | |
|---|---|---|---|---|---|---|---|---|---|
|
Right Ventricle | |||||||||
| End Diastolic Dimensions | |||||||||
| Basal RV width (mm) | 35.7±5.2 | 43.7±7.3 | <0.001 | 35.9±5.4 | 43.9±7.3 | <0.001 | 36.3±5.7 | 47.1±6.2 | <0.001 |
| Mid RV width (mm) | 26.3±5.8 | 31.9±7.0 | <0.001 | 26.4±6.0 | 32.0±6.8 | <0.001 | 26.7±5.9 | 35.0±6.7 | <0.001 |
| RV length (mm) | 78.5±8.2 | 89.5±9.0 | <0.001 | 78.9±8.4 | 89.5±9.3 | <0.001 | 79.7±8.8 | 91.5±9.6 | 0.001 |
| Proximal RVOT width (mm) | 31.9±4.7 | 37.7±5.7 | <0.001 | 32.1±4.9 | 37.3±5.9 | <0.001 | 32.5±5.0 | 39.2±5.5 | <0.001 |
| Distal RVOT width (mm) | 24.3±4.5 | 27.1±4.6 | <0.001 | 24.3±4.6 | 27.1±4.4 | <0.001 | 24.5±4.5 | 28.4±4.9 | <0.001 |
| End Systolic Dimensions | |||||||||
| Basal RV width (mm) | 25.0±4.9 | 33.7±7.0 | <0.001 | 25.2±5.1 | 34.2±6.7 | <0.001 | 25.8±5.6 | 36.2±6.8 | <0.001 |
| Mid RV width (mm) | 16.5±4.5 | 23.0±5.9 | <0.001 | 16.6±4.6 | 23.3±6.0 | <0.001 | 17.0±4.8 | 25.7±5.8 | <0.001 |
| RV length (mm) | 66.9±7.6 | 78.5±8.6 | <0.001 | 67.2±7.7 | 78.8±9.0 | <0.001 | 68.1±8.3 | 81.1±8.8 | <0.001 |
| Proximal RVOT width (mm) | 23.2±4.4 | 29.9±5.9 | <0.001 | 23.5±4.6 | 29.6±6.2 | <0.001 | 23.9±4.9 | 31.4±5.7 | <0.001 |
| Distal RVOT width (mm) | 17.1±3.9 | 19.7±4.7 | <0.001 | 17.1±3.9 | 19.9±4.7 | <0.001 | 17.2±3.9 | 21.4±5.3 | 0.001 |
| Fractional Shortening | |||||||||
| Basal RV (%) | 29.9±8.9 | 23.1±7.9 | <0.001 | 29.9±9.0 | 22.2±7.0 | <0.001 | 29.0±9.1 | 23.6±8.0 | 0.004 |
| Mid RV (%) | 36.9±12.4 | 27.9±9.5 | <0.001 | 36.7±12.3 | 27.4±9.6 | <0.001 | 35.9±12.4 | 26.7±8.6 | <0.001 |
| RV length (%) | 14.7±6.2 | 12.2±5.2 | 0.006 | 14.6±6.2 | 12.0±4.9 | 0.005 | 14.4±6.0 | 11.2±5.9 | 0.01 |
| Proximal RVOT (%) | 27.3±7.5 | 20.9±7.8 | <0.001 | 27.0±7.6 | 21.0±7.7 | <0.001 | 26.5±7.7 | 20.0±8.0 | <0.001 |
| Distal RVOT (%) | 29.7±7.7 | 27.7±8.5 | 0.09 | 29.8±7.6 | 27.0±8.7 | 0.03 | 29.7±7.6 | 25.4±9.4 | 0.009 |
|
Left Ventricle | |||||||||
| End-diastolic diameter (mm) | 56.4±4.8 | 59.2±7.6 | 0.01 | 56.4±4.8 | 59.6±7.8 | 0.007 | 56.7±5.2 | 59.3±8.2 | 0.13 |
| End-systolic diameter (mm) | 42.0±6.1 | 48.4±10.5 | <0.001 | 42.0±6.1 | 49.3±10.4 | <0.001 | 42.8±6.9 | 48.5±11.7 | 0.02 |
| Fractional shortening (%) | 25.8±6.6 | 19.2±9.2 | <0.001 | 25.8±6.7 | 18.2±8.7 | <0.001 | 25.0±7.1 | 19.2±10.3 | 0.009 |