Table 3.
Pre-operative Echocardiographic Parameters Associated With Device Implantationa Significant Mitral Regurgitation After Left Ventricular Assist
| Variable | Univariate |
Multivariate |
||
|---|---|---|---|---|
| HR (95% CI) | p-value | HR (95% CI) | p-value | |
| LVEDD, mm | 1.091 (1.024–1.163) | 0.007 | 0.908 (0.717–1.150) | 0.425 |
| LVESD, mm | 1.080 (1.020–1.144) | 0.008 | 1.126 (0.903–1.404) | 0.294 |
| Ejection fraction, % | 1.011 (0.920-1.111) | 0.816 | ||
| Left atrial area, mm2 | 1.154 (1.057-1.260) | 0.001 | 1.101 (0.990-1.223) | 0.075 |
| Displacement, mm | ||||
| Apical | 1.108 (0.941–1.305) | 0.218 | ||
| Posterior | 1.227 (1.073–1.403) | 0.003 | 1.335 (1.035–1.721) | 0.026 |
| Annulus size, mm2 | 1.152 (1.007–1.317) | 0.039 | 0.889 (0.690–1.144) | 0.360 |
| Tethering area, mm2 | 1.006 (0.999–1.012) | 0.071 | ||
| PM distance proportion, % | 0.990 (0.929–1.055) | 0.754 | ||
| Tethering proportion, % | 0.106 (0.003–3.462) | 0.207 | ||
| Annulus calcification | 1.525 (0.454–5.123) | 0.495 | ||
| Ratio of MR area to LAA, % | 1.054 (1.015–1.094) | 0.006 | 1.094 (1.013–1.181) | 0.022 |
CI, confidence interval; HR, hazard ratio; LVEDD, left ventricular end-diastolic dimension; LVESD, left ventricular end-systolic dimension; MR, mitral regurgitation; PM, papillary muscle.
a
Data shown in bold type are statistically significant.