Table 4. Initial procedural characteristics and univariable predictors of a high risk of coronary flow compromise for S3 outflow at Evolut node 4 redo-TAVI.
| Univariable model | ||||||
|---|---|---|---|---|---|---|
| High risk of coronary flow compromise (N=41) | Low risk of coronary flow compromise (N=163) | Odds ratio (95% CI) | p-value1 | Optimal cut-off point | ||
| Valve type | Evolut R | 53.7 (22/41) | 62.0 (101/163) | Reference | NA | |
| Evolut PRO | 46.3 (19/41) | 38.0 (62/163) | 1.41 (0.71-2.81) | 0.333 | ||
| Valve size | 0.385 | NA | ||||
| 26 mm | 26.8 (11/41) | 19.6 (32/163) | Reference | |||
| 29 mm | 46.3 (19/41) | 42.9 (70/163) | 0.79 (0.34-1.85) | 0.806 | ||
| 34 mm | 26.8 (11/41) | 37.4 (61/163) | 0.52 (0.21-1.34) | 0.180 | ||
| Valve size ≤26 mm | 26.8 (11/41) | 19.6 (32/163) | 1.50 (0.68-3.31) | 0.314 | NA | |
| Index Evolut depth of implant at NCC*, mm | 1.9±2.5 (41) | 4.9±2.3 (161) | 0.57 (0.46-0.69) | <0.001 | 2.3 | |
| Periprocedural MI | 2.4 (1/41) | 0.6 (1/163) | 4.01 (0.25-65.50) | 0.330 | NA | |
| Coronary obstruction | 2.4 (1/41) | 0.0 (0/163) | 12.30 (0.13-1,171.74) | 0.280 | NA | |
| Data are presented as mean±standard deviation (n) or percentage (n/N).1Wald p-value.*CT measured if available, otherwise fluoroscopy. CI: confidence interval; CT: computed tomography; MI: myocardial infarction; NA: not applicable; NCC: non-coronary cusp; TAVI: transcatheter aortic valve implantation | ||||||