Table 3.
Analysis of CTA Risk Findings for Postoperative PND.
| CTA Findings | Univariate Analysis | Multivariate Analysis | ||||
|---|---|---|---|---|---|---|
| NND group (n = 199) | PND group (n = 18) | P Value | Odds Ratio | 95% CI | P Value | |
| The diameter of involved aAO (mm)* | 51.2 ± 10.6 | 53.1 ± 11.0 | 0.471 | 5.622 | 1.788–17.679 | 0.003 |
| Retrograde dissection in the aAO | 27 (19.6) | 8 (44.4) | 0.002 | |||
| Entry tear in the aAO | 172 (86.4) | 10 (55.6) | 0.002 | |||
| The diameter of aAO tear (mm)* | 1.96 ± 1.6 | 1.6 ± 0.9 | 0.500 | |||
| Aortic sinus dissection | 63 (31.7) | 8 (44.4) | 0.268 | |||
| Entry tear in the aortic arch | 100 (50.3) | 15 (55.6) | 0.007 | 6.742 | 1.736–26.184 | 0.006 |
| The diameter of aortic arch tear (mm)* | 11.6 ± 8.5 | 11.1 ± 6.9 | 0.816 | |||
| Entry tear in the descending aorta | 39 (19.6) | 4 (22.2) | 0.789 | |||
| CCA dissection | 54 (27.1) | 8 (44.4) | 0.120 | |||
| Lower enhancement in unilateral ICA | 21 (10.6) | 16 (88.9) | 0.031 | 3.340 | 0.887–12.570 | 0.075 |
| CCA originating from false lumen | 2 (1.01) | 0 (0) | 0.669 | |||
| VA dissection | 13 (6.5) | 1 (5.6) | 0.872 | |||
| Lower enhancement in unilateral VA | 17 (8.5) | 1 (5.6) | 0.660 | |||
Note.-Except where indicated, data are numbers of patients, with percentages in parentheses.
*The data are the means ± standard deviations.
NND = no neurological dysfunction; PND = permanent neurological dysfunction; aAO = ascending aorta; CCA = common carotid artery; ICA = internal carotid artery; VA = vertebral artery.