Table 3.
Comparison of perioperative outcomes between IVUS-assisted TEVAR and TEVAR groups
| Variables | IVUS-assisted TEVAR (n = 13) | TEVAR (n = 34) | P |
|---|---|---|---|
| Stent graft types, n (%) | |||
| Valiant | 6 (46.15) | 15 (44.12) | 0.931 |
| Talent | 1 (7.69) | 2 (5.88) | |
| Captiva | 1 (7.69) | 5 (14.71) | |
| Zenith TX2 | 5 (38.46) | 12 (35.29) | |
| Operation time (min) | 89.3 ± 43.3 | 116.4 ± 26.7 | 0.013 |
| Blood loss (ml) | 87.3 ± 45.0 | 84.6 ± 29.8 | 0.812 |
| Intubation time (min) | 119.69 ± 39.44 | 122.09 ± 29.88 | 0.309 |
| Contrast dosage (ml) | 101.3 ± 18.2 | 133.7 ± 17.6 | 0.001 |
| Postoperative laboratory data | |||
| BUN (mmol/L) | 6.83 ± 2.70 | 7.52 ± 3.20 | 0.457 |
| Creatinine (μmol/L) | 82.38 ± 28.76 | 85.00 ± 27.92 | 0.924 |
| Hemoglobin (g/L) | 125.4 ± 17.3 | 116.5 ± 20.5 | 0.177 |
| INR | 1.06 ± 0.04 | 1.09 ± 0.15 | 0.053 |
| Length of stay (days) | 10.2 ± 2.8 | 12.2 ± 3.8 | 0.087 |
| Follow-up period (months) | 24.7 ± 9.4 | 23.3 ± 8.9 | 0.646 |
Data are shown as n (%) or mean ± SD. TEVAR: Thoracic endovascular aortic repair; BUN: Blood urea nitrogen; INR: International normalized ratio; IVUS: Intravascular ultrasound; SD: Standard deviation.