Table II.
Simulated aortic and arterial branch peak and mean arterial pressures and flow rates
| Preoperative |
Postoperative |
P value | Preoperative |
Postoperative |
P value | |
|---|---|---|---|---|---|---|
| Peak pressure (mm Hg) | Peak pressure (mm Hg) | Mean pressure (mm Hg) | Mean pressure (mm Hg) | |||
| Proximal aorta | 136.9 ± 8.7 | 140.3 ± 11.1 | .02 | 100.9 ± 7.2 | 101.7 ± 6.9 | .04 |
| Celiac artery | 128.7 ± 12.2 | 125.8 ± 14.0 | .65 | 98.2 ± 8.1 | 97.2 ± 8.5 | .64 |
| Superior mesenteric artery | 128.4 ± 13.5 | 127.3 ± 14.6 | .96 | 97.8 ± 8.4 | 97.3 ± 8.6 | .57 |
| Renal artery | 128.9 ± 11.8 | 131.6 ± 14.8 | .04 | 97.3 ± 8.1 | 98.3 ± 8.7 | .30 |
| Distal aorta | 138.8 ± 8.5 | 141.7 ± 11.9 | .17 | 100.9 ± 7.1 | 101.7 ± 6.9 | .06 |
| Peak flow (mL/sec) | Peak flow (mL/sec) | P value | Mean flow (mL/sec) | Mean flow (mL/sec) | P value | |
|---|---|---|---|---|---|---|
| Celiac artery | 42.3 ± 9.0 | 40.1 ± 10.8 | .72 | 8.9 ± 1.6 | 8.7 ± 1.5 | .64 |
| Superior mesenteric artery | 47.4 ± 10.0 | 45.9 ± 12.6 | .64 | 10.7 ± 1.8 | 10.6 ± 1.9 | .28 |
| Renal artery | 16.9 ± 3.5 | 17.5 ± 3.8 | .04 | 7.8 ± 1.2 | 7.8 ± 1.2 | .92 |
| Distal aorta | 92.0 ± 20.3 | 95.5 ± 23.2 | .16 | 17.9 ± 4.5 | 18.0 ± 4.6 | .06 |
Values displayed as mean ± standard deviation. P values are based on paired analysis (signed rank-sum test).