Table 4.
One-month and 3-month postoperative custom variables derived from the dynamic bidirectional applanation device.*
| Variable† | 1 Mo Postop | 3 Mo Postop | P Value | ||
|---|---|---|---|---|---|
|
| |||||
| Preop† Vs 1 Mo | Preop† Vs 3 Mo | 1 Mo Vs 3 Mo | |||
| A1 | |||||
| Mean ± SD | 602.53 ± 131.61 | 608.08 ± 136.72 | <.0001‡ | .003‡ | .3 |
| 95% CI | 576.94, 628.13 | 584.01, 722.15 | |||
| A2 | |||||
| Mean ± SD | 539.36 ± 128.92 | 542.58 ± 129.28 | .001‡ | .002‡ | .8 |
| 95% CI | 514.29, 564.44 | 518.91, 578.26 | |||
| Applanation peak difference | |||||
| Mean ± SD | −116.18 ± 91.60 | −116.95 ± 9.16 | <.0001‡ | .003‡ | .5 |
| 95% CI | 134.00, 98.40 | 135.00, 98.90 | |||
| Concavity min | |||||
| Mean ± SD | 41.83 ± 0.36 | 42.06 ± 0.43 | <.0001‡ | .0003‡ | .1 |
| 95% CI | 41.76, 41.90 | 41.83, 42.28 | |||
| Concavity mean | |||||
| Mean ± SD | 125.79 ± 25.05 | 126.86 ± 23.89 | <.0001‡ | <.0001‡ | .8 |
| 95% CI | 12.93, 13.67 | 121.55, 134.18 | |||
| CRF (mm Hg) | |||||
| Mean ± SD | 8.50 ± 1.89 | 8.55 ± 1.93 | <.0001‡ | <.0001‡ | .8 |
| 95% CI | 8.13, 8.87 | 8.09, 8.91 | |||
| CH (mm Hg) | |||||
| Mean ± SD | 9.68 ± 1.62 | 9.72 ± 1.79 | <.0001‡ | <.0001‡ | .7 |
| 95% CI | 9.36, 9.99 | 9.15, 1.04 | |||
| P1P2Avg | |||||
| Mean ± SD | 152.85 ± 19.92 | 154.47 ± 25.23 | <.0001‡ | .0002‡ | .1 |
| 95% CI | 148.98, 156.73 | 15.82, 162.14 | |||
| P max | |||||
| Mean ± SD | 379.77 ± 34.05 | 385.16 ± 36.26 | <.0001‡ | .0003‡ | .1 |
| 95% CI | 373.16, 386.40 | 375.63, 394.70 | |||
| Concavity duration (ms) | |||||
| Mean ± SD | 11.42 ± 0.46 | 11.29 ± 0.48 | <.0001‡ | .0003‡ | .3 |
| 95% CI | 11.33, 11.51 | 11.08, 11.49 | |||
| Concavity time (ms) | |||||
| Mean ± SD | 12.62 ± 0.06 | 12.62 ± 0.06 | <.0001‡ | .0005‡ | .1 |
| 95% CI | 12.61, 12.64 | 12.62, 12.65 | |||
| Lag time (ms) | |||||
| Mean ± SD | 0.35 ± 0.38 | 0.36 ± 0.37 | <.0001‡ | .001‡ | .3 |
| 95% CI | 0.28, 0.42 | 0.28, 0.45 | |||
| Applanation onset time (ms) | |||||
| Mean ± SD | 7.49 ±0.44 | 7.58 ± 0.51 | <.0001‡ | .0002‡ | .9 |
| 95% CI | 7.40, 7.57 | 7.42, 7.84 | |||
| Slope up (ms−1) | |||||
| Mean ± SD | 39.19 ± 12.89 | 39.69 ± 1.03 | .9 | .9 | .8 |
| 95% CI | 36.68, 41.70 | 36.45, 42.93 | |||
| Slope down (ms−1) | |||||
| Mean ± SD | −47.03 ± 31.93 | −48.13 ± 3.53 | .9 | .2 | .3 |
| 95% CI | −51.25, −4.83 | −53.25, −4.13 | |||
| HLA × 103 | |||||
| Mean ± SD | 87.01 ± 21.16 | 89.12 ± 24.57 | <.0001‡ | .009‡ | .2 |
| 95% CI | 82.90, 91.13 | 86.63, 92.43 | |||
| Impulse × 103 | |||||
| Mean ± SD | 4.18 ± 3.15 | 4.19 ± 3.28 | <.0001‡ | .001‡ | .2 |
| 95% CI | 4.12, 4.24 | 4.14, 4.31 | |||