Table 5.
Parameters for myocardial contractility
| Myocardial contractility | Pre TAVI | Post TAVI | p value |
|---|---|---|---|
| EDV (ml) | 94.00 (± 12.57) | 120.13 (± 37.79) | 0.094 |
| ESV (ml) | 44.13 (± 18.51) | 58.25 (± 11.60) | 0.035 |
| EDP (mmHg) | 13.13 (± 3.91) | 16.38 (± 5.53) | 0.015 |
| ESP (mmHg) | 134.88 (± 21.94) | 121.75 (± 20.26) | 0.176 |
| PRSW (mmHg) | 68.49 (± 32.75) | 44.78 (± 20.88) | 0.012 |
| dP/dt + (mmHg/s) | 1099.00 (± 300.61) | 977.13 (± 288.86) | 0.093 |
| dP/dt − (mmHg/s) | − 1168.00 (± 193.39) | − 1024.50 (± 254.17) | 0.036 |
| TAU (ms) | 37.25 (± 5.63) | 41.75 (± 7.50) | 0.018 |
| End-systolic elastance (mmHg/ml) | 3.55 (± 1.51) | 2.17 (± 0.61) | 0.036 |
| SCI (mmHg/ml s) | 11.85 (± 3.17) | 8.88 (± 3.87) | 0.069 |
Data assessed by PV-loop catheter and is shown as mean (± standard deviation)
dP/dt + and dP/dt maximum and minimum rate of pressure change, EDP end-diastolic pressure, EDV end-diastolic volume, ESP end-systolic pressure, ESV end-systolic volume, PRSW preload recruitable stroke work, SCI starling contractility index, TAU isovolumic relaxation constant