Table 3.
Left ventricular (LV) pressure measurements without aortic calibration factors
| Canine 3
|
Canine 4
|
|||||||
|---|---|---|---|---|---|---|---|---|
| SHAPE║ | Catheter | Error (mmHg) | Percent Error | SHAPE║ | Catheter | Error (mmHg) | Percent Error | |
| M-LVDP* | 13.61 | 14.25 | −0.64 | −4 | 15.43 | 13.02 | 2.41 | 19 |
| LVDmin† | 5.82 | 7.23 | −1.41 | −20 | 12.04 | 9.59 | 2.45 | 26 |
| LVEDP‡ | 12.06 | 18.13 | −6.07 | −33 | 21.99 | 13.01 | 8.98 | 69 |
| LVPSP§ | 82.66 | 79.57 | 3.09 | 4 | 83.84 | 84.59 | −0.75 | 1 |
| Heart Rate (per min.) |
99.98 | 100.71 | N/A | N/A | 94.79 | 91.55 | N/A | N/A |
mean LV diastolic pressure,
minimum LV diastolic pressure,
LV end diastolic pressure,
LV peak systolic pressure,
subharmonic aided pressure estimation
LV pressures from two canines (where data was acquired from the LV only) using SHAPE compared to the reference standard (manometer catheter). The errors are indicated as in Table 2.