Table 3.
Values of hemodynamic parameters in normal functioning mechanical prothesis based on valve type and sizes within first follow-up
| Valve Subtypes | Number |
Size (mm) |
PPG (mm Hg) |
MPG (mm Hg) |
PV (m/sec) |
PVAT (ms) | DVI | EOA (cm2) | EOA/BSA (cm2/m2) |
|---|---|---|---|---|---|---|---|---|---|
| St. Jude | 2 | 21 | 20 (19–21) | 12 (11–13) | 2.15 (2.10–2.20) | 97.5 (85–110) | 0.50 (0.50–0.50) | 1.73 (1.73–1.73) | 1 (0.98–1.02) |
| 18 | 23 | 20 (7–35) | 11 (3.5–20) | 2 (1.20–2.90) | 87 (52–118) | 0.60 (0.24–0.90) | 2.49 (1–3.74) | 1.64 (0.77–2.60) | |
| 43 | 25a | 18.09(±7.45) | 10.95(±5.85) | 1.96(±0.43) | 82.95(±10.83) | 0.59(±0.20) | 2.89(±0.98) | 1.78(±0.64) | |
| 9 | 27 | 15 (6–30) | 6 (3–18) | 1.80 (1.20–2.70) | 90 (72–116) | 0.73 (0.55–0.84) | 4.18 (3.15–4.81) | 2.32 (1.82–3.16) | |
| 0 | 29 | – | – | – | – | – | – | – | |
| 1 | 31 | 14 | 7 | 1.60 | 93 | 0.76 | 5.73 | 3.19 | |
| Carbomedics | 0 | 21 | – | – | – | – | – | – | – |
| 2 | 23 | 18.5 (17–20) | 12 (12–12) | 2.00 (1.80–2.20) | 77.5 (70–85) | 0.40 (0.30–0.50) | 1.66 (1.25–2.08) | 0.98 (0.7–2.27) | |
| 14 | 25 | 19.50 (11–30) | 11 (5–33) | 2.05 (1.60–2.70) | 88.5 (64–108) | 0.67 (0.30–0.90) | 3.26 (1.47–4.42) | 1.84 (0.84–2.94) | |
| 2 | 27 | 19 (10–28) | 10 (6–14) | 1.90 (1.40–2.40) | 77.5 (75–80) | 0.71 (0.70–0.72) | 4.06 (4.01–4.12) | 2.26 (2.23–2.29) | |
| 1 | 29 | 14 | 7 | 1.70 | 76 | 0.4 | 2.64 | 1.89 | |
| 0 | 31 | – | – | – | – | – | – | – | |
| On-X | 0 | 21 | – | – | – | – | – | – | – |
| 3 | 23 | 20 (7–36) | 12 (4–22) | 2.20 (1.10–2.70) | 112 (106–118) | 0.80 (0.70–0.90) | 3.32 (2.91–3.74) | 2.37 (1.94–2.87) | |
| 10 | 25 | 16.50 (7–24) | 10 (3–13) | 1.80 (1.30–2.40) | 100 (55–118) | 0.55 (0.30–0.80) | 2.70 (1.47–3.93) | 1.46 (0.87–2.18) | |
| 1 | 27 | 23 | 13 | 2.20 | 113 | 0.7 | 4.01 | 1.91 | |
| 2 | 29 | 20 (18–22) | 11.50 (11–12) | 2.10 (1.90–2.30) | 102.5 (95–110) | 0.55 (0.50–0.60) | 3.63 (3.30–3.96) | 2.02 (1.83–2.20) | |
| – | – | – | – |
The parameters demons trated in median and range
PPG peak pressure gradient, MPG mean pressure gradient, PV pulmonary velocity, PVAT pulmonary velocity acceleration time, DVI doppler velocity index, EOA effective orifice area, EOA/BSA effective orifice area division to body surface area
a Data represented as mean (±SD)