Table 3.
The hemodynamic parameters measured by echo-colour Doppler with the two devices under study
|
TAV
FV
|
P value |
BF
FV
|
P value |
TAV
PA
|
P value |
BF
PA
|
P value |
||
|---|---|---|---|---|---|---|---|---|---|
| (cm/sec) |
TAV
FV
|
(ml/min) |
BF
FV
|
(cm/sec) |
TAV
PA
|
(ml/min) |
BF
PA
|
||
| Baseline vs phases | Baseline vs phases | Baseline vs phases | Baseline vs phases | ||||||
|
GP |
Baseline |
10.2 ± 3.3 |
|
452.0 ± 187.2 |
|
13.8 ± 6.9 |
|
96.8 ± 73.6 |
|
| CP-30’ |
18.6 ± 6.7 |
<0.0001 |
799.9 ± 351.2 |
0.0004 |
14.1 ± 6.8 |
n.s. |
103.4 ± 92.1 |
n.s. |
|
| Cc-30’ |
8.4 ± 3.8 |
n.s |
343.4 ± 209.3 |
0.03 |
13.0 ± 7.2 |
n.s. |
93.1 ± 75.3 |
n.s. |
|
| D-30’ |
15.1 ± 6.1 |
0.0006 |
632.2 ± 291.2 |
0.01 |
14.3 ± 16.6 |
n.s. |
127.3 ± 97.5 |
n.s. |
|
| End |
13.5 ± 5.5 |
0.004 |
607.9 ± 237.8 |
0.0001 |
16.6 ± 5.7 |
0.04 |
154.5 ± 160.5 |
0.04 |
|
| SFC | Baseline |
11.2 ± 3.4 |
|
513.8 ± 203.7 |
|
15.5 ± 7.9 |
|
110.4 ± 81.0 |
|
| C-30’ |
25.9 ± 7.9 |
<0.0001 |
1139.8 ± 269.5 |
<0.0001 |
18.6 ± 9.2 |
n.s. |
137.0 ± 79.0 |
n.s. |
|
| D-30’ |
10.7 ± 4.7 |
n.s. |
421.7 ± 139.2 |
0.05 |
19.0 ± 9.1 |
n.s. |
136.0 ± 82.1 |
n.s. |
|
| End | 11.8 ± 4.3 | n.s. | 505.9 ± 166.5 | n.s. | 15.1 ± 6.8 | n.s. | 110.6 ± 66.3 | n.s. |
Parameters were measured during the different phases of an operative cycle at baseline, after 30 minutes, and at the end of the treatment.
Abbreviations: GP Gradient Pump device, SFC sequential foot-calf device, TAV Time Averaged Velocity, BF Blood Flow, FV Femoral Vein, PA Popliteal artery.
For GP device: Cp, early (pushing) compression phase, and Cc, full (closing) compression phase; D, Decompression phase. For SFC device: C, Compression phase; D, Decompression phase.
Data refer to 12 patients/20 diseased legs for GP device and 11 patients/18 diseased legs for SFC device.