Table 2. Electrophysiological and electrical parameters |
Table 2. Electrophysiological and electrical parameters |
Table 2. Electrophysiological and electrical parameters |
Table 2. Electrophysiological and electrical parameters |
Table 2. Electrophysiological and electrical
parameters |
Parameter |
Total (n=28) |
SIG (n=10) |
non-SIG (n=18) |
P Value |
Threshold in SVC, V at 2ms, mean (SD) |
Threshold in
SVC, V at 2ms, mean (SD) |
Threshold in SVC, V at 2ms, mean
(SD) |
Threshold in SVC, V at 2ms, mean (SD) |
Threshold in SVC, V at 2ms, mean (SD) |
Anterior |
1.7 (0.6) |
1.7 (0.6) |
1.7 (0.6) |
0.94 |
Septal |
1.6 (0.8) |
1.7 (0.9) |
1.5 (0.8) |
0.68 |
Posterior |
1.4 (0.6) |
1.4 (0.4) |
1.5 (0.7) |
0.85 |
Average |
1.6 (0.5) |
1.6 (0.5) |
1.6 (0.5) |
0.61 |
SVC-ERP, ms, mean (SD) |
SVC-ERP, ms, mean (SD) |
SVC-ERP, ms, mean (SD) |
SVC-ERP, ms, mean (SD) |
SVC-ERP, ms, mean (SD) |
Anterior |
280.0 (49.0) |
244.0 (28.0) |
300.0 (47.0) |
0.003 |
Septal |
269.2 (46.0) |
230.0 (27.1) |
291.1 (39.5) |
<0.001 |
Posterior |
272.1 (45.0) |
234.0 (35.3) |
293.3 (35.0) |
0.001 |
Average |
273.8 (43.4) |
236.0 (25.2) |
294.8 (36.8) |
<0.001 |
Dispersion |
32.1 (22.0) |
30.0 (25.4) |
33.3 (20.1) |
0.56 |
SVC sleeve, mm, mean (SD) |
SVC sleeve, mm, mean (SD) |
SVC sleeve, mm, mean (SD) |
SVC sleeve, mm, mean
(SD) |
SVC sleeve, mm, mean (SD) |
Length of SVC |
28.5 (10.4) |
29.6 (9.0) |
27.8 (11.2) |
0.70 |
Longer diameter of SVC |
24.5 (4.9) |
27.4 (4.3) |
22.9 (4.6) |
0.03 |
Shorter diameter of SVC |
16.1 (3.3) |
16.9 (3.3) |
15.6 (3.3) |
0.30 |
The SVC-ERP was significantly shorter and longer SVC diameters were
significantly longer in the SIG than in the non-SIG. Other parameters
were not significantly different between the two group.
Abbreviations: ERP, effective refractory period; non-SIG,
non-SVC-induced group; SD, standard deviation; SIG, SVC-induced group;
SVC, superior vena cava.
|
The SVC-ERP was significantly shorter and longer SVC diameters were
significantly longer in the SIG than in the non-SIG. Other parameters
were not significantly different between the two group.
Abbreviations: ERP, effective refractory period; non-SIG,
non-SVC-induced group; SD, standard deviation; SIG, SVC-induced group;
SVC, superior vena cava.
|
The SVC-ERP was significantly shorter and longer SVC diameters were
significantly longer in the SIG than in the non-SIG. Other parameters
were not significantly different between the two group.
Abbreviations: ERP, effective refractory period; non-SIG,
non-SVC-induced group; SD, standard deviation; SIG, SVC-induced group;
SVC, superior vena cava.
|
The SVC-ERP was significantly shorter and longer SVC diameters were
significantly longer in the SIG than in the non-SIG. Other parameters
were not significantly different between the two group.
Abbreviations: ERP, effective refractory period; non-SIG,
non-SVC-induced group; SD, standard deviation; SIG, SVC-induced group;
SVC, superior vena cava.
|
The SVC-ERP was significantly shorter and longer SVC diameters were
significantly longer in the SIG than in the non-SIG. Other parameters
were not significantly different between the two group.
Abbreviations: ERP, effective refractory period; non-SIG,
non-SVC-induced group; SD, standard deviation; SIG, SVC-induced group;
SVC, superior vena cava.
|