Table 2.
Procedure results
| Variable | Total n = 28 |
3D CT overlay n = 14 |
Pulmonary Venography n = 14 |
p-value |
|---|---|---|---|---|
| Total Contrast used (cc) – Without PV angio |
58.6 (±26.9) 36.8 (±15.9) |
40.1 (±17.6) 40.1 (±17.6) |
77.1 (±21.2) 33.4 (±13.8) |
<0.001 ns |
| DAP (Gy.cm2) | 35.69 (±18.8) | 28.41 (±11.7) | 43.0 (±21.9) | 0.04 |
| Effective dose procedure (mSv) | 6.71 (±3.5) | 5.34 (±2.2) | 8.08 (±4.1) | 0.04 |
| Fluoroscopy time (min) | 29.4 (±9.8) | 28.8 (±11.2) | 30.1 (±8.4) | ns |
| Needle-TSP (min) | 16.5 (±8.4) | 14.7 (±3.6) | 18.2 (±11.3) | ns |
| Procedure time (min) | 110.1 (±28.5) | 113.2 (±36.7) | 106.9 (±17.8) | ns |
| Cryo-applications per procedure | 9.3 (±2.2) | 9.9 (±2.7) | 8.7 (±1.3) | ns |
Data are expressed in mean ± SD
PV angio Pulmonary vein angiography, DAP Dose area product, TSP Transseptal puncture, NS Not significant