Table 2.
Deep vein thrombosis after endovenous ablation of the saphenous vein
| Group | Total | RFA | 1470R | 980B | P** |
|---|---|---|---|---|---|
| Treated limbs | 8318 | 1026 | 1174 | 6118 | |
| Total DVT | 35 (0.42) | 3 (0.29) | 5 (0.43) | 27 (0.44) | NS |
| Proximal type | 4 (0.05) | 0 (0) | 1 (0.09) | 3 (0.05)* | NS |
| Distal type | 31 (0.37) | 3 (0.29) | 4 (0.34) | 24 (0.39) | NS |
RFA: radiofrequency ablation; 1470R: endovenous laser ablation using 1470 nm diode lazer with radial 2rings fiber; 980B: endovenous laser ablation using 980 nm diode lazer with bare-tip fiber; DVT: deep vein thrombosis Value are number (%) of limbs proximai type is defined as occurring in the popliteal vein and above distal type is defined as occurring in the calf veins
* Anticoagulant therapy was administer at hospitalization. One patient have developed with asymptomatic pulmonary embolism.
** χ2 test, NS: not significant