Table 2: Patient characteristics, intervention and outcome according to limb treatment by endovenous laser ablation using the 980 nm and 1470 nm laser.
| 980nm | 1470nm | |
|---|---|---|
| Patients, No. (%) | 20 (8) | 220 (92) |
| Age, y M±SD | 65 ± 10 | 65 ± 10 |
| Men : female | 8:12 | 70:150 |
| Right : left | 8:12 | 124:96 |
| GSV : SSV | 17:3 | 197:23 |
| Diameter, mm M±SD | 8.5 ± 2.2 | 7.3 ± 2.2 |
| Op time, min M±SD | 40 ± 11 | 27 ± 10 |
| With phlebectomy | 42 ± 10 | 34 ± 8 |
| With no phlebectomy | 31 ± 9* | 22 ±7* |
| Length, cm M±SD | 36 ± 10 | 33 ± 10 |
| LEED (J/cm) M±SD | 84 ± 10 | 77 ± 18 |
| Time, sec M±SD | 382 ± 103 | 250 ± 93 |
| Complications | ||
| Pain, mild: moderate (%) | 4 (20) : 2 (10) | 5 (2.3) : 0 |
| Induration along SV | -** | 4 (1.8) |
| Bruising, mild: moderate: severe(%) | 1 (5) : 0 : 1 (5) | 6 (2.7) : 1 (0.45) : 0 |
| EHIT class 1:2:3 (%) | 4 (20) : 1(5) : 0 | 52 (24) : 4 (2) : 0 |
| Skin burn (%) | 0 | 1 (0.45%) |
| Nerve injury (%) | 0 | 2 (0.90) |
EVLA, endovenous laser ablation; GSV, great saphenous vein; SSV, short saphenous vein; SV, saphenous vein; Diameter, Vein diameter; M±SD, mean ± standard; Op time, Operative time; Length, Length of treated SV; LEED, linear endovenous energy density; Time, Ablation time; EHIT, endovenous heat-induced thrombus
*:
The mean operative time in group B1 (with no phlebectomy) was 31 ± 9 minutes, while that in group B2 (with no phlebectomy) was 22 ±7 minutes, which was statistically significant (p<0.05).
**:
no data