Table 5.
DAP, AK, fluroscopy time regarding mechanical thrombolysis
| Variable | Mean DAP (Gy·cm2) | AK (mGy) | FT (min) |
|---|---|---|---|
| Sex | |||
| Male (n=186) | 190±124 | 1,342±948 | 33.2±25 |
| Female (n=140) | 151±116 | 1,118±892 | 36.9±29.4 |
| P-value | 0.006* | 0.04* | 0.245 |
| Occlusion site | |||
| Anterior (n=283) | 174± 114 | 1,244±883 | 34.9±26.7 |
| Posterior (n=43) | 192±146 | 1,385±1,125 | 36.0±24.3 |
| P-value | 0.345 | 0.343 | 0.799 |
| Result of recanalization | |||
| <TICI 2a (n=48) | 177±120 | 1,246±904 | 34.3±26.3 |
| ≥TICI 2b (n=278) | 170±109 | 1,358±998 | 39.8±26.2 |
| P-value | 0.725 | 0.433 | 0.178 |
| Number of device passage | |||
| 1 | 128±77 | 875±560 | 24±17 |
| 2 | 179±114 | 1,197±766 | 35±25 |
| ≥3 | 236±137 | 1,806±1,103 | 49±30 |
| P-value | 1 vs. 2: P=0.004* | 1 vs. 2: P=0.018* | 1 vs. 2: P=0.005* |
| 1 vs. ≥3: P=0.000* | 1 vs. ≥3: P=0.000* | 1 vs. ≥3: P=0.000* | |
| 2 vs. ≥3: P=0.001* | 2 vs. ≥3: P=0.000* | 2 vs. ≥3: P=0.000* | |
| Technique | |||
| Aspiration (A) | 132±118 | 866±641 | 24.3±22.5 |
| Stentriever (S) | 168±102 | 1,188±759 | 30.2±21.6 |
| Combined (C) | 208±123 | 1,558±1,067 | 45.4±28.4 |
| P-value | A vs. S: P=0.09 | A vs. S: P=0.034* | A vs. S: P=0.243 |
| A vs. C: P=0.00* | A vs. C: P=0.003* | S vs. C: P=0.000* | |
| S vs. C: P=0.019* | S vs. C: P=0.00* | A vs. C: P=0.000* |
DAP, dose-area product; AK, air-kerma; FT, fluoroscopic time; TICI, thrombolysis in cerebral infarction scale.
*
Remained significant.