Table 20:
Patency With Mechanical Thrombectomy Use in Acute and Subacute DVT in Observational Studies
| Results | ||||
|---|---|---|---|---|
| Author, year | Outcome measurement | MT | Comparator | P value |
| PMT (AngioJet) | ||||
| Huang et al, 201596 | Post-procedural patency, venous registry indexa | 2.44 (SD ± 1.46) | 3.56 (SD ± 2.17) | P = .126 |
| Primary patency rate at 12 mo | 93.8% (n = 15) | 88.9% (n = 16) | P = .648 | |
| Huang et al, 202197 | Primary patency rate at 5 y | 52% (n = 26) | 45% (n = 19) | P = .538 |
| Kuo et al, 201798 | Mean thrombolysis rate at 24 mo | -93.25% (SD ± 11.7) | -89.46% (SD ± 15.9) | P = .378 |
| Lee et al, 202099 | Primary patency rate | 100% (n = 20) | 95% (n = 19) | P = .317 |
| Pouncey et al, 2020103 | Primary patency rate at 2 y | 25.0% (n = 17) | 28.75% (n = 23) | Kaplan-Meier curve P = .24 |
| Tian et al, 2021105 | Clinical efficacy rate at discharge | 100% (n = 48) | 96% (n = 48) | P = .162 |
| Xu et al, 2020108 | Primary patency rate at 12 mo | 93.3% (n = 28) | 88.6% (n=39) | P = .694 |
| Vacuum Aspiration (Indigo) | ||||
| No studies met our inclusion criteria for this mechanical thrombectomy device | ||||
| Rotational (Rotarex or Cleaner) | ||||
| Ezelsoy et al, 201595 | Recanalization within 6 mo | 84% (n = 21) | 56% (n = 14) | P = .031 |
| Femoral venous insufficiency | 36% (n = 9) | 60% (n = 15) | P = .089 | |
| Ultrasound Assisted (EKOS) | ||||
| Lu et al, 201775 | Primary patency rate at 24 mo | 41.1% (n = 21) | 23.8% (n = 5) | P = .10 |
| Tichelaar et al, 2016106 | Patency, open | 76% (n = 13) | 79% (n = 30) | P = .88 |
Abbreviations: DVT, deep vein thrombosis; MT, mechanical thrombectomy; PMT, pharmacomechanical thrombectomy; SD, standard deviation.
a
Baseline rates were not statistically different between intervention groups, although the post-procedural rates are statistically significantly lower in both groups from baseline.