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New Thrombectomy Technique for Total Portal Vein Thrombosis in Liver Transplantation
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Comparing different thrombectomy techniques in five large-volume centers: a 'real world' observational study.

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The primary combined approach (PCA) using stent-retriever and aspiration-catheter achieved significantly higher reperfusion rates for acute ischemic stroke. This technique also reduced emboli in new territory and attempts, making it the most effective thrombectomy method.

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Area of Science:

  • Neurology
  • Interventional Radiology
  • Cardiovascular Research

Background:

  • Mechanical thrombectomy is the standard treatment for acute ischemic stroke caused by large vessel occlusion.
  • Various thrombectomy techniques exist, including aspiration catheters, stent-retrievers, and combined approaches.

Purpose of the Study:

  • To compare the radiological outcomes and time metrics of different thrombectomy techniques.
  • To evaluate the effectiveness of aspiration catheters, stent-retrievers, and primary combined approaches (PCA).

Main Methods:

  • Retrospective analysis of 450 patients with anterior circulation large vessel occlusion from 2013-2016.
  • Patients were treated with aspiration-catheter, stent-retriever, or primary combined approach (PCA).
  • Primary endpoints: successful reperfusion and groin to reperfusion time. Secondary endpoints: number of attempts and emboli in new territory (ENT).

Main Results:

  • The PCA group showed significantly higher reperfusion rates (86%) compared to aspiration (73%) and stent-retriever (65%) groups.
  • No significant difference in groin to reperfusion time was observed between techniques.
  • The PCA technique resulted in the lowest rates of ENT and attempts.

Conclusions:

  • Combined first-pass use of stent-retriever and aspiration-catheter (PCA) is the most effective technique for reperfusion in anterior circulation large vessel occlusion.
  • Results align with previous single-center studies reporting high reperfusion rates with PCA variations.