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[Rotation aspiration thromboembolectomy].

E E Starck1, H J Wagner

  • 1Institut für Röntgendiagnostik, Städtischen Kliniken, Kassel.

Deutsche Medizinische Wochenschrift (1946)
|January 4, 1991
PubMed
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Rotating aspiration thromboembolectomy (RAT) effectively treats long arterial occlusions when other methods fail. This mechanical fragmentation and aspiration technique achieved high success rates in patients with infrainguinal arterial disease.

Area of Science:

  • Vascular Surgery
  • Interventional Radiology
  • Cardiovascular Medicine

Context:

  • Infrainguinal arterial occlusions present a significant challenge, especially when conventional angioplasty techniques are unsuccessful.
  • Longer occlusions (mean 19.7 cm) and advanced disease stages (Fontaine IIb-IV) complicate treatment options.

Purpose:

  • To evaluate the efficacy and success of Rotating Aspiration Thromboembolectomy (RAT) in patients with infrainguinal arterial occlusions.
  • To assess RAT as a treatment alternative for complex arterial occlusions where standard angioplasty has failed.

Summary:

  • Rotating Aspiration Thromboembolectomy (RAT) involves mechanical fragmentation and aspiration of occlusive material, with simultaneous urokinase infusion.
  • The procedure was performed on 32 patients with infrainguinal arterial occlusions, achieving 96.9% primary angiographic success (residual stenosis ≤50%) and 90.6% primary clinical success (≥1 Fontaine stage improvement).

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Impact:

  • RAT demonstrates a high success rate for percutaneous intraluminal treatment of long thrombotic or embolic infrainguinal arterial occlusions.
  • This technique offers a viable solution for complex cases refractory to conventional angioplasty, improving patient outcomes and limb salvage.