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Rheolytic thrombectomy during percutaneous coronary intervention improves long-term outcome in high-risk patients

Salvatore De Rosa1, Plinio Cirillo, Giuseppe De Luca

  • 1Division of Cardiology, University of Naples Federico II, Naples, Italy.

Journal of Interventional Cardiology
|August 8, 2007
PubMed

Insights

AngioJet rheolytic thrombectomy improves immediate outcomes in acute myocardial infarction (AMI) patients with high thrombus burden. This technique also leads to better long-term clinical results, including reduced death and major adverse cardiac events compared to conventional percutaneous coronary angioplasty (PTCA).

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Biomedical Engineering

Background:

  • Intravascular thrombosis, often from plaque rupture, is central to acute coronary syndromes.
  • Percutaneous coronary angioplasty (PTCA) is a primary treatment, but distal embolization of thrombotic material can cause procedural failure.

Purpose of the Study:

  • To compare AngioJet rheolytic thrombectomy plus PTCA with conventional PTCA.
  • To evaluate immediate and 1-year outcomes in acute myocardial infarction (AMI) patients with high thrombus burden.

Main Methods:

  • A comparative study of 60 consecutive patients with AMI and high thrombus burden.
  • 30 patients underwent AngioJet thrombectomy followed by PTCA.
  • 30 patients underwent standard PTCA.

Main Results:

  • AngioJet group showed higher final Thrombolysis In Myocardial Infarction (TIMI) flow grade 3 (93.3% vs 83.3%).
  • Mean corrected TIMI frame count was significantly lower in the AngioJet group (22.4 vs 32.4).
  • At 1-year, AngioJet group had lower rates of death (3.33% vs 13.33%), major adverse cardiac events (10% vs 30%), and revascularization (6.67% vs 20%).

Conclusions:

  • AngioJet thrombectomy in selected AMI patients improves immediate angiographic results.
  • This approach is associated with significantly better long-term clinical outcomes compared to conventional PTCA.
Abstract

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