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Catheter-directed thrombolysis with percutaneous rheolytic thrombectomy versus thrombolysis alone in upper and lower

Hyun S Kim1, Ajanta Patra, Ben E Paxton

  • 1Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA. sikhkim@jhmi.edu

Cardiovascular and Interventional Radiology
|September 13, 2006
PubMed

Insights

Catheter-directed thrombolysis (CDT) with rheolytic percutaneous mechanical thrombectomy (PMT) is as effective as CDT alone for deep vein thrombosis (DVT). This combined approach significantly reduces treatment time and urokinase dosage for acute proximal extremity DVT.

Area of Science:

  • Vascular Surgery
  • Interventional Radiology
  • Thrombosis Management

Background:

  • Deep vein thrombosis (DVT) of the extremities poses significant risks.
  • Catheter-directed thrombolysis (CDT) is a treatment option for extensive DVT.
  • Percutaneous mechanical thrombectomy (PMT) offers an adjunct to thrombolysis.

Purpose of the Study:

  • To compare the efficacy of CDT alone versus CDT combined with rheolytic PMT.
  • To evaluate outcomes for upper and lower extremity deep vein thrombosis (DVT).

Main Methods:

  • Retrospective cohort study of patients with acute iliofemoral or brachiosubclavian DVT.
  • Comparison of urokinase CDT alone versus combined CDT and rheolytic PMT.
  • Analysis of treatment duration, lytic dose, clot lysis rates, and complications.

Main Results:

  • Combined CDT and rheolytic PMT group had significantly shorter treatment duration (26.3 hr vs. 48.0 hr).
  • Combined group required lower mean urokinase doses (2.7 million units vs. 5.6 million units).
  • Complete clot lysis rates were comparable: 82% for combined therapy vs. 73% for CDT alone.

Conclusions:

  • CDT with rheolytic PMT is effective for acute proximal extremity DVT.
  • Pharmacomechanical thrombolysis offers reduced treatment time and lytic agent requirement.
  • Further randomized trials are recommended to confirm these benefits.
Abstract

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