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Prehospital Thrombolysis: A Manual from Berlin
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Does Catheter-Directed Thrombolysis Prevent Postthrombotic Syndrome?

Young-Ah Kim1, Shin-Seok Yang1, Woo-Sung Yun1

  • 1Division of Transplantation and Vascular Surgery, Department of Surgery, Yeungnam University Medical Center, Yeungnam University College of Medicine, Daegu, Korea.

Vascular Specialist International
|July 10, 2018
PubMed
Summary

Catheter-directed thrombolysis (CDT) does not prevent postthrombotic syndrome (PTS) after deep vein thrombosis (DVT). Higher BMI and extensive clot burden are key risk factors for developing PTS.

Keywords:
Catheter directed thrombolysisPostthrombotic syndromeVenous thrombosis

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Area of Science:

  • Vascular Medicine
  • Interventional Cardiology
  • Thrombosis Research

Background:

  • Postthrombotic syndrome (PTS) is a common complication following deep vein thrombosis (DVT).
  • Identifying risk factors and effective preventive strategies for PTS is crucial for patient outcomes.
  • Catheter-directed thrombolysis (CDT) is a treatment option for extensive DVT, but its role in PTS prevention is debated.

Purpose of the Study:

  • To identify risk factors for developing postthrombotic syndrome (PTS) in patients with lower extremity deep vein thrombosis (DVT).
  • To evaluate the efficacy of catheter-directed thrombolysis (CDT) in preventing PTS development after DVT.

Main Methods:

  • Retrospective review of 139 limbs from 126 patients with proximal DVT between 2005 and 2013.
  • CDT was performed in 55 limbs (39.6%), achieving complete or partial recanalization.
  • Analysis of medical records to identify predictors of PTS, including body mass index (BMI) and thrombotic burden.

Main Results:

  • Median follow-up was 83 months; no significant differences in age, gender, symptom duration, anticoagulation, or DVT recurrence between CDT and non-CDT groups.
  • Higher BMI (OR 1.303) and longer thrombotic burden in ilio-femoral veins (OR 3.666) were significantly associated with PTS development.
  • CDT did not significantly influence the risk of developing PTS (P>0.05).

Conclusions:

  • Catheter-directed thrombolysis (CDT) is not effective in preventing postthrombotic syndrome (PTS) in patients with lower extremity deep vein thrombosis (DVT).
  • Elevated body mass index (BMI) and extensive ilio-femoral thrombotic burden are significant risk factors associated with PTS development.
  • Further research may explore alternative or adjunctive strategies for PTS prevention in high-risk DVT patients.