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Synergizing Antegrade Endoscopic with Bridging Vein Harvesting for Improvement of Great Saphenous Vein Graft Quality from the Lower Leg
09:04

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Published on: November 19, 2019

Below-the-knee revascularization. Advanced techniques.

U SCHWARZWALDER1, T ZELLER

  • 1Department of Angiology, Herz-Zentrum Bad Krozingen, Bad Krozingen, Germany. uwe.schwarzwaelder@herzzentrum.de

The Journal of Cardiovascular Surgery
|September 11, 2009
PubMed
Summary
This summary is machine-generated.

Endovascular therapy for below-the-knee (BTK) lesions offers high limb salvage rates. While promising, novel devices need more data to prove superiority over conventional balloon angioplasty for treating critical limb ischemia.

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Area of Science:

  • Vascular Surgery
  • Interventional Cardiology
  • Endovascular Therapy

Background:

  • Below-the-knee (BTK) lesions are increasingly prevalent, often associated with diabetes and end-stage renal failure.
  • Endovascular therapy aims to restore blood flow to the foot, alleviating pain, healing ulcers, and preventing limb loss.

Purpose of the Study:

  • To review recent advancements in revascularization and endovascular techniques for treating BTK lesions.
  • To evaluate the efficacy of novel devices compared to established therapies.

Main Methods:

  • Review of current literature on endovascular treatments for BTK lesions.
  • Analysis of data on balloon angioplasty, bare-metal stents, and novel devices (laser, atherectomy, drug-eluting technologies).

Main Results:

  • High acute technical success rates (>90%) and limb salvage rates (~95%) are achievable with endovascular therapy for complex BTK disease.
  • Conventional balloon angioplasty shows 1-year restenosis rates from 30% to 80% depending on lesion complexity.
  • Novel devices currently lack sufficient data to demonstrate improved efficacy over balloon angioplasty.

Conclusions:

  • Endovascular therapy is effective for BTK lesions, justifying its wider use.
  • Further research is needed to establish the role of new devices in improving long-term outcomes for BTK revascularization.