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Chronic Total Occlusion Crossing Techniques for Infra-Inguinal Peripheral Artery Disease: A Contemporary Guide for

Srini Tummala1, Aakash Neelupalli Reddy1

  • 1Florida Vascular Specialists, Cooper City, FL.

Techniques in Vascular and Interventional Radiology
|March 13, 2026
PubMed

Insights

Chronic limb-threatening ischemia (CLTI) requires advanced techniques for infrainguinal chronic total occlusions (CTOs). Mastering these strategies is crucial for successful revascularization, preventing amputation, and improving patient survival.

Area of Science:

  • Vascular Surgery
  • Interventional Cardiology
  • Peripheral Artery Disease Management

Background:

  • Chronic limb-threatening ischemia (CLTI) is a severe form of peripheral artery disease.
  • CLTI often involves complex infrainguinal arterial disease, including chronic total occlusions (CTOs).
  • High CTO crossing failure rates can lead to poor outcomes like amputation and mortality.

Purpose of the Study:

  • To review and synthesize current catheter-based and guidewire strategies for managing infrainguinal CTOs.
  • To highlight the importance of mastering CTO crossing techniques for vascular specialists.
  • To improve procedural success and clinical outcomes in CLTI patients.

Main Methods:

  • Systematic review of catheter-based techniques for CTO crossing.
  • Analysis of various guidewire strategies employed in infrainguinal CTO management.
  • Synthesis of current literature on endovascular approaches to CTOs.

Main Results:

  • Infrainguinal CTOs present significant challenges in CLTI management.
  • Various endovascular tools and techniques exist for CTO crossing.
  • Operator expertise significantly influences CTO crossing success rates.

Conclusions:

  • Successful infrainguinal CTO crossing is vital for limb salvage in CLTI.
  • Mastery of diverse endovascular techniques is essential for vascular specialists.
  • Optimizing CTO revascularization improves patient survival and reduces amputation rates.

Keywords:
CTO crossing strategiesabove-the-knee revascularizationbelow-the-knee revascularizationchronic limb-threatening ischemiainfrainguinal CTOinfrainguinal diseaseinfrapopliteal diseaseperipheral arterial disease

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