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Chronic total occlusions - Current techniques and future directions.

George Touma1, David Ramsay1, James Weaver1

  • 1Department of Cardiology, The St George Hospital, Kogarah, Sydney, Australia.

International Journal of Cardiology. Heart & Vasculature
|August 9, 2017
PubMed
Summary
This summary is machine-generated.

Chronic total occlusions (CTOs) are a challenge in cardiology. Successful percutaneous revascularization significantly improves patient quality of life, driving renewed interest in these interventions.

Keywords:
AntegradeChronic total occlusionCrossBossKnuckle wireRetrogradeReverse CARTStingray balloonTechniques

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Area of Science:

  • Interventional Cardiology
  • Cardiovascular Research

Background:

  • Chronic total occlusions (CTOs) present a significant challenge in interventional cardiology.
  • Medical therapy and surgical intervention are traditional management strategies, with collateralization often indicating distal perfusion.
  • Historically low percutaneous intervention rates are attributed to challenges and lower success rates outside specialized centers.

Purpose of the Study:

  • To review the histopathology of CTOs.
  • To explore evolving treatment paradigms for CTO intervention.
  • To assess the impact of percutaneous revascularization on symptom control and quality of life.

Main Methods:

  • Review of current literature on CTO histopathology.
  • Analysis of shifting treatment strategies, including Japanese and North American approaches.
  • Evaluation of new techniques and equipment for CTO intervention focusing on efficiency and safety.

Main Results:

  • CTOs are not benign and significantly impact patient well-being.
  • Successful percutaneous revascularization leads to substantial improvements in symptom control and quality of life.
  • Newer techniques from North America emphasize reduced procedure time, radiation, and contrast use.

Conclusions:

  • There is a resurgence of interest in percutaneous CTO intervention due to improved outcomes.
  • Advancements in techniques and equipment offer alternatives to traditional approaches.
  • Understanding CTO histopathology is crucial for optimizing revascularization strategies.