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Related Concept Videos

Aneurysm III: Interprofessional Care01:26

Aneurysm III: Interprofessional Care

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Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
247

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Related Experiment Video

Updated: Jan 10, 2026

Author Spotlight: Development and Application of a Novel Suture Technique for Annular Fibrosus Repair in Percutaneous Transforaminal Endoscopic Discectomy
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Author Spotlight: Development and Application of a Novel Suture Technique for Annular Fibrosus Repair in Percutaneous Transforaminal Endoscopic Discectomy

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Antegrade Dissection Reentry Review.

Cliff Kf Li1, James C Spratt2

  • 1Department of Cardiology, Tan Tock Seng Hospital, Singapore.

Interventional Cardiology Clinics
|November 23, 2025
PubMed
Summary
This summary is machine-generated.

Antegrade dissection reentry (ADR) is a key technique for chronic total occlusion (CTO) percutaneous coronary intervention. This review details the essential phases and common methods of ADR for successful CTO treatment.

Keywords:
Antegrade dissection reentryAntegrade wiringChronic total occlusionCrossBossIntracoronary imagingReCrossStingrayTip-directed antegrade dissection reentry

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Area of Science:

  • Interventional Cardiology
  • Vascular Surgery

Background:

  • Chronic total occlusions (CTOs) present significant challenges in percutaneous coronary intervention.
  • Antegrade dissection reentry (ADR) is a vital strategy for navigating and treating CTOs.
  • ADR utilizes the subintimal space to bypass plaque and achieve distal true lumen reentry.

Purpose of the Study:

  • To provide a comprehensive overview of Antegrade Dissection Reentry (ADR) techniques.
  • To elucidate the fundamental phases involved in ADR procedures.
  • To serve as a resource for interventional cardiologists performing CTO interventions.

Main Methods:

  • Review of commonly described Antegrade Dissection Reentry (ADR) techniques.
  • Analysis of the three key phases of an ADR procedure: proximal cap disruption, subintimal dissection extension, and targeted distal reentry.
  • Synthesis of existing literature on ADR strategies for CTO percutaneous coronary intervention.

Main Results:

  • ADR involves distinct procedural steps crucial for success in CTO interventions.
  • Understanding these phases aids operators in achieving high procedural success rates.
  • Various ADR techniques exist, offering flexibility in approach.

Conclusions:

  • Antegrade Dissection Reentry (ADR) is a cornerstone technique for chronic total occlusion percutaneous coronary intervention.
  • Mastery of ADR phases and techniques is essential for interventional cardiologists.
  • ADR contributes significantly to the high success rates observed in CTO interventions.