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Coronary collateral circulation: its relevance

Wassef Karrowni1, Ramzi N El Accaoui, Kanu Chatterjee

  • 1Division of Cardiovascular Diseases, University of Iowa Hospitals and Clinics, Iowa City, Iowa.

Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions
|March 6, 2013
PubMed

Insights

Coronary collateral circulation (CCC) acts as natural bypasses, crucial for patients with severe atherosclerosis. Recent advancements improve assessment, highlighting CCC

Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology

Background:

  • Coronary collateral circulation (CCC) is increasingly recognized as vital
  • natural bypasses
  • especially for patients ineligible for conventional revascularization due to severe coronary atherosclerosis.

Purpose of the Study:

  • To review recent advancements in understanding the anatomy and physiology of CCC.
  • To analyze the functional significance of CCC in various stages of coronary artery disease (CAD).
  • To update knowledge on the role of collateral circulation in managing coronary chronic total occlusions (CTOs).

Main Methods:

  • Review of recent literature on coronary collateral circulation.
  • Analysis of studies assessing collateral flow adequacy.
  • Focus on clinical significance in acute, subacute, and chronic coronary artery disease, including CTOs.

Main Results:

  • Growing interest in CCC due to its
  • natural bypass
  • potential.

Conclusions:

  • Reliable methods for assessing collateral flow adequacy are now available.
  • CCC plays an essential role in the management of coronary chronic total occlusions.
  • Further understanding of CCC's functional significance in diverse clinical settings is ongoing.

Keywords:
coronary artery diseasetotal occlusionsvascular biology

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