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[Intercoronary anastomoses of congenital origin. Apropos of a case]

T Lefevre1, A Bernard

  • 1Département de radiologie cardio-vasculaire et d'intervention, Neuilly-sur-Seine.

Archives Des Maladies Du Coeur Et Des Vaisseaux
|June 1, 1989
PubMed

Insights

Congenital intercoronary anastomoses are rare vascular connections between coronary arteries. This case highlights an exceptional variant, distinct from collateral arteries, potentially offering protection against coronary artery disease.

Area of Science:

  • Cardiology
  • Vascular Anatomy

Background:

  • Intercoronary anastomoses are typically small and not visible on coronary arteriography unless obstructive coronary lesions are present.
  • Congenital intercoronary anastomoses represent a distinct entity from acquired collateral vessels.

Purpose of the Study:

  • To present a rare case of congenital intercoronary anastomosis between the right coronary artery and the circumflex artery.
  • To differentiate congenital anastomoses from collateral arteries based on angiographic features.

Main Methods:

  • Case report presentation.
  • Review of relevant medical literature.

Main Results:

  • A case of congenital intercoronary anastomosis between the right coronary artery and circumflex artery was identified without coronary lesions.
  • This represents an exceptional variant, with only 12 previously reported cases.
  • The anastomosis was predominantly located in the atrioventricular sulcus (11 cases) versus the interventricular sulcus (1 case).

Conclusions:

  • Congenital intercoronary anastomoses are distinct from collateral arteries and do not indicate underlying coronary disease.
  • These anastomoses possess unique angiographic characteristics.
  • They may offer a protective role in the event of lesions developing in the connected coronary arteries.

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