Journal of Morphological Sciences
http://www.jms.periodikos.com.br/article/587cb45a7f8c9d0d058b4616
Journal of Morphological Sciences
Original Article

ANATOMICAL STUDY OF THE ANTERIOR INTERVENTRICULAR SEPTAL BRANCHES AND THEIR RELATIONSHIP WITH THE BLOOD SUPPLY OF THE SEPTOMARGINAL TRABECULA

Lucas Loss Possatti; Henrique Faria Ramos; Hildegardo Rodrigues; Fernando Musso

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Abstract

The aim of this study was to examine the morphological features of the anterior interventricular septal branches that supply blood to the septomarginal trabecula and to correlate the anatomical observations with the angiographic characteristics analyzed by hemodynamic procedures. Forty human hearts were dissected after injecting colored latex into the left coronary artery. The vascularization of the septomarginal trabecula was always derived from the anterior interventricular artery, via the first, second and third anterior interventricular septal branches in 21 hearts (52.5%), 17 hearts (42.5%) and two hearts (5%), respectively, and the distances from the left coronary artery ostium ranged from 22 to 51 mm. The external diameter of these vessels at their origin varied from 1.0 to 2.35 mm and the vessels were analyzed based on specific requirements for surgical and hemodynamic methods of myocardial revascularization. Myocardial bridges were located over or before the origin of the vessels studied.

Keywords

Coronariography, coronary arteries, interventricular septal branches, septomarginal trabecula
587cb45a7f8c9d0d058b4616 jms Articles
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J. Morphol. Sci.

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