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Ileocolic Artery

The ileocolic artery emerges around the root of the mesentery of the small intestine via the superior mesenteric artery, going down towards the right in the direction of the caecum inside the mesentery, as well as going across anterior to the right ureter, genital vessels along with psoas major.

 

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Ileocolic Artery

Ileocolic Artery

Origin

It is the lowest section emerging via the right side. It divides within the ascending as well as descending sections and goes down and towards the right. The ascending branch anastomoses together with the descending section of the right colic artery as well as the descending (inferior) section anastomoses along the terminal end of the superior mesenteric artery.

The descending/inferior branch of the ileocolic artery also produces:

  • Anterior and posterior caecal arteries towards the caecum.
  • Appendicular artery to the appendix.
  • Ileal branch into the terminal portion of the ileum.

Insertion

After dividing, from the superior mesenteric, the ileocolic artery goes down posterior to the peritoneum a slim tissue which surrounds the abdominal wall and right of the hip bone’s iliac fossa that is the top-front of the pelvis. It later splits within a superior along with an inferior branch.

The ileocolic also divides within the appendicular, superior, as well as inferior cecal arteries throughout its path. The ileocolic artery circulates oxygenated blood towards the appendix, cecum, and ileum via these sections, each of which are constituents inside the small and large intestines. The ileum lies at the end of the small intestine; meantime the cecum and appendix lie at the start of the large intestine.

Branches

It splits into an ileal branch which circulates the terminal ileum and anastomoses along with the terminal SMA and a colic branch which provides the proximal ascending colon and anastomoses with the coming down section of the right colic artery. It also produces anterior and posterior caecal arteries, one or both which releases a branch that anastomoses with appendicular artery and often changes it.

The inferior section of the ileocolic runs towards the upper border of the ileocolic junction as well as supplies the following branches:

  • Colic branch of ileocolic artery, that enter up on the ascending colon – via the posterior section of the inferior branch of the ileocolic artery
  • Ileocecal Artery.
  • Anterior cecal artery and posterior cecal artery, which are dispersed to the front and back of the cecum.
  • Ileal section of ileocolic artery, which goes on up as well as to the left on the lower part of the ileum and also anastomoses with the ending of the superior mesenteric artery.
  • An appendicular artery.

Seclusion and Division of the Ileocolic Artery

  1. Mild traction on the ileocecal junction exposes the ileocolic artery.
  2. The ileocolic artery must be the first branch seen on the mesentery via the duodenum.
  3. The ileocolic artery must not be puzzled with the superior mesenteric artery.
  4. The anatomic landmark of this procedural action is the duodenum.
  5. As soon as the artery is recognized, subtraction is performed by the third arm and is dissected utilizing the first and second arms.
  6. Medial to lateral dissection is carried out till the duodenum is determined.
  7. At that point, the vessel is split utilizing the vessel sealant or energy source of option.
  8. Also, a medial to lateral dissection can be carried out to expose the duodenum and the ileocolic artery.
  9. Around 10-15% of patients have a true right colic artery which might have to be split.

Supply

The ileocolic artery gives the main arterial circulation towards the caecum.


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By | 2018-02-01T08:38:08+00:00 September 20th, 2017|Abdomen, Anatomy, Arteries|0 Comments