Anatomic variations of the hepatic artery : A study of 33 cases and review

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Published May 9, 2011
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Vol. 89 No. 5 (2011): Issue May 2011

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Amine Daghfous
Oussama Baraket
Heykal Bedioui
Sofiene Ayadi
Mongi Mighri
Hassen Touinsi
Mohamed Jouini
Montacer Kacem
Zoubeir Ben Safta
Sassi Sadok

Abstract

Background: The hepatic artery is prone to numerous anatomic variations dictated by certain variables of the organogenesis.
Aim : To research study the anatomic variations of the hepatic artery as well as their implications within surgical practice.
Methods: Study of a post-mortem series of 33 cases of dissection of the hepatic pedicle with fresh corpses (deaths amounting no longer than 24 hours), carried out in conditions that are quite close to those met with the living ones.
Results: The common hepatic artery was divided at the foot of the hepatic pedicle into a gastro duodenal artery and into a proper hepatic artery in 94% of the cases. In 6% of the cases, we noticed a threelevel change, a branching of the average hepatic artery into a gastro duodenal artery, a right hepatic artery and a left hepatic artery. The proper hepatic artery represented the pedicle segment of the hepatic artery in 94% of the cases. In 36% of the cases, the liver was irrigated
by two hepatic arteries. In 12% of the cases, there was the matter of the right hepatic artery, branch of the mesenteric artery. In 24% of the cases, there was the matter of the left hepatic artery branch of the left gastric artery.
Conclusion: The perfect knowledge in preoperative and preoperative stages of the anatomic variations of the hepatic pedicle is quite essential. Actually, the lack of knowledge of these variations exposes to the risk of certain complications which are sometimes deadly during hepatic transplants, pancreatic surgery, cholecystectomies, through laroscopic way as well as in the treatment of gastro-esophagus surging.

Keywords:

Anatomy, Surgery, Liver, Transplant, Coelioscopy

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