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[Cystic artery anatomy characteristics in minimally invasive surgical procedures]
D Ignjatović1, V Zivanović, G Vasić
1Klinika za hirurgiju KBC Dr Dragisa Misović, Beograd.
Insights
Anatomical variations of the cystic artery, crucial for safe laparoscopic cholecystectomy, were classified into three types. Understanding these cystic artery variations is vital for minimizing bleeding during gallbladder surgery.
Area of Science:
- Surgical Anatomy
- Minimally Invasive Surgery
- Vascular Anatomy
Context:
- Laparoscopic cholecystectomy is a common procedure, yet intraoperative bleeding due to cystic artery variations can occur.
- Understanding the precise anatomy of the cystic artery is essential for surgical safety.
- Previous studies have not fully elucidated the spectrum of cystic artery variations encountered in clinical practice.
Purpose:
- To classify the anatomical variations of the cystic artery based on cadaveric studies.
- To provide a detailed description of different cystic artery types and their origins.
- To enhance the understanding of cystic artery anatomy relevant to minimally invasive surgery.
Summary:
- Three types of cystic artery anatomy were identified: normal (Type 1), multiple arteries in Calot's triangle (Type 2), and absence of an artery in Calot's triangle (Type 3).
- Type 2 cystic arteries are present in 40% of cases, often originating from the right hepatic artery.
- Type 3 arteries have unusual origins, located laterally to the cystic duct or within hepatic tissue.
Impact:
- This classification aids surgeons in anticipating and managing cystic artery variations during laparoscopic cholecystectomy.
- Improved understanding of cystic artery anatomy can reduce the incidence of intraoperative bleeding and complications.
- The findings support the need for meticulous surgical technique and anatomical awareness in minimally invasive gallbladder surgery.
Unlabelled:
Large patient series undergoing laparoscopic cholecystectomy fail to show anatomic variations which lead to intraoperative bleeding.
Method:
Cadaver material was used and corrosion casting and postmortem arteriography were employed.
Results:
Three types of cystic artery were devised according to the results. Type 1 normal anatomy. Type 2 more than one artery in Calots triangle and Type 3 no artery in Calots triangle.
Discussion:
only 40% of the second cystic artery is present in Calots triangle. The short second cystic artery is characteristic and its most often origin is from a segmental branch of the right hepatic artery. When there is no artery in Calots triangle its origin unusual, and the artery is either on the postero-lateral side of the cystic duct or it approaches the gallbladder through hepatic tissue. The specifics of MIS approach make changes in the way we understand the anatomic variations of the cystic artery. The classification is a result of practical experience and anatomical investigations.
