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Published on: March 10, 2023
Artery to Cystic Duct: A Consistent Branch of Cystic Artery Seen in Laparoscopic Cholecystectomy
Arshad Rashid1, Majid Mushtaque1, Rajandeep Singh Bali2
1Department of Health Services, Kashmir 190001, India.
Insights
Accurate identification of the cystic artery anatomy is crucial during laparoscopic cholecystectomy to prevent bleeding. Understanding the common "H-configuration" of the cystic artery to the cystic duct aids safe dissection in Calot's triangle.
Area of Science:
- Surgical Anatomy
- Minimally Invasive Surgery
- Hepatobiliary Surgery
Background:
- Uncontrolled arterial bleeding during laparoscopic cholecystectomy poses significant risks, including bile duct injury.
- The cystic artery exhibits considerable anatomical variability, complicating surgical dissection.
- Precise anatomical identification is paramount for surgical safety in the hepatobiliary region.
Purpose of the Study:
- To review the anatomical variations of the cystic artery and its branch to the cystic duct.
- To assess the prevalence of the classical "H-configuration" during laparoscopic procedures.
- To emphasize the importance of identifying this specific arterial anatomy for surgical safety.
Main Methods:
- Video laparoscopic review of cystic artery anatomy.
- Analysis of branching patterns, particularly the artery to the cystic duct.
- Documentation of the "H-configuration" in a patient cohort.
Main Results:
- A single artery to the cystic duct with the "H-configuration" was observed in 91.47% of patients (161/176).
- This specific arterial branch is a common source of bleeding within the hepatobiliary triangle.
- The "H-configuration" represents a frequent anatomical finding during laparoscopic cholecystectomy.
Conclusions:
- Careful identification of the artery to the cystic duct is essential for safe dissection of Calot's triangle.
- Recognizing this anatomy can significantly reduce intraoperative hemorrhage.
- Improved anatomical awareness may contribute to the prevention of extrahepatic biliary injuries.
Abstract:
Uncontrolled arterial bleeding during laparoscopic cholecystectomy is a serious problem and may increase the risk of bile duct damage. Therefore, accurate identification of the anatomy of the cystic artery is very important. Cystic artery is notoriously known to have a highly variable branching pattern. We reviewed the anatomy of the cystic artery and its branch to cystic duct as seen through the video laparoscope. A single artery to cystic duct with the classical "H-configuration" was demonstrated in 161 (91.47%) patients. This branch may cause troublesome bleeding during laparoscopic dissection in the hepatobiliary triangle. Careful identification of artery to cystic duct is helpful in the proper dissection of Calot's triangle as it reduces the chances of hemorrhage and thus may also be helpful in prevention of extrahepatic biliary radical injuries.

