If accidental ligation of rt hepatic artery done after how much time part of liver will be cyanotic.

unpredictable: Hepatic artery injury after laparoscopic cholecystectomy can lead to devastating complications, requiring resection of the liver due to necrosis and abscess formation. Fortunately depending on the severity of other injury (many times the bile duct is also injured), the impact on survival is not significant, assuming the other problems are well managed. A surgical specialist should be consulted.

Likely none: A normal liver gets 75% of its nutrient blood flow from the portal vein. Loss of hepatic arterial flow will often be well tolerated by the liver.

May not get cyanotic: 60% of blood supply to liver is from portal vein , after ligation will have transient enzyme elevation , liver have remarkable power to adjust , some the metastatic tumors hepatic artery is ligated with no ill effects , as artery is the one that supplies the tumor