Replaced right hepatic artery of the sma. Aug 14, 2025 · In general, the common hepatic artery may arise from the abdominal aorta or superior mesenteric artery (SMA) and all or part of the right and left hepatic arteries may arise from (be replaced to) other vessels. . In our review, 81% of cases displayed normal anatomy. It is imperative to conserve a good vascular supply to the liver and bile ducts after pancreaticoduodenectomy to prevent complications such as biliary fistula and hepatic ischemia. It is the most common variant in hepatic arterial anatomy. Discover the importance of the right hepatic artery in liver surgery. A total of 19,013 patients were analyzed in our study (Table 1) [6-26]. 5–4. Occasionally, a replaced common hepatic artery (RCHA), emerges from the superior mesenteric artery (SMA), can supply the liver in 1. 7% of cases, while a replaced left hepatic artery (LHA) stemmed from the left gastric artery in 3% of cases. Explore anatomical variations and minimize complications with our groundbreaking study on replaced right hepatic arteries. Dissect the replaced right hepatic artery from the superior mesenteric artery to the hepatic hilum to prevent any inadvertent injury. This anatomical variation is present in approximately 10-20% of the population. If the replaced hepatic artery injury is recognised intraoperatively, saphenous vein interposition graft with inflow from the infrarenal aorta is recommended. A common hepatic artery originating from the superior mesenteric artery was not identified on preoperative imaging and was discovered intraoperatively. 13 % of cases. A replaced right hepatic artery (RHA) arose from the superior mesenteric artery (SMA) in 3. The common hepatic artery originated from the superior mesenteric artery as the first branch. The common hepatic artery was soon divided into the left and right hepatic arteries and distributed to the left and right lobe of the liver. The right hepatic artery arises from the superior mesenteric artery (SMA), also referred to as "replaced to the SMA", in 9 to 15% of the population. 4 days ago · The replaced right hepatic artery is a variant of the hepatic arterial anatomy where the right hepatic artery originates from the superior mesenteric artery (SMA) instead of the common hepatic artery. Jan 1, 2013 · The accessory or replaced right hepatic artery (A/R RHA), which arises from the superior mesenteric artery (SMA), represents a challenge to the surgeon during combined procurement of liver and whole pancreas allografts. Jan 1, 2013 · Abstract The accessory or replaced right hepatic artery (A/R RHA), which arises from the superior mesenteric artery (SMA), represents a challenge to the surgeon during combined procurement of liver and whole pancreas allografts. Data sources: Following the PRISMA guidelines and the Cochrane protocol we conducted a systematic review on the management of an accessory or replaced right hepatic artery (RHA) arising from the superior mesenteric artery when performing an MIPD. Results: Five studies involving 118 patients were included. Apr 29, 2024 · It is common for the liver to be supplied blood by a hepatic artery branching off the coeliac trunk. The present research of the homogeneous Polish population revealed the occurrence of the right hepatic artery (RRHA) branching from the superior mesenteric artery (SMA) in 10. 0% of cases. trg7 5hr 7k9cqoy vl q99iv4 a4a vw rjp hacb yup