Abstract
To evaluate safety and postoperative outcomes of DP-CAR with resection of one of the lobar hepatic arteries without arterial reconstruction (extended DP-CAR). Perioperative data and survival after 7 extended DP-CARs R0 were retrospectively analyzed. Arterial blood flow in the liver was assessed using intraoperative ultrasound and postoperative CT angiography. Among 40 DP-CARs, resection of left or right hepatic artery was performed in 7 cases of aberrant anatomy including 1 case of portal vein resection. Mortality and ischemic complications were not observed. The main source of blood supply to the «devascularized» liver lobe was interlobar communicating artery or the arcade of the lesser curvature of the stomach. Incidence of pancreatic fistula was 44%, mean blood loss - 230 (100-650) ml, surgery time - 259 (195-310) min, mean hospital-stay - 14 (9-26) days. Median survival of patients with pancreatic ductal adenocarcinoma was 25 months after combined treatment. Three patients died after 26, 28 and 77 months. Other patients are alive without progression for 109, 24, 23 and 12 months after therapy onset. Extended DP-CAR is advisable and safe procedure if reliable intraoperative control of liver and stomach blood supply is ensured.
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