title: Retrohepatic vena cava replacement of hepatic malignancies without using total hepatic vascular exclusion or extracorporeal bypass.
abstract: Total hepatic vascular exclusion and venovenous bypass are frequently used surgical procedures when concomitant resection of the inferior vena cava is required during surgery of liver cancer involving the retrohepatic inferior vena cava close to the hepatic veins. However, the duration of total hepatic vascular exclusion is limited due to the risk of hepatic ischemia. Three patients presented with severely compressed inferior vena cava and/or hepatic veins due to liver cancer. The surgical procedure involved initial taping of the inferior vena cava just below the hepatic veins by extrahepatic division and taping of the hepatic veins. After taping the inferior vena cava, hepatectomy with caval resection was performed by simply clamping the retrohepatic inferior vena cava, without the need for total hepatic vascular exclusion or venovenous bypass. In all patients the retrohepatic inferior vena cava were safely replaced with a prosthetic graft under stable hemodynamics. Duration of the inferior vena cava clamping was 31, 66, 75 minutes, respectively. No graft-related complications occurred, but 2 of the 3 patients showed temporal renal dysfunction associated with renal congestion postoperatively. The surgical procedure described herein is effective for the treatment of retrohepatic inferior vena cava in some patients. However, when the case is complicated by chronic nephropathy or simultaneous nephrectomy is required, venovenous bypass should be performed.
authors.affiliation: First Department of Surgery, Kagawa Medical University 1750-1, Ikenobe, Miki-cho, Kita-gun, Kagawa, 761-0793, Japan.
authors.forename: T
authors.initials: T
authors.lastname: Maeba
authors.forename: K
authors.initials: K
authors.lastname: Okano
authors.forename: S
authors.initials: S
authors.lastname: Mori
authors.forename: Y
authors.initials: Y
authors.lastname: Karasawa
authors.forename: F
authors.initials: F
authors.lastname: Goda
authors.forename: H
authors.initials: H
authors.lastname: Wakabayashi
authors.forename: H
authors.initials: H
authors.lastname: Usuki
authors.forename: H
authors.initials: H
authors.lastname: Maeta
mesh_terms: D000368:Aged; D019917:Blood Vessel Prosthesis Implantation; D006528:Carcinoma, Hepatocellular / Q000601:surgery*; D005112:Extracorporeal Circulation; D006498:Hepatectomy; D006801:Humans; D008099:Liver / Q000098:blood supply*; D008113:Liver Neoplasms / Q000556:secondary* / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D011138:Polytetrafluoroethylene; D014682:Vena Cava, Inferior / Q000601:surgery*
chemical_list: D011138:Polytetrafluoroethylene