Korean J Anesthesiol.  1990 Dec;23(6):871-878. 10.4097/kjae.1990.23.6.871.

Orthotopic Liver Transplantation in Dogs by Veno - venous bypass using Centrifugal Pump

Affiliations
  • 1Department of Anesthesiology, College of Medicine, Inje University, Seoul, Korea.
  • 2Department of General Surgery, College of Medicine, Inje University, Seoul, Korea.

Abstract

The Orthotopic liver transplantation for the terminal liver diseases has been performed frequently since the introduction of new immuno-suppressive agent (cyclosporin A), technical advances in surgical skill, uae of biopump during anhephatic stage, rapid infusion system for transfusion and thromboelastography for coagulopathies were used. In Korea, only one case of orthotopic liver transplantation succeeded in 1988, but the animal experiments have been going on for many years in many institutes. Orthotopic liver transplantation in dogs using centrifugal pump (Bio-pump) were experienced and the results were analysed; 1) There were no differences in hemodynamic parameters during anhepatic stage with assistance of Biopump compared with preanhephatic stage. 2) The mean flow rate of Biopump during anhepatic stage was 0.75+/-0.09L/min, and maximun and minimum flow rate were 1.5L/min. and 0.4L/min, respectively. 3) Mean artery pressure, cardiac output and systemic vascular resistance after reperfusion of transplanted liver were significantly reduced compared with the values of before reperfusion; meanwhile, mean pulmonary artery pressure, pulmonary capillary wedge pressure and pulmonary vascular resistance were not significantly different. 4) After reperfusion of transplanted liver serum potassium level was significantly increased to 6. 07+/-1.8 mEq/L and the amount of base was significantly decrease to-12.9+/-5.9 mEq/L. By using Bio-pump the degree of hemodynamic changes could be reduced during the clamping of inferior vena cava and hepatic vein.

Keyword

Orthotopic Liver Transplantation; Veno-venous bypass; Centrifugal pump
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