GPT and heart disorder: Liver function and renal function were monitored in each study, and relevant indexes including alanine transaminase (ALT), aspartate aminotransferase (AST), and blood urea nitrogen (BUN) were influenced, whereas they almost recovered to normal level in postoperative three days, while blocked venous blood from infrahepatic vena cava may induce some risks of incidence of heart disorder (RR = 1,36, P = 0.76), which might involve the opening of collateral circulation and increased blood and pressure in azygos vein from hemiazygos vein and accessory hemiazygos vein.