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  • Title: Effect of saline solutions administered parenterally in different postoperation phases on the regeneration of rat liver after partial hepatectomy.
    Author: Zivný P, Simek J, Palicka V.
    Journal: Physiol Bohemoslov; 1989; 38(4):339-47. PubMed ID: 2531428.
    Abstract:
    Two series of experiments were carried out on female laboratory rats with a mean pre-operation weight of 250 +/- 30 g, fed up to the time of the experiment on a standard laboratory diet with water ad libitum. In the first series the rats were subjected to 65-70% partial hepatectomy (PH) or to laparotomy (LAP) and their serum Na+, K+, Cl- and total calcium concentrations were determined 6, 12, 18 and 24 h after the operation. At given postoperation intervals the serum Na+, Cl- and total calcium concentrations in hepatectomized animals were lower than in the intact controls, while the K+ concentration was higher. In the second series of experiments, the rats were given infusions of physiological saline or Ringer solution at different intervals (1-6, 7-12, 1-12 and 1-24 h) after PH. Specific DNA activity in the liver, the hepatocyte mitotic index, the total DNA content of the liver and other indicators show that physiological saline infusions had an inhibitory, or at most a neutral effect on the initiation of liver regeneration, while the effect of the infusion of Ringer solution on the initiation of liver regeneration, in most of the given intervals, was indifferent. The regeneration response depends on the post-PH phase in which the solution is infused.
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