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- W2394517318 abstract "OBJECTIVE To investigate the characteristic of 13C-methacetin breath test (13C-MBT) as a tool to monitor the hepatic function of patients with hepatic carcinoma by comparing with Child-Pugh classification and general liver function. METHODS Thirty-nine patients with primary liver cancer, 16 patients with hepatic metastasis and 14 healthy volunteers serving as controls were included in this study. According to Child-Pugh classification, the primary liver cancer patients were divided into A, B and C subgroups. All subjects received 13C-MBT and routine liver function tests after an overnight fast. The three major parameters of 13C-MBT i.e. maximum excretion rate before 40 min (Mvmax40), 13CO2 cumulative excretion of 40 min (CUM40) and that of 120 min (CUM120) were recorded and the two metabolism curves (DOB curve, MV curve) were made. RESULTS (1) In the control, hepatic metastasis and primary liver cancer groups, both the DOB curve and MV curve were similar in shape; the peak time occurred at about 20 min after administration and then the curves lowered progressively. There were significant differences between the primary liver cancer group and the other two groups, but it was not statistically different between the hepatic metastasis group and the controls. The shape was obviously distinct in the groups A, B and C of primary liver cancer. The group A had a single sharp peak curve, group B a relatively flat peak curve with a lower level for a long time after the ascending phase and group C no clear excretion peak or even a negative curve. (2) As to the three parameters of 13C-MBT, there were statistical difference between the primary liver cancer group and the other two groups (P<0.05). Between hepatic metastasis group and controls, there was statistical difference about CUM120 (P<0.05), but no statistical difference about Mvmax40 and CUM40. While in the three groups with primary liver cancer groups, there was statistical difference between group A and B in Mvmax40 and CUM40 (P<0.05), but no statistical difference between group B and C. As to CUM120, there was statistical difference only between group A and C. (3) Comparing the three parameters of 13C-MBT with routine liver function tests, there was negative correlation with TBA, positive correlation with Alb, PA, ChE and no correlation with ALT, AST, TBil, gamma-GT, ALP and PT. (4) There was a good consistency between 13C-MBT and Child-Pugh classification in the evaluation of liver function of patients with liver cancer (Kappa=0.647, P<0.05). CONCLUSION The value of the three parameters of 13C-MBT is decreased with severity of the liver disease and 13C-MBT may be used to evaluate the reserved hepatic function in patients with primary liver cancer with a diagnostic value equivalent to Child-Pugh classification. The study further confirms that 13C-MBT has correlation with TBA, Alb, PA and ChE." @default.
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- W2394517318 date "2009-05-01" @default.
- W2394517318 modified "2023-09-23" @default.
- W2394517318 title "[The value of studying liver function reserve in hepatic carcinoma by 13C-methacetin breath test]." @default.
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