Serum bile acid monitoring as an early indicator of allograft function in canine orthotopic liver transplantation.
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概要
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This study was undertaken to elucidate the correlation between early graft function and serum bile acids profile in canine orthotopic liver transplantation (OLT). The recipient dogs were categorized into four groups: group A (n = 5); bile output over 10 ml during initial 6 hours, group B (n = 4); bile output less than 1 ml during the same period, group C (n = 5); transplanted immediately after graft harvesting, and group D (n = 5); transplanted after 7-hour ice-cold preservation in lactated Ringer's solution. In all cases serum total bile acid (TBA) was markedly elevated during anhepatic phase, the value being 49.4 +/- 48.5 mumol/L. However, in group A, TBA decreased promptly after revascularization, the value at 4-hour being 14.7 +/- 12.7 mumol/L. In contrast, the corresponding TBA level in group B was 62.3 +/- 27.5 mumol/L 4 hours later (p < 0.01 vs group A). In group C, TBA also decreased immediately after reperfusion. Furthermore, in comparison between groups C and D, TBA level was significantly different 4 and 6 hours after reperfusion (p < 0.01). In the reduction rate of TBA (value at each time point after reperfusion the value immediately before reperfusion), the significant difference was observed after 2 hours between groups A and B (p < 0.05). In addition, significant difference was recognized at 30 minutes between groups C and D (p < 0.05). Although the changes of most bile acid fractions were proportional to the changes of TBA in all four groups, the detection of lithocolic acid at 6 hours was characteristic of both groups B and D. In conclusion, there was strong correlation between the TBA level and the graft function during early postoperative period. Therefore, TBA will be a specific and early indicator to differentiate the quality of the transplanted grafts in OLT.
- 神戸大学の論文
著者
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Ku Y
Department Of Hepato-biliary-pancreatic Surgery Kobe University Graduate School Of Medical Sciences
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Saitoh Y
Department Of Chemistry University Of Tsukuba
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Fujiwara S
Department Of Biochemistry The Nippon Dental University School Of Dentistry At Tokyo
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Ku Y
Department Of Surgery Kobe University School Of Medicine
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