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[Changes of serum interleukin 6 (IL6) and acute phase protein after hepatectomy in patients with chronic liver disease].

We examined the changes in serum levels of interleukin 6 (s-IL6) and acute phase protein (APP) during perioperative periods in patients with or without chronic liver disease (CLD) who underwent hepatectomy or other surgeries. The elevation of s-IL6 on the first postoperative day was only correlated with preoperative values of indocyanine green retention test (ICG-R15) (r = 0.56, p < 0.01), and not concerned with any operative factors. We divided the patients into the following three groups; the patients with CLD undergoing hepatectomy (n = 21, group A), the patients without CLD undergoing hepatectomy (n = 7, group B), and the patients without CLD undergoing surgeries other than hepatectomy (n = 7, group C). The values of s-IL6 on preoperative day, 1st, 4th, and 7th days after surgery in group A were significantly higher than the corresponding values in group C (p < 0.05). Among the hepatectomy groups, the serum levels of APP on the 4th day after surgery were significantly higher than those on preoperative day. We concluded that the changes in s-IL6 after hepatectomy were strongly concerned with preoperative liver function, especially with values of ICG-R15. However, it seemed that the induction of APP was negatively correlated with the preoperative liver function.