肝癌术前ICGR15测定对肝脏储备功能的评估

背景与目的:术前正确评估肝脏储备功能,是避免肝癌患者术后肝功能衰竭的重要措施.近年来,吲哚靛青绿储留率(indocyanine green retention rate at 15min,ICGR15)被认为能准确而灵敏地反映肝脏储备功能.本研究目的探讨肝癌切除术前ICGR15在评估肝硬化程度和肝脏储备功能中的作用,分析ICGR15与术后肝功能不全的关系,并与Child-Pugh分级进行比较.方法:分析225例手术切除的肝细胞癌患者术前常规肝功能检查、Child-Pugh分级及ICGR15的测定结果.结果:肝硬化患者及无肝硬化患者ICGR15均值分别为(9.90±6.20)%、(7.41±3.80)%,差异有显著性(P＜0.01);轻、中、重度肝硬化患者的ICGR15均值分别为(8.49±5.00)%、(10.70±5.70)%、(15.77±9.60)%,三组间两两比较差异有显著性(P＜0.05);术后发生腹水、黄疸患者的ICGR15均值分别为(11.49±6.80)%、(12.09±7.10)%,分别显著高于无腹水、无黄疸患者[(8.53±4.90)%、(8.96±5.30)%](P＜0.05).将可能影响术后并发症发生的多种因素以enter法引入多元logistic回归模型,ICGR15对术后发生腹水、黄疸均有显著影响(P＜0.05).Child-Pugh B级患者的ICGR15均值为(15.25±8.60)%,显著高于Child-Pugh A级患者(8.85±5.10)%(P＜0.01);212例Child-Pugh A级患者中有67例ICGR15大于10%,其中6例大于20%.结论:ICGR15随肝硬化程度的加重而升高,其对术后发生肝功能衰竭有显著影响;其与Child-Pugh分级有一定相关性.

Evaluation of liver reserve function by ICGR15 detection before hepatectomy for hepatocellular carcinoma

BACKGROUND & OBJECTIVE: Accurate estimation of liver reserve function before hepatectomy for liver cancer may avoid postoperative liver failure. Recently,it has been considered that indocyanine green retention rate at 15 minutes (ICG(R15))can assess liver reserve function with exactitude and high sensitivity. This study was to discuss the evaluation of liver cirrhosis severity and liver reverse function by ICG(R15), analyze the relationship between ICG(R15) and post-operative liver failure,and compare ICG(R15) with Child-Pugh grading. METHODS: Records of 225 patients with resected hepatocellular carcinoma (HCC)have been collected. Pre-operative data, such as a variety of routine liver biochemistry tests, Child-Pugh grading, and ICG(R15) value, and intra-operative data, post-operative data were analyzed. RESULTS: The mean value of ICG(R15) was (9.9+/-6.2)% in cirrhosis group,and (7.4+/-3.8)% in non-cirrhosis group (P< 0.01). The mean value of ICG(R15) was (8.5+/-5.0)% in mild cirrhosis subgroup, (10.7+/-5.7)% in moderate cirrhosis subgroup, and (15.8+/-9.6)% in severe cirrhosis subgroup; significant differences can be observed while multiple comparisons were performed (P< 0.05). The mean values of ICG(R15) in patients who suffered from post-operative ascites, and jaundice were (11.5+/-6.8)%,and (12.1+/-7.1)%; significantly higher than those without ascites, and jaundice [(8.5+/-4.9)%,and (9.0+/-5.3)%] (P< 0.05). Possible predictor variables indicating risk factors of post-operative complications were entered into a multiple logistic regression model, the results showed that ICG(R15) significantly affected the occurrence of both post-operative ascites and jaundice (P< 0.05). The mean value of ICG(R15) of patients of Child-Pugh B grade was (15.2+/-8.6)%, much higher than that of patients of Child-Pugh A grade [(8.8+/-5.1)%](P< 0.01). ICG(R15) values were above 10% in 67 of the 212 patients of Child-Pugh A grade, and 6 of these 67 patients have a value above 20%. CONCLUSIONS: ICG(R15) value rises with the aggravation of liver cirrhosis,it affects the occurrence of post-operative liver failure significantly. Some correlation can be observed between ICG(R15) and Child-Pugh grading.