机构地区:[1]复旦大学附属中山医院检验科,上海200032
出 处:《中华医学杂志》2014年第46期3623-3628,共6页National Medical Journal of China
基 金:国家临床重点检验专科建设项目;"十二五"国家科技支撑计划子课题"中国人群常用临床检验项目参考区间及相关技术支撑体系的建立"(2012BAl37801);癌变与侵袭原理教育部重点实验室开放课题(KLCCl2014-3).
摘 要:目的探讨肝细胞肝癌(HCC)患者切除术前血清α-L-岩藻糖苷酶(AFU)对术后HCC复发的预测价值。方法回顾性分析复旦大学附属中山医院2012年1至7月116例接受根治性切除术的HCC患者的术前血清AFU以及其他临床资料,将此116例患者作为测试组。使用X-tile软件计算术前AFU评估预后的最佳决定值。2012年8至12月前瞻性人组接受根治性切除的HCC患者68例,并测定术前AFU,收集临床资料,作为验证组。Kaplan-Meier法绘制生存曲线,Log-rank检验评估术前血清AFU在全部患者人群以及多种低危风险组中的价值。单因素Cox回归模型分析术前各临床参数对于术后复发的影响,有统计学意义的术前单因素进入Cox回归模型进行多因素分析。结果术前AFU的最佳预后评估截断值为25.00U/L。根据此截断值可将人组人群分为高术前AFU(〉25.00U/L)和低术前AFU(≤25.00U/L)2组人群。术前高AFU的HCC人群无瘤生存时间显著低于术前低AFU患者(中位复发时间:12.50个月与未达到;P〈0.01)。在巴塞罗那分期(BCLC)早期(0+A)患者(中位复发时间:10.25个月与未达到;P〈0.01)与AFP阴性患者(中位复发时间:13.20个月与未达到;P〈0.01)中也得到类似结果。多因素Cox回归模型分析显示术前高AFU是预测术后肿瘤复发的独立危险因子(OR=1.72,95%CI:1.00-2.96,P=0.04)。在验证组中,无论在全部人群还是在早期肝癌人群中,术前高AFU患者的无瘤生存期显著缩短(全部:中位复发时间12.00个月与未达到,P:0.01;BCLC0+亚组:中位复发时间13.20个月与未达到,P〈0.01;AFP阴性亚组:中位复发时间9.00个月与未达到,P=0.03)。多因素分析也证实术前高AFU是肿瘤复发的独立危险因子(OR=2.22,95%CI:O.67~7.37,P=0.04)。术前高AFU患者倾向于具有较大的肿瘤直径并且Objective To investigate the early-recurrence prediction value of preoperative alpha-1- fucosidase (AFU) for hepatocellular carcinoma (HCC) patients undergoing curative resection. Methods A retrospective training set data from January to July, 2012 including 116 patients and a prospective validation set from August 2012 to December 2012 including 68 patients were used to validate the predictive value of preoperative AFU. Difference of recurrence rates between low and high AFU populations in all HCC or early-HCC subgroups were compared via Kaplan-Meier curves and Log-rank tests. Univariate and multivariate analyses were used to identify the recurrent prediction value of preoperative serum AFU. Results Based on retrospective training data, AFU = 25.00 U/L was set as the optimal cutoff point to stratify HCC patients into high ( 〉 25.00 U/L) and low ( ≤25. O0 U/L) groups. Patients with high preoperative AFU showed significant low tumor-free survival not only in whole patients group ( mean 12. 50 months vs. not reached; P 〈 O. 01 ) but also in early-HCC ( mean 10. 25 months vs. not reached, P 〈 0.01 ) and AFP negative subgroups (mean 13.20 months vs not reached, P 〈0.01 ). Univariate and multivariate analyses revealed the AFU was an independent predictor for tumor recurrence ( OR = 1.72,95% CI: 1. O0 - 2.96 ,P = 0.04). The prospective validation data confirmed the predictive value of preoperative AFU in HCC ( OR = 2. 22,95% CI:O. 67 -7.37,P = 0.04). Furthermore, patients with high preoperative AFU were prone to have bigger tumor and form vascular invasion. Conclusion Preoperative AFU is a powerful prognostic indicator for HCC and 25.00 U/L might be an optimal recurrence prediction cutoff value for patients in Zhongshan hospital.
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