手术切除和射频消融对化疗后可切除结直肠癌肝转移灶的疗效比较

胡超; 程曦; 金望迅; 姚宏清; 王新保

doi:10.16766/j.cnki.issn.1674-4152.003196

手术切除和射频消融对化疗后可切除结直肠癌肝转移灶的疗效比较

doi: 10.16766/j.cnki.issn.1674-4152.003196

浙江省肿瘤医院，中国科学院杭州医学研究所，浙江杭州 310022

基金项目:

浙江省卫生健康科技计划项目 2021KY598

详细信息

通讯作者:
胡超，E-mail: huchao1987pj@126.com

中图分类号: R735.3 R730.5
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出版历程
- 收稿日期: 2023-05-04
- 网络出版日期: 2023-11-23

Comparison of the efficacy of surgical resection and radiofrequency ablation after chemotherapy for resectable colorectal liver metastases

Zhejiang Cancer Hospital, Hangzhou Institute of Medicine (HIM), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China

摘要

摘要: 目的临床上对于肠癌肝转移患者往往会采取全身化疗序贯局部治疗的治疗模式，但对于化疗后肝转移灶局部治疗方式的选择尚未达成共识。本文拟通过评价手术切除和射频消融2种方法对此类患者的疗效来为临床医生提供参考依据。方法回顾性分析2017年1月1日—12月31日期间在浙江省肿瘤医院接受肝脏局部治疗(手术或射频消融术)且术前经过全身化疗的63例结直肠癌肝转移患者的临床资料。63例患者根据局部治疗方式的不同分为手术组和射频组，手术组25例患者接受肝切除术，射频组38例患者接受射频消融术。通过分析手术组和射频组患者的局部无复发生存时间及1年、2年、3年无复发生存率以比较手术切除和射频消融2种方法对化疗后结直肠癌肝转移灶的疗效。结果 2组患者肿瘤数目及肿瘤大小比较差异无统计学意义。经过最长36个月的随访，手术组中有64.0%(16/25)的患者出现了肝脏局部复发，射频组中92.1%(35/38)的患者出现了肝脏局部复发。手术组中位无复发时间(24.0个月，95% CI：6.0~42.0个月)与射频组(4.0个月，95% CI：3.1~4.9个月)比较差异有统计学意义(P < 0.05)。手术组患者的1年、2年、3年肝脏无复发生存率分别为64.0%、52.0%、36.0%，射频组患者为21.1%、10.5%、10.5%，2组比较差异均有统计学意义(均P < 0.05)。结论对于经过全身化疗后肝脏病灶可切除的结直肠癌肝转移患者，手术切除可能给患者带来更低的局部复发率和更长的局部无复发生存时间。
- 结直肠癌 /
- 肝转移 /
- 手术切除 /
- 射频消融
Abstract: Objective Systemic chemotherapy followed by local treatment is recommended for patients with colorectal liver metastases (CRLMs). However, there is no consensus on the choice of local treatment for CRLMs after chemotherapy. The research aims to evaluate the efficacy of surgical resection and radiofrequency ablation (RFA) in these patients to provide some information for clinicians. Methods The clinical data of 63 patients with colorectal liver metastases who accepted chemotherapy and underwent local treatment (surgical resection or RFA) at Zhejiang Cancer hospital from January 1, 2017 to December 31, 2017 were retrospectively analyzed. All patients were divided into two groups according to the different methods of local treatment: hepatectomy group and RFA group. The 25 patients in hepatectomy group accepted hepatectomy and the 38 patients in RFA group accepted RFA. The efficacy of surgical resection and RFA in the treatment of colorectal liver metastases (CRLMs) was compared by analyzing local Recurrence-Free Survival time and Recurrence-Free Survival rates of 1 year, 2 years and 3 years. Results There was no significant difference in the number and maximum size of CRLMs between the hepatectomy and RFA groups. Patients were followed for 36 months. Local liver recurrences occurred in 16 patients in the hepatectomy group (64.0%) and 35 patients in the RFA group (92.1%). The median RFS time in the hepatectomy group (24.0 months, 95% CI: 6.0-42.0 months) was significant longer than the RFA group (4.0 months, 95% CI: 3.1-4.9 months, P < 0.05). The 1-year, 2-years and 3-years RFS rates were 64.0%, 52.0% and 36.0% in the hepatectomy group and 21.1%, 10.5%, 10.5% in the RFA group. There were significant differences between the two groups (all P < 0.05). Conclusion For some patients with resectable CRLMs who have accepted chemotherapy, surgical resection may result in a lower rate of local recurrence and longer RFS.
- Colorectal cancer /
- Liver metastases /
- Hepatectomy /
- Radiofrequency ablation

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图 1 手术组和射频组结直肠癌肝转移患者的无复发生存曲线

Figure 1. Recurrence-free survival curves of patients with CRLMs in the surgical group and radiofrequency group

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图 2 术中所见肝脏表面小转移灶(图中箭头所示)

Figure 2. Small metastatic lesions on the surface of the liver during the surgical procedure (indicated by arrows)

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表 1 2组结直肠癌肝转移患者一般资料比较

Table 1. Comparison of general characteristics between two groups of patients with CRLMs

组别	例数	年龄(x±s，岁)	性别(女性/男性，例)
手术组	25	55.76±14.39	8/17
射频组	38	60.26±11.81	10/28
统计量		1.357^a	0.239^b
P值		0.180	0.625
注：^a为t值，^b为χ²值。

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表 2 2组结直肠癌肝转移患者肝转移灶特征比较[M(P₂₅, P₇₅)]

Table 2. Comparison of hepatic metastatic lesion characteristics in two groups of CRLMs [M(P₂₅, P₇₅)]

组别	例数	肿瘤数目(个)	肿瘤大小(cm)
手术组	25	2.00(1.00, 3.00)	2.50(1.40, 4.45)
射频组	38	1.00(1.00, 2.00)	2.45(2.00, 3.33)
Z值		-0.749	-0.127
P值		0.454	0.899

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