DynaCT在原发性肝癌患者经肝动脉化疗栓塞术中的指导作用及对疗效的评估价值

杨怀龙; 钟唐力

doi:10.3969/j.issn.1001-5256.2022.04.021

DynaCT在原发性肝癌患者经肝动脉化疗栓塞术中的指导作用及对疗效的评估价值

DOI: 10.3969/j.issn.1001-5256.2022.04.021

杨怀龙¹,
钟唐力^2, , ,

1.
四川绵阳四〇四医院(川北医学院附属第二医院) 影像科, 四川绵阳 621000
2.
四川绵阳市中心医院放射科, 四川绵阳 621000

基金项目:

四川省自然科学基金 (2019SC089)

伦理学声明：本研究方案于2017年3月12日经川北医学院附属第二医院伦理委员会审批，批号：伦(审)2017-82，所纳入患者均签署知情同意书。

利益冲突声明：本研究不存在研究者、伦理委员会成员、受试者监护人以及与公开研究成果有关的利益冲突。

作者贡献声明：杨怀龙负责课题设计，资料分析，撰写论文；钟唐力负责拟定写作思路，指导撰写文章并最后定稿。

详细信息

通信作者:
钟唐力, 2903543841@qq.com

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出版历程
- 收稿日期: 2021-10-12
- 录用日期: 2021-12-09
- 出版日期: 2022-04-20

Guiding role of cone beam CT with DynaCT in transcatheter arterial chemoembolization for patients with primary liver cancer and its value in assessing treatment outcome

Huailong YANG¹,
Tangli ZHONG^{2
, ,
,}

1.
Department of Radiology, Sichuan Mianyang No. 404 Hospital & The Second Affiliated Hospital of North Sichuan Medical College, Mianyang, Sichuan 621000, China
2.
Department of Radiology, Mianyang Central Hospital, Mianyang, Sichuan 621000, China

Research funding:

Natural Science Foundation of Sichuan Province (2019SC089)

More Information

Corresponding author: ZHONG Tangli, 2903543841@qq.com (ORCID: 0000-0001-7874-1229)

摘要

摘要: 目的探讨分析肝癌经肝动脉化疗栓塞术(TACE)治疗患者采用DynaCT的效果及对患者预后的影响。方法选择2017年5月-2019年5月在川北医学院附属第二医院就诊的原发性肝癌患者73例, 将患者随机分为观察组(n=38)和对照组(n=35)。对照组患者仅行2D-DSA造影下TACE治疗, 观察组患者在2D-DSA造影后再行DynaCT造影。比较两组患者手术时间、X线曝光量以及造影剂用量, 2D-DSA造影与DynaCT造影对肝内肿瘤病灶检出情况及供血动脉显示情况, 二维X线透视与平扫DynaCT对肿瘤病灶内碘化油沉积的评估。两组间计量资料比较采用独立样本t检验, 计数资料两组间比较采用χ²检验; 绘制Kaplan-Meier生存曲线分析生存情况, 两组间比较采用log-rank检验。结果两组患者手术时间、X线曝光量以及造影剂用量比较差异均无统计学意义(P值均>0.05)。观察组患者中共检出肿瘤病灶93个, 病灶供血动脉阳性占比为84.95%(79/93), 对照组患者中共检出肿瘤病灶61个, 病灶供血动脉阳性占比为55.74%(34/61), 观察组患者病灶中供血动脉检出阳性占比显著高于对照组(χ²=16.088, P < 0.05)。术后对两组患者的113个病灶进行碘化油沉积分析, 二维X线透视显示89个病灶碘油均匀沉积, 24个病灶碘油部分或全部缺失; 而平扫DynaCT显示78个病灶碘油均匀沉积, 35个病灶碘油部分或全部缺失。观察组患者术后总体生存情况显著优于对照组(χ²=4.347, P=0.037)。结论 DynaCT在不增加术中X线曝光量与术中造影剂使用量的同时, 能够提高对肝内乏血病灶和重叠病灶的检出率, 从而提高插管准确性, 减少患者血管损伤, 同时也可应用于栓塞术后碘化油沉积评价, 在肝癌TACE术中具有重要的应用价值, 有助于改善患者术后生存。
- 肝肿瘤 /
- 化学栓塞, 治疗性 /
- 血管造影三维软组织成像技术
Abstract: Objective To investigate the effect of cone beam CT with DynaCT on liver cancer patients undergoing transcatheter arterial chemoembolization (TACE) and its influence on the prognosis of patients. Methods A total of 73 patients with primary liver cancer who attended The Second Affiliated Hospital of North Sichuan Medical College from May 2017 to May 2019 were enrolled and randomly divided into observation group with 38 patients and control group with 35 patients. The patients in the control group underwent TACE under 2D-DSA angiography, and those in the observation group underwent DynaCT angiography after 2D-DSA angiography. The two groups were compared in terms of time of operation, X-ray exposure, amount of contrast agent used, intrahepatic tumor lesions detected and blood supplying arteries displayed by 2D-DSA angiography versus DynaCT angiography, and lipiodol deposition in tumor lesions evaluated by postoperative two-dimensional X-ray fluoroscopy versus plain DynaCT scan. The two-independent-samples t test was used for comparison between two groups, and the chi-square test was used for comparison of categorical data between two groups; the Kaplan-Meier survival curve was plotted for survival analysis, and the log-rank test was used for comparison between two groups. Results There were no significant differences between the two groups in time of operation, X-ray exposure, and amount of contrast agent used (all P>0.05). For the observation group, a total of 93 tumor lesions were detected, among which 79 (84.95%) were positive for blood supplying arteries, while in the control group, a total of 61 tumor lesions were detected, among which 34 (55.74%) were positive for blood supplying arteries, suggesting that the proportion of lesions positive for blood supplying arteries in the observation group was significantly higher than that in the control group (χ²=16.088, P < 0.05). After surgery, 113 lesions of the two groups were analyzed for lipiodol deposition; two-dimensional X-ray fluoroscopy showed that lipiodol was evenly deposited in 89 lesions and was partially or completely missing in 24 lesions, while plain DynaCT scan showed that lipiodol was evenly deposited in 78 lesions and was partially or completely missing in 35 lesions. The observation group had significantly better overall survival than the control group (χ²=4.347, P=0.037). Conclusion DynaCT can increase the detection rate of ischemic lesions and overlapping lesions in the liver without increasing the amount of intraoperative X-ray exposure and contrast agent used, thereby improving the accuracy of intubation and reducing the patient's vascular injury, and at the same time, it can be used to evaluate the deposition of lipiodol after embolization. It has an important application value in TACE for liver cancer and can help to improve the survival of patients after surgery.
- Liver Neoplasms /
- Chemoembolization, Therapeutic /
- DynaCT

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图 1 典型患者影像学检查情况

注：a，术前椎型CT动脉期显示供血动脉与肿瘤结构关系；b，肿瘤实质期显示，肿瘤实质轻度强化；c，术前DSA显示肿瘤供血动脉及肿块染色；d，术中栓塞，碘油沉积明显；e，术后碘油栓塞治疗后，肿瘤微循环血管大部分消失；f，术后CT示碘油沉积。

Figure 1. Typical patient imaging findings

下载: 全尺寸图片幻灯片

图 2 两组患者生存情况分析

Figure 2. Survival analysis of two groups of patients

下载: 全尺寸图片幻灯片

表 1 两组患者临床资料比较

Table 1. Comparison of clinical data of two groups of patients

临床资料	观察组(n=38)	对照组(n=35)	统计值	P值
性别(例)			χ²=0.434	0.510
男	21	22
女	17	13
年龄(岁)	56.28±9.22	57.10±10.52	t=0.355	0.724
BCLC分期(例)			χ²=0.096	0.757
B期	27	26
C期	11	9
Child-Pugh分级(例)			χ²=1.051	0.305
A级	15	18
B级	23	17

下载: 导出CSV

表 2 两组患者手术时间、X线曝光量以及造影剂用量比较

Table 2. Comparison of operation time, X-ray exposure and contrast agent consumption between the two groups

组别	例数	手术时间(min)	X线曝光量(mGy)	造影剂用量(mL)
观察组	38	30.47±6.29	879.28±110.94	57.28±6.44
对照组	35	29.38±7.22	860.33±102.32	55.20±7.21
t值		0.689	0.757	1.302
P值		0.493	0.452	0.197

下载: 导出CSV

表 3 两组患者二维X线透视与平扫DynaCT造影评估肿瘤病灶内碘化油沉积对比

Table 3. Comparison of two-dimensional X-ray fluoroscopy and plain DynaCT angiography in evaluating the deposition of lipiodol in tumor lesions

检查方式	碘油沉积类型
检查方式	Ⅰ型	Ⅱ型	Ⅲ型	Ⅳ型
二维X线透视(个)	89	9	4	11
平扫DynaCT造影(个)	78	15	13	7

下载: 导出CSV

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