Contrast-enhanced intraoperative ultrasound improved hepatic recurrence-free survival in initially unresectable colorectal cancer liver metastases.

IF 4 3区医学 Q1 GASTROENTEROLOGY & HEPATOLOGY Digestive and Liver Disease Pub Date : 2024-09-29 DOI:10.1016/j.dld.2024.09.009

HuiFang Li, Ming Shi, Xingzhang Long, Pinzhu Huang, Chuan Peng, Wei He, Yuhong Li, Binkui Li, Yunfei Yuan, JiLiang Qiu, Ruhai Zou

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Abstract

Background: We aimed to evaluate the role of Contrast-enhanced intraoperative ultrasound (CE-IOUS) with perfluorobutane microbubbles (Sonazoid) in improving the prognosis of patients with unresectable colorectal cancer liver metastases (CRLM).

Methods: A total of 130 Patients with unresectable CRLM who underwent curative hepatic resection at our institute were retrospectively analyzed. Of these 130 enrolled patients, 67 underwent intraoperative ultrasound alone (IOUS group); 63 underwent additional CE-IOUS and IOUS (CE-IOUS group). Normalized inverse probability treatment weighting (IPTW) was employed to balance baseline characteristics between groups. Hepatic recurrence-free survival (HRFS) and overall survival (OS) were compared.

Results: The treatment strategy was altered in 25 patients (25/63, 39.9%) due to the additional use of CE-IOUS. After applying IPTW, the CE-IOUS group exhibited a significantly lower rate of hepatic recurrence (hazard ratio [HR], 0.55; 95% confidence interval [CI] 0.32-0.95; P = 0.032). Subgroup analysis showed that CE-IOUS provided a significant benefit over IOUS in patients with bilobar liver metastases (P = 0.007), or with a number of live tumors < 3 (P = 0.021), or without DLM (P = 0.018), or with extrahepatic metastasis (P = 0.034), or with a minimum of 6 cycles of systemic therapy (P = 0.03).

Conclusions: CE-IOUS is necessary for unresectable CRLM after preoperative chemotherapy, as it enhances detection accuracy and improves the prognosis of unresectable CRLM patients.

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对比增强术中超声提高了最初无法切除的结直肠癌肝转移灶的无肝复发生存率。

背景：我们旨在评估使用全氟丁烷微气泡（Sonazoid）的对比增强术中超声（CE-IOUS）在改善不可切除结直肠癌肝转移（CRLM）患者预后方面的作用：回顾性分析了在我院接受根治性肝切除术的 130 例不可切除的 CRLM 患者。在这 130 例患者中，67 例仅接受了术中超声检查（IOUS 组）；63 例接受了额外的 CE-IOUS 和 IOUS 检查（CE-IOUS 组）。采用归一化反概率治疗加权法（IPTW）平衡各组间的基线特征。比较了无肝复发生存期（HRFS）和总生存期（OS）：结果：25 例患者（25/63，39.9%）因额外使用 CE-IOUS 而改变了治疗策略。应用 IPTW 后，CE-IOUS 组的肝复发率明显降低（危险比 [HR]，0.55；95% 置信区间 [CI]，0.32-0.95；P = 0.032）。亚组分析显示，在双叶肝转移（P = 0.007）、活瘤数小于 3（P = 0.021）、无 DLM（P = 0.018）、肝外转移（P = 0.034）或至少接受过 6 个周期全身治疗（P = 0.03）的患者中，CE-IOUS 比 IOUS 有明显优势：结论：CE-IOUS对于术前化疗后不可切除的CRLM是必要的，因为它能提高检测的准确性，改善不可切除CRLM患者的预后。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Digestive and Liver Disease 医学-胃肠肝病学

CiteScore

6.10

自引率

2.20%

发文量

632

审稿时长

19 days

期刊介绍： Digestive and Liver Disease is an international journal of Gastroenterology and Hepatology. It is the official journal of Italian Association for the Study of the Liver (AISF); Italian Association for the Study of the Pancreas (AISP); Italian Association for Digestive Endoscopy (SIED); Italian Association for Hospital Gastroenterologists and Digestive Endoscopists (AIGO); Italian Society of Gastroenterology (SIGE); Italian Society of Pediatric Gastroenterology and Hepatology (SIGENP) and Italian Group for the Study of Inflammatory Bowel Disease (IG-IBD). Digestive and Liver Disease publishes papers on basic and clinical research in the field of gastroenterology and hepatology. Contributions consist of: Original Papers Correspondence to the Editor Editorials, Reviews and Special Articles Progress Reports Image of the Month Congress Proceedings Symposia and Mini-symposia.