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Published in: BMC Surgery 1/2021

Open Access 01-12-2021 | Ultrasound | Research

HIFU for the treatment of gastric cancer with liver metastases with unsuitable indications for hepatectomy and radiofrequency ablation: a prospective and propensity score-matched study

Authors: Bin Zhou, Ning He, Jiaze Hong, Tong Yang, Derry Minyao Ng, Xudong Gao, Kun Yan, Xiaoxiang Fan, Zhi Zheng, Ping Chen, Jianjun Zheng, Qi Zheng

Published in: BMC Surgery | Issue 1/2021

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Abstract

Background

The purpose of this study was to explore the efficacy and safety of high intensity focused ultrasound (HIFU) in gastric cancer with liver metastasis (GCLM) patients who were contraindicated for either hepatectomy or radiofrequency ablation (RFA).

Methods

This is a prospective, observational study on GCLM patients with 1–3 liver metastases. The primary gastric lesions were thoroughly resected and any case that exhibited extra-hepatic metastasis was excluded. A 1:2:2 propensity score-matching analysis was performed using a logistic regression model on the HIFU group, best supportive care (BSC) group, and palliative chemotherapy (PC) group. The primary endpoints include progression-free survival (PFS) and overall survival (OS).

Results

Forty patients were finally included, there were 8 cases in HIFU group, 16 cases in BSC group, and 16 cases in PC group. The median follow-up time for the entire cohort was 10 months. The median PFS was 16.5 months in HIFU group, 2 months in BSC group, and 5 months in PC group. The median OS was 27.5 months in the HIFU group, 7 months in the BSC group, and 11.5 months in the PC group. Additionally, no grade 3 or higher adverse events occurred in the HIFU group.

Conclusion

The results of this study showed that HIFU treatment could improve the long-term prognosis of GCLM patients without a significant increase in the occurrence of adverse events. Compared with PC and BSC, HIFU is the preferred treatment option when GCLM patients without extra-hepatic metastasis are unable to undergo either surgery or RFA.
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Metadata
Title
HIFU for the treatment of gastric cancer with liver metastases with unsuitable indications for hepatectomy and radiofrequency ablation: a prospective and propensity score-matched study
Authors
Bin Zhou
Ning He
Jiaze Hong
Tong Yang
Derry Minyao Ng
Xudong Gao
Kun Yan
Xiaoxiang Fan
Zhi Zheng
Ping Chen
Jianjun Zheng
Qi Zheng
Publication date
01-12-2021
Publisher
BioMed Central
Published in
BMC Surgery / Issue 1/2021
Electronic ISSN: 1471-2482
DOI
https://doi.org/10.1186/s12893-021-01307-y

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