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Published in: BMC Cancer 1/2017

Open Access 01-12-2017 | Research article

RAM score is an effective predictor for early mortality and recurrence after hepatectomy for hepatocellular carcinoma

Authors: Heng-Yuan Hsu, Ming-Chin Yu, Chao-Wei Lee, Hsin-I Tsai, Chang-Mu Sung, Chun-Wei Chen, Shu-Wei Huang, Cheng-Yu Lin, Wen-Juei Jeng, Wei-Chen Lee, Miin-Fu Chen

Published in: BMC Cancer | Issue 1/2017

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Abstract

Background

Liver resection had been regarded as a standard treatment for primary hepatocellular carcinoma (HCC). However, early mortality and recurrence after surgery were still of major concern. RAM (Risk Assessment for early Mortality) scoring system is a newly developed tool for assessing early mortality after hepatectomy for HCC. In this study, we compared RAM scoring system with ALBI and MELD scores for their capability of predicting short-term outcome.

Methods

We retrospectively reviewed patients with hepatocellular carcinoma who were treated with hepatectomy at Chang Gung Memorial Hospital between 1986 and 2015. Their clinical characteristics and perioperative variables were collected. We applied RAM, albumin-bilirubin (ALBI), and model for end-stage liver disease (MELD) scoring systems to predict early mortality and early recurrence in HCC patients after surgery. We investigated the discriminative power of each scoring system by receiver operating characteristic (ROC) curve and area under the ROC curve (AUC).

Results

A total of 1935 patients (78% male) who underwent liver resection for HCC were included in this study. The median follow-up period was 41.9 months. One hundred and forty-nine patients (7.7%) died within 6 months after hepatectomy (early mortality). All the three scoring systems were effective predictor for early mortality, with higher score indicating higher risk of early mortality (AUC of RAM = 0.723, p < 0.001; AUC of ALBI = 0.682, p < 0.001; AUC of MELD = 0.590, p = 0.002). Cox regression multivariate analysis demonstrated that the RAM class was the most significant independent predictor of early mortality after surgery, while MELD grade failed to discriminatively predict early mortality. In addition to early mortality, the RAM score was also predictive of early recurrence in HCC after surgery.

Conclusions

This study demonstrated that RAM score is an effective and user-friendly bedside scoring system to predict early mortality and early recurrence after hepatectomy for HCC. In addition, the predictive capability of RAM score is superior to ALBI and MELD scores. Further study is warranted to validate our findings.
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Metadata
Title
RAM score is an effective predictor for early mortality and recurrence after hepatectomy for hepatocellular carcinoma
Authors
Heng-Yuan Hsu
Ming-Chin Yu
Chao-Wei Lee
Hsin-I Tsai
Chang-Mu Sung
Chun-Wei Chen
Shu-Wei Huang
Cheng-Yu Lin
Wen-Juei Jeng
Wei-Chen Lee
Miin-Fu Chen
Publication date
01-12-2017
Publisher
BioMed Central
Published in
BMC Cancer / Issue 1/2017
Electronic ISSN: 1471-2407
DOI
https://doi.org/10.1186/s12885-017-3748-9

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