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Determination of Risk Factors for Pain After Transarterial Chemoembolization with Drug-Eluting Beads for Hepatocellular Carcinoma

Authors Wang TC, Zhang ZS, Xiao YD

Received 16 January 2020

Accepted for publication 6 March 2020

Published 27 March 2020 Volume 2020:13 Pages 649—656


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Dr Michael Schatman

Tian-Cheng Wang, Zi-Shu Zhang, Yu-Dong Xiao

Department of Radiology, The Second Xiangya Hospital of Central South University, Changsha, Hunan, People’s Republic of China

Correspondence: Yu-Dong Xiao Email

Purpose: To identify risk factors for pain after transarterial chemoembolization with drug-eluting beads (DEB-TACE) for hepatocellular carcinoma (HCC).
Patients and Methods: In this retrospective study, a total of 118 consecutive patients who underwent DEB-TACE between June 2016 and May 2019 with post-TACE pain were included. The patients were divided into three groups based on the severity of post-TACE pain according to the distribution of pain Visual Analogue Scale/Score (VAS). Potential risk factors for post-TACE pain were primarily analyzed using the chi-square test, one-way analysis of variance, or Kruskal–Wallis test (if appropriate). For multivariate analysis, an ordinal logistic regression model was utilized. Variables with P< 0.10 in the univariate analysis were included in a multivariate model to identify independent risk factors for post-TACE pain. A multivariate analysis was also performed by means of a decision tree using the Classification and Regression Tree (CART) algorithm.
Results: The univariate analysis showed that elderly patients or patients with portal venous tumor thrombus (PVTT) were more likely to have severe post-TACE pain than young patients or those without PVTT (P=0.028 and < 0.001, respectively). However, in the ordinal logistic regression, nonsuperselective chemoembolization and presence of PVTT were independent risk factors of severe post-TACE pain (P=0.046 and < 0.001, respectively). In addition, the CART showed that nonsuperselective chemoembolization and PVTT could increase the probability of severe post-TACE pain.
Conclusion: Nonsuperselective chemoembolization and PVTT are independent risk factors for pain after DEB-TACE. Therefore, these factors should be taken into full consideration for the relief of pain.

Keywords: microspheres, chemoembolization, therapeutic, risk factors, carcinoma, hepatocellular, pain

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