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Erschienen in: Surgical Endoscopy 1/2022

01.02.2021

Laparoscopic radiofrequency ablation of subcapsular hepatocellular carcinomas: risk factors related to a technical failure

verfasst von: Seong Eun Ko, Min Woo Lee, Ji Hye Min, Soo Hyun Ahn, Hyunchul Rhim, Tae Wook Kang, Kyoung Doo Song, Jong Man Kim, Gyu-Seong Choi, Dong Ik Cha, Hyo Keun Lim

Erschienen in: Surgical Endoscopy | Ausgabe 1/2022

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Abstract

Background

This study aimed to evaluate the risk factors related to a technical failure after laparoscopic radiofrequency ablation (RFA) for subcapsular hepatocellular carcinomas (HCCs).

Materials and methods

A total of 110 patients with 114 HCCs who underwent laparoscopic RFA for HCCs (new HCC [n = 85] and local tumor progression [LTP] [n = 29]) between January 2013 and December 2018 were included. We evaluated the incidence of technical failure on immediate post-RFA CT images. Risk factors for a technical failure after laparoscopic RFA were assessed using univariable logistic regression analyses. The cumulative LTP rate was estimated using the Kaplan–Meier method.

Results

Technical failure was noted in 3.5% (4/114) of the tumors. All four tumors that showed a technical failure were cases of LTP from previous treatment and were invisible on laparoscopy. On univariate analysis, LTP lesion, invisibility of the index tumor on laparoscopy, and peri-hepatic vein location of the tumor were identified as risk factors for a technical failure. The cumulative LTP rates at 1, 3, and 5 years were estimated to be 2.8%, 4.8%, and 4.8%, respectively.

Conclusions

LTP lesion, invisibility of the index tumor on laparoscopy, and peri-hepatic vein location of the tumor were identified as the risk factors for a technical failure after laparoscopic RFA.
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Metadaten
Titel
Laparoscopic radiofrequency ablation of subcapsular hepatocellular carcinomas: risk factors related to a technical failure
verfasst von
Seong Eun Ko
Min Woo Lee
Ji Hye Min
Soo Hyun Ahn
Hyunchul Rhim
Tae Wook Kang
Kyoung Doo Song
Jong Man Kim
Gyu-Seong Choi
Dong Ik Cha
Hyo Keun Lim
Publikationsdatum
01.02.2021
Verlag
Springer US
Erschienen in
Surgical Endoscopy / Ausgabe 1/2022
Print ISSN: 0930-2794
Elektronische ISSN: 1432-2218
DOI
https://doi.org/10.1007/s00464-021-08310-7

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