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  • Durable complete response i...
    Shirono, Tomotake; Iwamoto, Hideki; Niizeki, Takashi; Shimose, Shigeo; Kajiwara, Akira; Suzuki, Hiroyuki; Kamachi, Naoki; Noda, Yu; Okamura, Shusuke; Nakano, Masahito; Kuromatsu, Ryoko; Murotani, Kenta; Koga, Hironori; Torimura, Takuji

    Hepatology communications, September 2022, Letnik: 6, Številka: 9
    Journal Article

    In 2013 and 2014, the development of microcatheters with balloons for the 4‐Fr system and new embolization materials provided various options for transarterial chemoembolization (TACE), expanding the range of treatment strategies. At our hospital, balloon‐occluded TACE (B‐TACE), conventional TACE (C‐TACE), and drug‐eluting bead TACE (DEB‐TACE) have been actively performed for hepatocellular carcinoma (HCC). This study compared the local recurrence‐free (LRF) periods of nodules with complete necrosis (TE4) obtained using each treatment method by extracting the nodules evaluated as complete response by the modified Response Evaluation Criteria in Solid Tumors. We performed 580 TACE procedures between June 2013 and April 2019. Among them, 58 HCC nodules in 43 patients, 33 nodules in 30 patients, and 45 nodules in 25 patients were evaluated as having complete necrosis after C‐TACE, DEB‐TACE, and B‐TACE, respectively. The time to local recurrence for each nodule was defined as the LRF period, and the quality of TE4 for each TACE was examined. Factors related to overall survival and the LRF period were determined by univariate and multivariate analyses, and overall survival and the LRF period were analyzed using the Kaplan–Meier method. Multivariate analysis of the LRF period showed that B‐TACE was an independent factor. The median LRF periods were 39.3, 13, and 9.1 months for B‐TACE, C‐TACE, and DEB‐TACE, respectively. Moreover, B‐TACE had a significantly longer LRF period than C‐TACE and DEB‐TACE. Conclusion: There was no significant difference between C‐TACE and DEB‐TACE. The LRF period of nodules with TE4 was the longest with B‐TACE, suggesting that B‐TACE should be used to achieve a radical cure in patients with HCC. This study aimed to clarify the clinical question of whether there are differences in the quality of complete necrosis after TACE. The results showed that B‐TACE had a significantly longer LRF period than other TACEs. In addition, the factors associated with a longer LRF period were larger tumor size (> 29 mm) and choice of the B‐TACE procedure.