Liver regeneration after portal and hepatic vein embolization improves overall survival compared with portal vein embolization alone: mid-term survival analysis of the multicentre DRAGON 0 cohort

Remon Korenblik*, Jan Heil, Jens Smits, Sinead James, Bram Olij, Wolf O Bechstein, Marc H A Bemelmans, Christoph A Binkert, Stefan Breitenstein, Michael Williams, Olivier Detry, Maxime J L Dewulf, Alexandra Dili, Lukasz F Grochola, Jon Grote, Daniel Heise, Jennifer A Kalil, Peter Metrakos, Ulf P Neumann, Sam G PappasFrancesca Pennetta, Andreas A Schnitzbauer, Jordan C Tasse, Bjorn Winkens, Steven W M Olde Damink, Christiaan van der Leij, Erik Schadde, Ronald M van Dam, DRAGON Trials Collaborative

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

BACKGROUND: The purpose of this study was to compare 3-year overall survival after simultaneous portal (PVE) and hepatic vein (HVE) embolization versus PVE alone in patients undergoing liver resection for primary and secondary cancers of the liver. METHODS: In this multicentre retrospective study, all DRAGON 0 centres provided 3-year follow-up data for all patients who had PVE/HVE or PVE, and were included in DRAGON 0 between 2016 and 2019. Kaplan-Meier analysis was undertaken to assess 3-year overall and recurrence/progression-free survival. Factors affecting survival were evaluated using univariable and multivariable Cox regression analyses. RESULTS: In total, 199 patients were included from 7 centres, of whom 39 underwent PVE/HVE and 160 PVE alone. Groups differed in median age (P = 0.008). As reported previously, PVE/HVE resulted in a significantly higher resection rate than PVE alone (92 versus 68%; P = 0.007). Three-year overall survival was significantly higher in the PVE/HVE group (median survival not reached after 36 months versus 20 months after PVE; P = 0.004). Univariable and multivariable analyses identified PVE/HVE as an independent predictor of survival (univariable HR 0.46, 95% c.i. 0.27 to 0.76; P = 0.003). CONCLUSION: Overall survival after PVE/HVE is substantially longer than that after PVE alone in patients with primary and secondary liver tumours.
Original languageEnglish
Article numberznae087
Number of pages9
JournalBritish Journal of Surgery
Volume111
Issue number4
DOIs
Publication statusPublished - 3 Apr 2024

Keywords

  • Humans
  • Portal Vein
  • Male
  • Female
  • Liver Neoplasms/therapy mortality surgery
  • Retrospective Studies
  • Embolization, Therapeutic/methods
  • Middle Aged
  • Liver Regeneration/physiology
  • Aged
  • Hepatic Veins
  • Hepatectomy/methods
  • Survival Rate
  • Survival Analysis
  • Adult

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