Impact of Altered Body Composition on Clinical and Oncological Outcomes in Intrahepatic Cholangiocarcinoma

Guanwu Wang, Carlos C. Otto, Lara R. Heij, Tarick M. Al-Masri, Edgar Dahl, Daniel Heise, Steven W. M. Olde Damink, Tom Luedde, Sven A. Lang, Tom F. Ulmer, Ulf P. Neumann, Jan Bednarsch*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Intrahepatic cholangiocarcinoma is a common primary liver tumor with limited treatment options and poor prognosis. Changes in body composition (BC) have been shown to affect the prognosis of various types of tumors. Therefore, our study aimed to investigate the correlation between BC and clinical and oncological outcomes in patients with iCCA. All patients with iCCA who had surgery from 2010 to 2022 at our institution were included. We used CT scans and 3D Slicer software to assess BC and conducted logistic regressions as well as Cox regressions and Kaplan-Meier analyses to investigate associations between BC and clinical variables with focus on postoperative complications and oncological outcomes. BC was frequently altered in iCCA (n = 162), with 53.1% of the patients showing obesity, 63.2% sarcopenia, 52.8% myosteatosis, 10.1% visceral obesity, and 15.3% sarcopenic obesity. The multivariate analysis showed no meaningful association between BC and perioperative complications. Myosteatosis was associated with reduced overall survival (OS) in iCCA patients (myosteatosis vs. non-myosteatosis, 7 vs. 18 months, p = 0.016 log rank). Further, the subgroup analysis revealed a notable effect in the subset of R0-resected patients (myosteatosis vs. non-myosteatosis, 18 vs. 32 months, p = 0.025) and patients with nodal metastases (myosteatosis vs. non-myosteatosis, 7 vs. 18 months, p = 0.016). While altered BC is not associated with perioperative outcomes in iCCA, myosteatosis emerges as a prognostic factor for reduced OS in the overall and sub-populations of resected patients.
Original languageEnglish
Article number7747
Number of pages19
JournalJournal of Clinical Medicine
Volume12
Issue number24
DOIs
Publication statusPublished - 1 Dec 2023

Keywords

  • intrahepatic cholangiocarcinoma
  • body composition
  • postoperative complications
  • oncological outcome
  • PERINEURAL INVASION
  • LYMPHOVASCULAR INVASION
  • PROGNOSTIC-FACTORS
  • GASTRIC-CANCER
  • RESECTION
  • SURVIVAL
  • SARCOPENIA
  • MANAGEMENT
  • OBESITY

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