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Perihilar Cholangiocarcinoma – Novel Benchmark Values for Surgical and Oncological Outcomes From 24 Expert Centers

  • Matteo Mueller
  • , Eva Breuer
  • , Takashi Mizuno
  • , Fabian Bartsch
  • , Francesca Ratti
  • , Christian Benzing
  • , Noémie Ammar-Khodja
  • , Teiichi Sugiura
  • , Tsukasa Takayashiki
  • , Amelia Hessheimer
  • , Hyung Sun Kim
  • , Andrea Ruzzenente
  • , Keun Soo Ahn
  • , Tiffany Wong
  • , Jan Bednarsch
  • , Mizelle D’Silva
  • , Bas Groot Koerkamp
  • , Heithem Jeddou
  • , Victor López-López
  • , Charles de Ponthaud
  • Jennifer A. Yonkus, Warsan Ismail, Lynn E. Nooijen, Camila Hidalgo-Salinas, Elissaios Kontis, Kim C. Wagner, Ganesh Gunasekaran, Ryota Higuchi, Ana Gleisner, Chaya Shwaartz, Gonzalo Sapisochin, Richard D. Schulick, Masakazu Yamamoto, Takehiro Noji, Satoshi Hirano, Myron Schwartz, Karl J. Oldhafer, Andreas Prachalias, Giuseppe K. Fusai, Joris I. Erdmann, Pål Dag Line, Rory L. Smoot, Olivier Soubrane, Ricardo Robles-Campos, Karim Boudjema, Wojciech G. Polak, Ho Seong Han, Ulf P. Neumann, Chung Mau Lo, Koo Jeong Kang, Alfredo Guglielmi, Joon Seong Park, Constantino Fondevila, Masayuki Ohtsuka, Katsuhiko Uesaka, René Adam, Johann Pratschke, Luca Aldrighetti, Michelle L. de Oliveira, Gregory J. Gores, Hauke Lang, Masato Nagino, Pierre Alain Clavien*
*Corresponding author for this work
  • University of Zurich
  • Nagoya University
  • Johannes Gutenberg University Mainz
  • San Raffaele Scientific Institute
  • Charité – Universitätsmedizin Berlin
  • Hôpital Paul Brousse
  • Shizuoka Cancer Center
  • Chiba University
  • University of Barcelona
  • Yonsei University
  • University of Verona
  • Keimyung University
  • The University of Hong Kong
  • RWTH Aachen University
  • Seoul National University
  • Erasmus University Rotterdam
  • Université de Rennes
  • Hospital Virgen de la Arrixaca
  • APHP Beaujon
  • Mayo Clinic Rochester, MN
  • University of Oslo
  • University of Amsterdam
  • Royal Free London NHS Foundation Trust
  • King's College Hospital NHS Foundation Trust
  • Semmelweis University
  • Icahn School of Medicine at Mount Sinai
  • Tokyo Women's Medical University
  • University of Colorado Anschutz Medical Campus
  • University Health Network
  • Hokkaido University

Research output: Contribution to journal › Article › peer-review

181 Scopus citations

Abstract

Objective: The aim of this study was to define robust benchmark values for the surgical treatment of perihilar cholangiocarcinomas (PHC) to enable unbiased comparisons. Background: Despite ongoing efforts, postoperative mortality and morbidity remains high after complex liver surgery for PHC. Benchmark data of best achievable results in surgical PHC treatment are however still lacking. Methods: This study analyzed consecutive patients undergoing major liver surgery for PHC in 24 high-volume centers in 3 continents over the recent 5-year period (2014–2018) with a minimum follow-up of 1 year in each patient. Benchmark patients were those operated at high-volume centers (≥50 cases during the study period) without the need for vascular reconstruction due to tumor invasion, or the presence of significant co-morbidities such as severe obesity (body mass index ≥35), diabetes, or cardiovascular diseases. Benchmark cutoff values were derived from the 75th or 25th percentile of the median values of all benchmark centers. Results: Seven hundred eight (39%) of a total of 1829 consecutive patients qualified as benchmark cases. Benchmark cut-offs included: R0 resection ≥57%, postoperative liver failure (International Study Group of Liver Surgery): ≤35%; in-hospital and 3-month mortality rates ≤8% and ≤13%, respectively; 3-month grade 3 complications and the CCI: ≤70% and ≤30.5, respectively; bile leak-rate: ≤47% and 5-year overall survival of ≥39.7%. Centers operating mostly on complex cases disclosed better outcome including lower post-operative liver failure rates (4% vs 13%; P = 0.002). Centers from Asia disclosed better outcomes. Conclusion: Surgery for PHC remains associated with high morbidity and mortality with now the availability of benchmark values covering 21 outcome parameters, which may serve as key references for comparison in any future analyses of individuals, group of patients or centers.

Original languageEnglish
Pages (from-to)780-788
Number of pages9
JournalAnnals of Surgery
Volume274
Issue number5
DOIs
StatePublished - 1 Nov 2021
Externally publishedYes

Funding

FundersFunder number
Liver and Gastrointestinal Disease) Foundation
LGID
Yvonne Jacob Foundation
Japan Society for the Promotion of Science19K09113

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 3 - Good Health and Well-being
      SDG 3 Good Health and Well-being

    Keywords

    • Benchmarks
    • CCI
    • Major liver surgery
    • Outcomes
    • Perihilar cholangiocarcinoma
    • Surgical complications

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