Major complications and mortality after resection of intrahepatic cholangiocarcinoma: A systematic review and meta-analysis

Anne Marleen van Keulen, Stefan Büttner, Joris I. Erdmann, Jeroen Hagendoorn, Frederik J.H. Hoogwater, Jan N.M. IJzermans, Ulf P. Neumann, Wojciech G. Polak, Jeroen De Jonge, Pim B. Olthof, Bas Groot Koerkamp*

*Corresponding author for this work

Research output: Contribution to journalReview articleAcademicpeer-review

3 Citations (Scopus)
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Abstract

Background: Evaluation of morbidity and mortality after hepatic resection often lacks stratification by extent of resection or diagnosis. Although a liver resection for different indications may have technical similarities, postoperative outcomes differ. The aim of this systematic review and meta-analysis was to determine the risk of major complications and mortality after resection of intrahepatic cholangiocarcinoma. 

Methods: Meta-analysis was performed to assess postoperative mortality (in-hospital, 30-, and 90-day) and major complications (Clavien-Dindo grade ≥III). 

Results: A total of 32 studies that reported on 19,503 patients were included. Pooled in-hospital, 30-day, and 90-day mortality were 5.9% (95% confidence interval 4.1–8.4); 4.6% (95% confidence interval 4.0–5.2); and 6.1% (95% confidence interval 5.0–7.3), respectively. Pooled proportion of major complications was 22.2% (95% confidence interval 17.7–27.5) for all resections. The pooled 90-day mortality was 3.1% (95% confidence interval 1.8–5.2) for a minor resection, 7.4% (95% confidence interval 5.9–9.3) for all major resections, and 11.4% (95% confidence interval 6.9–18.7) for extended resections (P = .001). Major complications were 38.8% (95% confidence interval 29.5–49) after a major hepatectomy compared to 11.3% (95% confidence interval 5.0–24.0) after a minor hepatectomy (P = .001). Asian studies had a pooled 90-day mortality of 4.4% (95% confidence interval 3.3–5.9) compared to 6.8% (95% confidence interval 5.6–8.2) for Western studies (P = .02). Cohorts with patients included before 2000 had a pooled 90-day mortality of 5.9% (95% confidence interval 4.8–7.3) compared to 6.8% (95% confidence interval 5.1–9.1) after 2000 (P = .44). 

Conclusion: When informing patients or comparing outcomes across hospitals, postoperative mortality rates after liver resection should be reported for 90-days with consideration of the diagnosis and the extent of liver resection.

Original languageEnglish
Pages (from-to)973-982
Number of pages10
JournalSurgery (United States)
Volume173
Issue number4
Early online date27 Dec 2022
DOIs
Publication statusPublished - Apr 2023

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