Introduction
Renal dysfunction is a known surgical risk factor, yet the influence of procedure type on this risk remains unclear. We examined whether the impact of non-dialysis and dialysis-dependent chronic kidney disease (CKD) on outcomes after liver resection for hepatocellular carcinoma (HCC) differs according to resection type.
Materials and methods
We retrospectively reviewed 877 HCC patients who underwent liver resection between 2007 and 2024 and categorized them into three groups: normal renal function, non-dialysis CKD (estimated glomerular filtration rate of <45 mL/min/1.73 m2), and dialysis-dependent CKD. Short- and long-term outcomes were analyzed using multivariable logistic and Cox regression analyses. Propensity score matching and subgroup analyses stratified by procedure type (anatomical vs. non-anatomical) were performed to validate the findings.
Results
Compared with normal renal function, non-dialysis CKD was independently associated with increased postoperative complications (overall: odds ratio [OR] 2.14; 95 % confidence interval [CI], 1.19–3.83; p = 0.011; major: OR, 2.60; 95 % CI, 1.28–5.31; p = 0.008), but not with worse survival. Dialysis-dependent CKD was not significantly linked to complications or prognosis. Propensity score matching confirmed a higher complication rate in the non-dialysis CKD group (27 % vs. 14 %, p = 0.047). In subgroup analyses, non-dialysis CKD increased postoperative complications after non-anatomical resection (OR 2.31; p = 0.022), but not after anatomical resection (OR 1.95; p = 0.233), suggesting a procedure-dependent effect.
Conclusion
Non-dialysis CKD independently increases surgical risk without affecting long-term outcomes, with a procedure-dependent risk pattern. Dialysis is not a contraindication to surgery. Tailored operative strategies are essential for HCC patients with CKD.
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