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. 2025 Oct 30.
doi: 10.1002/jhbp.70022. Online ahead of print.

Preoperative Serum High-Density Lipoprotein Cholesterol Serves as a Prognostic Marker for Postoperative Prognosis of Distal Cholangiocarcinoma

Han-Xuan Wang  1 , Jin-Can Huang  1 , Shao-Cheng Lyu  1 , You-Wei Ma  1 , Qiang He  1 , Ren Lang  1 , Fei Pan  1
Affiliations

Preoperative Serum High-Density Lipoprotein Cholesterol Serves as a Prognostic Marker for Postoperative Prognosis of Distal Cholangiocarcinoma

Han-Xuan Wang et al. J Hepatobiliary Pancreat Sci. .

Abstract

Background: Researches revealed a close correlation between serum lipid and tumor prognosis. The current study aimed to explore the predictive value of preoperative serum lipid levels for the postoperative prognosis of distal cholangiocarcinoma (dCCA).

Methods: This study retrospectively included 203 dCCA patients who underwent radical surgery in our department. The Kaplan-Meier method and Cox regression model were used for univariate and multivariate analysis. Six machine-learning models were used to build a prediction model for postoperative prognosis. Subgroup and correlation analyses were conducted to reveal influencing factors.

Results: Preoperative high-density lipoprotein cholesterol (HDL-c) had the best area under the ROC curve with a cutoff value of 0.415 mmol/L. Overall survival and disease-free survival were significantly lower in the low HDL-c group (p < 0.05). Univariate and multivariate analyses identified HDL-c ≤ 0.415 mmol/L as an independent risk factor for postoperative tumor recurrence and overall survival. The survival prediction model incorporating HDL-c constructed by the random forest model exhibited optimal prediction value. Subgroup analysis confirmed HDL-c ≤ 0.415 mmol/L as an independent risk factor for postoperative tumor recurrence and overall survival in patients with tumor infiltration depth ≥ 12 mm, lymph node metastasis and elevated preoperative CA19-9.

Conclusion: HDL-c ≤ 0.415 mmol/L is an independent risk factor for postoperative prognosis in dCCA patients.

Keywords: distal cholangiocarcinoma; high density lipoprotein cholesterol; postoperative prognosis; prognostic value.

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