Elevated serum neutrophil-lymphocyte ratio is associated with worse long-term survival in patients with HBV-related intrahepatic cholangiocarcinoma undergoing resection
التفاصيل البيبلوغرافية
العنوان:
Elevated serum neutrophil-lymphocyte ratio is associated with worse long-term survival in patients with HBV-related intrahepatic cholangiocarcinoma undergoing resection
BackgroundThis study aimed to examine the influence of serum inflammatory marker levels on long-term outcomes after liver resection in patients with intrahepatic cholangiocarcinoma (ICC).MethodsData from 1189 consecutive ICC patients who underwent liver resection were reviewed. The serum neutrophil-lymphocyte ratio (NLR), platelet-lymphocyte ratio (PLR), and prognostic nutritional index (PNI) were measured before surgery. Overall survival (OS) and tumour recurrence were analysed using the Kaplan–Meier method and compared using the log-rank test. Independent risk factors for OS and tumour recurrence were analysed using the Cox hazard regression model.ResultsWe identified elevated serum NLR (≥ 2.15) as an independent risk factor for both OS and tumour recurrence (hazard ratio [HR]: 1.327, 95% confidence interval [CI]: 1.105-1.593; HR: 1.274, 95% CI: 1.074-1.510) among the three inflammatory markers assessed. Elevated NLR was associated with higher carbohydrate antigen 19-9 (CA19-9) and carcinoembryonic antigen (CEA) levels, larger tumour size, multiple tumours, lymph node metastasis, vascular invasion, and more advanced tumour node metastasis (TNM) stage (III/IV). Subgroup analysis showed that elevated NLR was an independent risk factor for OS and tumour recurrence in patients with hepatitis B virus (HBV) infection compared with patients without HBV infection (HR: 1.347, 95% CI: 1.073-1.690; HR: 1.386, 95% CI: 1.112-1.726).ConclusionsElevated serum NLR was associated with worse prognosis among ICC patients who underwent liver resection, especially in patients with HBV infection.
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