The Risk Factors of Biliary Fistula After Radical Resection of Perihilar Cholangiocarcinoma in Elderly Patients and Its Influence on Prognosis: a Retrospective Cohort Study

Overview

Journal J Gastrointest Oncol

Date 2023 Mar 14

PMID 36915431

Authors

Rong Yin

Shasha Xu

Yin Gong

Jing Zhu

Haiou Zhu

Yan Tao

Xiangcheng Li

Affiliations

Soon will be listed here.

Abstract

Background: Nowadays, the incidence of perihilar cholangiocarcinoma (PHCC) is increasing yearly, and biliary fistula is a common complication. However, there are few reports on the factors affecting the occurrence of biliary fistula. This study aimed to analyze the risk factors for the occurrence of biliary fistula after radical surgery for PHCC in elderly patients to provide a reference basis for improving the prognosis.

Methods: From April 2016 to April 2021, we randomly included 250 elderly patients with pathologically diagnosed PHCC. Based on our established inclusion and exclusion criteria, we included 211 patients finally Bile drainage for 3 consecutive days after abdominal drainage or single bile drainage ≥100 mL/d was used as the diagnostic criteria for biliary fistula. Multiple logistic regression was used to analyze the independent risk factors for biliary fistula after radical surgery for PHCC. Besides, the Prognostic Score (PS), the Karnofsky performance score (KPS), and the quality of life (QOL) score were used to assess the patients' postoperative recovery, and survival curves were drawn to reflect their 1-year survival rate, using overall survival.

Results: The statistical results showed a 36.5% incidence of biliary fistula. Our study showed that preoperative cholangitis, number of biliary anastomoses, etc. were independent risk factors for grade B and grade C biliary fistula. Besides, the presence of intraoperative hemorrhage (OR =0.223, P=0.006) and γ-glutamyl transpeptidase (γ-GT) on the first postoperative day (OR =1.011, P=0.013) were still independent risk factors for grade B biliary fistula, while C-reactive protein (CRP) (OR =1.026, P=0.011) and total bilirubin (TBil) (OR =0.003, P=1.066) on the first postoperative day and bile duct diameter (OR =0.299, P=0.020) were independent risk factors for grade C biliary fistula. Analysis of variance (ANOVA) showed statistically significant differences (P<0.05) between the three groups in terms of PS (P=0.000), KPS (P=0.001), and QOL scores (P=0.000).

Conclusions: The incidence of postoperative biliary fistula remains high in elderly patients treated with radical surgery for PHCC and seriously affects their prognosis. Therefore, focusing on the clinical characteristics and risk factors of patients, improving surgical precision and enhancing postoperative patient care to reduce the likelihood of postoperative biliary fistula, thereby prolonging patient life.

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