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Updated: Jun 13, 2025
Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
Published on: March 25, 2022
Risk factors for acute pancreatitis post percutaneous transhepatic biliary stenting in patients with distal malignant
Chengzhi Zhang1, Yiming Liu1, Xueliang Zhou1
1Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
Background:
Percutaneous transhepatic biliary stenting (PTBS) is an effective treatment for distal malignant biliary obstruction (MBO). Postoperative acute pancreatitis (AP) is a dangerous complication of this procedure. This study sought to investigate the risk factors for AP after PTBS.
Methods:
A total of 463 patients who underwent PTBS to treat suspected MBO from October 2012 to October 2021 were enrolled in this retrospective study. Among them, 26 individuals met the diagnostic criteria for postoperative pancreatitis following PTBS. The incidence of AP at 1 month postoperatively was recorded and analyzed. Several risk factors for AP were analyzed, and the odds ratios (ORs) were calculated by univariate and multivariate logistic analyses.
Results:
The incidence of AP after PTBS was 10.88% (26/239). The results of the multivariate analyses showed that repeated bile duct hemorrhage (OR =14.370, P=0.0001), intraoperative dilation (OR =7.848, P=0.0003), an operation time >50 min (OR =5.783, P=0.0009), and previous endoscopic intervention (OR =5.468, P=0.0021) were correlated with a high incidence of AP, while sex, age, time to biliary obstruction, body mass index, Eastern Cooperative Oncology Group score, previous anticancer treatments, forceps biopsy, obstruction length, stent size, contrast volume, operators, 125I strand placement, and blood parameters were not significantly correlated with AP (all P>0.05).
Conclusions:
A long operation time, intraoperative dilation, repeated bile duct hemorrhage, and previous endoscopic intervention were independent risk factors for AP. These factors should be considered by clinicians in future practice.
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