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The risk factors affecting effect of extracorporeal shock wave lithotripsy for pancreatic duct stones
Sammad Abdul1, Xiaofei Jiao2, Chunying Wu3
1International Education College, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China.
Objectives:
This study aimed to investigate the factors affecting effect of extracorporeal shock wave lithotripsy (ESWL) for pancreatic duct stones.
Materials And Methods:
The data of 160 patients who underwent ESWL for pancreatic duct stones in Department of Gastroenterology, First People's Hospital of Hangzhou, Westlake University School of Medicine, from July 2017 to June 2023, were retrospectively analyzed. The age and sex of the patients were recorded. All patients underwent spiral computed tomography (CT) abdominal plain scan. The placement of the pancreatic duct stent was recorded. The maximum CT value of stones was manually measured. The regions of interest (ROI) was delineated using ITK-SNAP software, and the stone volume was recorded. According to the size of residual stones after lithotripsy, 99 patients were included in the complete lithotripsy group (CL Group) and 61 patients in the incomplete lithotripsy group (ICL Group). SPSS 26.0 software was used for processing and analysis. A P value < 0.05 was considered statistically significant.
Results:
The Sex, maximum CT value, and volume of pancreatic duct stones were statistically significant in both groups. Binary logistic regression analysis showed that female sex, maximum CT value, and volume of pancreatic duct stones were independent risk factors affecting incomplete ESWL fragmentation in pancreatic duct stones. ICL group had a higher mean number of treatments and mean number of impacts than CL group.
Conclusion:
The Sex, maximum CT value, and volume of stones were related to the therapeutic effect of ESWL. Female sex, maximum CT value, and volume of stones were independent risk factors affecting incomplete stone fragmentation.
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