Design of an improved percutaneous transhepatic cholangio drainage tube based on MRCP imaging data
10.3760/cma.j.cn112138-112138-20231106-00299
- VernacularTitle:基于磁共振胆胰管成像图像测量的改良型经皮肝穿刺胆管引流用胆管引流管设计研究
- Author:
Xiang GENG
1
;
Hailiang LI
;
Hongtao HU
;
Chenyang GUO
;
Hongkai ZHANG
;
Jing LI
;
Quanjun YAO
;
Weili XIA
;
Hang YUAN
Author Information
1. 郑州大学附属肿瘤医院（河南省肿瘤医院）微创介入科，郑州 450008
- Keywords:
Cholangiopancreatography, magnetic resonance;
Drainage;
Percutaneous transhepatic biliary drainage
- From:
Chinese Journal of Internal Medicine
2024;63(3):291-294
- CountryChina
- Language:Chinese
-
Abstract:
Objective:Quantified MRCP imaging data was used as a reference for design and preparation of a modified percutaneous transhepatic cholangio drainage (PTCD) tube.Methods:3.0 T upper abdominal MR and MRCP imaging data of 2 300 patients treated from July 2015 to July 2020 at the Department of Radiology of the Affiliated Cancer Hospital of Zhengzhou University were screened and a total of 381 patients diagnosed with biliary duct structures were identified. Causative etiologies among these patients included pancreatic adenocarcinoma (pancreatic head), cholangiocarcinoma, ampullary carcinoma, as well as intrahepatic and/or extrahepatic bile duct dilation. An improved PTCD tube was designed based on MRCP quantification of left and right hepatic and common hepatic duct length.Results:In the setting of biliary obstruction caused by malignancy, the distance of the left hepatic duct from its origin to the point of left and right hepatic duct confluence was 15.9±3.8 mm, while the distance of the right hepatic duct from its origin to the point of left and right hepatic duct confluence was 12.4±3.2 mm; the length of the bile duct from its origin to the point of left and right hepatic duct confluence was 34.0±8.1 mm. The improved PTCD tube design incorporated an altered length of the drainage orifice.Conclusion:MRCP imaging of the biliary tract is effective for measuring biliary tract length in the setting of pathological dilation. Based on our biliary tract measurements, a modified PTCD tube was designed to more effectively meet drainage requirements and manage biliary obstruction caused by Bismuth-Corlette type Ⅱ and Ⅲ malignancies.
