Abstract
BackgroundX-ray cholangiography is of great value in the imaging of biliary tract diseases; however, occupational radiation exposure is unavoidable. Moreover, clinicians must manually inject the contrast dye, which may result in a relatively high incidence of adverse reactions due to unstable injection pressure. Thus, there is a need to develop a novel remote-controlled cholangiography injection device.MethodsPatients with external biliary drainage requiring cholangiography were included. A remote-controlled injection device was developed with three major components: an injection pump, a pressure sensor, and a wireless remote-control panel. Image quality, adverse reactions, and radiation dose were evaluated.ResultsDifferent kinds of X-ray cholangiography were successfully and smoothly performed using this remote-controlled injection device in all patients. The incidence of adverse reactions in the device group was significantly lower than that in the manual group (4.17% vs. 13.9%, P = 0.001), and increasing the injection pressure increased the incidence of adverse reactions. In addition, the device helped operators avoid ionizing radiation completely.ConclusionsWith good control of injection pressure (within 10 kPa), the remote-controlled cholangiography injection device could replace the need for the doctor to inject contrast agent with good security and effectivity. It is expected to be submitted for clinical application.
Highlights
X-ray cholangiography is of great value in the imaging of biliary tract diseases; occupational radiation exposure is unavoidable
Demographic data From January 2018 to September 2018, 268 patients from the First Affiliated Hospital of Xi’an Jiaotong University underwent cholangiography using our remote-controlled cholangiography injection device, 18 of whom were lost to follow-up
Different kinds of cholangiography (T-tube, Percutaneous transhepatic biliary drainage (PTBD), endoscopic nose biliary drainage [Endoscopic nose biliary drainage (ENBD)], etc.) using this novel remote-controlled device were successfully performed in all patients
Summary
X-ray cholangiography is of great value in the imaging of biliary tract diseases; occupational radiation exposure is unavoidable. Biliary tract diseases are common in hepatobiliary surgery, with the incidence of gallstones alone reaching up to 10% [1]. There are great challenges in the diagnosis and treatment of biliary tract diseases [2,3,4]. The diagnosis of biliary tract diseases depends on the use of a variety of imaging examinations [5], including B-mode ultrasonography [6], computed. Traditional cholangiography must be performed under X-ray, and a lead suit cannot fully protect the operator against radiation [14, 15]. Occupational exposure to radiation remains a detrimental side-effect. Radiation of unprotected areas such as the eyes and hands could cause cataracts, skin damage, or even cancer [16]
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