Clinical Evaluation of a New Videoscope for Cholangioscopy
Author Information
Author(s): Yoshinori Igarashi, Takeo Ukita, Hirokazu Inoue, Jun Ishiguro, Satoshi Ogawa, Masahiro Satou, Iruru Maetani, Yoshihiro Sakai
Primary Institution: Toho University School of Medicine
Hypothesis
Is the new XCHF-B200 videoscope more effective than the traditional CHF-B20 for peroral cholangioscopy?
Conclusion
The XCHF-B200 videoscope provided clearer images of the bile duct mucosa compared to the CHF-B20, although its success rate was slightly lower.
Supporting Evidence
- The success rate of PCS using XCHF-B200 was 82%, while CHF-B20 had a success rate of 89%.
- Endoscopic images obtained with XCHF-B200 showed clear vascular patterns in all cases.
- After dyeing, images obtained with XCHF-B200 were clearer than those obtained with CHF-B20.
Takeaway
Doctors tested a new camera for looking inside bile ducts and found it showed better pictures, but it was a bit harder to use.
Methodology
The study compared the success rates and image quality of two cholangioscopes in 99 cases of patients who underwent endoscopic sphincterotomy.
Limitations
The study had a small sample size and the biopsy channel of the new scope was too small for standard biopsy forceps.
Participant Demographics
Patients with choledocholithiasis and cholangioma who underwent endoscopic sphincterotomy.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Want to read the original?
Access the complete publication on the publisher's website