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Updated: Nov 8, 2025

Laparoscopic Common Bile Duct Exploration in Patients with a Previous History of Biliary Tract Surgery

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Published on: February 10, 2023

Digital single-operator cholangioscope for endoscopic retrograde appendicitis therapy.

Ling-Jian Kong¹, Dan Liu¹, Ji-Yu Zhang¹

¹Department of Gastroenterology and Hepatology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, P. R. China.

|April 24, 2021

Summary

A digital single-operator cholangioscope (SOC) system offers a safe and effective method for diagnosing and treating acute appendicitis. This endoscopic retrograde appendicitis therapy (ERAT) shows promising results without needing additional imaging guidance.

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Area of Science:

Gastroenterology
Endoscopic Surgery

Background:

Acute appendicitis diagnosis and management traditionally involve surgical intervention.
Minimally invasive endoscopic techniques are being explored for appendicitis treatment.

Purpose of the Study:

To evaluate the diagnostic and therapeutic utility of a digital single-operator cholangioscope (SOC) system.
To assess the feasibility, safety, and efficacy of SOC-assisted endoscopic retrograde appendicitis therapy (ERAT) for acute appendicitis.

Main Methods:

14 patients with acute uncomplicated appendicitis underwent diagnosis and treatment using a digital SOC system.
Procedures included direct colonoscopy imaging and cholangioscopy.
Key outcomes measured were technical success rate, procedure time, hospital stay, complications, and recurrence.

Main Results:

100% technical success rate with high-quality imaging of the appendiceal cavity.
Mean procedure time was 37.8 minutes.
Patients experienced immediate pain relief, with a mean postoperative hospital stay of 1.9 days and no recurrence during follow-up.

Conclusions:

Digital SOC-assisted ERAT is a feasible, safe, and effective approach for acute uncomplicated appendicitis.
This method eliminates the need for X-ray or ultrasonic guidance.
It presents a viable alternative to traditional appendicitis management.