Gallstone disease, Gallbladder polyps, Chronic cholecystitis
Conditions
Interventions
None listed
Sponsors
The University of Tokyo hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: New patient cohort: Patients who undergo laparoscopic cholecystectomy at the Department of Hepatobiliary and Pancreatic Surgery and Organ Transplantation, The University of Tokyo Hospital, between the approval date and November 30, 2026, and who have provided informed consent.Specifically, this study excludes cases with severe gallbladder inflammation, such as acute cholecystitis following PTGBD or cholangitis with yellow granuloma, and instead focuses on cases with mild gallbladder inflammation, such as gallbladder polyps, gallstone disease, or mild chronic cholecystitis. Control group: Patients who underwent laparoscopic cholecystectomy at the Department of Hepatobiliary and Pancreatic Surgery, Tokyo University Hospital, between January 2008 and May 2025. The study focuses on cases with minimal gallbladder inflammation.
Exclusion criteria
Exclusion criteria: Patients aged 17 years or younger. Patients who are unable to give consent. Patients who have previously undergone laparoscopic cholecystectomy and have refused to participate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| We will compare the times deemed appropriate and inappropriate for surgical videos for each video and evaluate the usefulness of the new algorithm and select the most appropriate algorithm. We will also compare postoperative outcomes such as the length of hospital stay including patient information, the incidence of complications within 30 days, and the readmission rate within 90 days. | — |
Countries
Japan
Contacts
Public ContactRyo Oikawa
The University of Tokyo Hospital Hepato-Biliary-Pancreatic Surgery Division, Department of Surgery
Outcome results
None listed