Difficult laparoscopic cholecystectomy
Conditions
Interventions
Index test:An artificial intelligence prediction model based on preoperative conventional two-dimensional abdominal ultrasound images.
Gold Standard:The reference standard for defining difficult laparoscopic cholecystectomy was based on actual intraoperative findings.
Sponsors
Shaoxing People’s Hospital
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1.Patients who underwent standard laparoscopic cholecystectomy; 2.Completion of preoperative two-dimensional abdominal ultrasound examination with image quality adequate for analysis; 3.Complete intraoperative records, with postoperative pathological confirmation of benign gallbladder diseases (such as cholelithiasis or cholecystitis); 4.Age = 18 years;
Exclusion criteria
Exclusion criteria: 1.Intraoperative diagnosis of gallbladder malignancy or concomitant complex hepatobiliary diseases; 2.Missing preoperative imaging data or ultrasound images of insufficient quality for analysis; 3.Incomplete surgical records that prevent assessment of intraoperative surgical difficulty; 4.History of previous gallbladder or upper abdominal surgery that significantly alters anatomical structures;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Area under the curve (AUC); | — |
Secondary
| Measure | Time frame |
|---|---|
| sensitivity;specificity; | — |
Countries
China
Contacts
Public ContactHongwei Qian
Shaoxing People’s Hospital
Outcome results
None listed