CholeS Score for Duration of Laparoscopic Cholecystectomy
CholeS Score
Age
Sex
BMI
ASA Grade
Previous Upper Abdominal Surgery
Gallbladder Wall Thickness
Common Bile Duct Diameter
Indication
CholeS Score:
0
Low Difficulty
Predicted straightforward laparoscopic cholecystectomy. Short operative time expected.
Predicts operative time of laparoscopic cholecystectomy.
Why Use
May help with operative scheduling and more accurate estimates of operative times.
When to Use
Use in patients undergoing elective cholecystectomy. Do not use for emergency cases.
Formula
Addition of the selected points: Variable Points Age, years <40 0 ≥40 1.5 Gender Male 1 Female 0 Indication Pancreatitis 0 Colic, dyskinesia, or polyp 0.5 Common bile duct stone 2 Acalculous or cholecystitis 2.5 BMI <25 0 25-35 1 >35 2 Common bile duct diameter Normal 0 Dilated 2 Gallbladder wall Normal 0 Thick 1.5 Pre-operative CT done No 0 Yes 1.5 Intra-op cholangiogram planned No 0 Yes 3 Number of previous surgical admissions 0 0 1-2 1 >2 2.5 ASA Class 1 0 2 1 >2 2.5
Pearls / Pitfalls
Applies only to lap chole, not to other operations.
Advice
May be used in booking operative time.
More Information
Interpretation: CholeS Score Risk group Likelihood of operative time >90 minutes 0-3.5 Low 5.1% 4-8 Intermediate 5.1-41.8% >8 High 41.8%