TOKYO GUIDELINES 2018 (TG-18) Acute Cholecystitis Severity Grade CALCULATOR

Acute Cholecystitis Severity Grader

White blood cell count (>18,000/mL)? No Yes

Palpable RUQ mass? No Yes

Duration > 72 hrs? No Yes

Marked local inflammation (abscess, gangrene, etc)? No Yes

---

Cardiovascular dysfunction (dopamine > 5 μg/kg/min or norepinephrine)? No Yes

Neurological dysfunction (↓ consciousness)? No Yes

Respiratory dysfunction (PaO₂/FiO₂ < 300)? No Yes

Renal dysfunction (creatinine > 2.0 mg/dL or oliguria)? No Yes

Hepatic dysfunction (PT-INR > 1.5)? No Yes