**4. Patient preparation**

The basis for successful and safe cholecystectomy is thorough preoperative preparation with the highest emphasis on the patient's physical status and correct indication for surgical therapy. It is important to assess any patient's comorbidities such as cardiac disease, diabetes mellitus as well as factors potentially complicating cholecystectomy such as previous abdominal surgery in the upper half of the abdomen, inflammation, obesity, and pregnancy.

### **4.1 Preoperative algorithm**


Eventually, this results in correct indication for surgical or nonsurgical therapy, the timing of the surgery, the type of planned surgery with optimal preoperative preparation (thromboprophylaxis according to Caprini score, antibiotics in indicated cases), and well-informed patient about every step of his procedure with solutions for potential complications [8].
