Bowel emptying is not necessary.
- intravenously antibiotic prophylaxis at the latest at the beginning of the anesthesia. It should be considered whether the patients in addtition should have oral antibiotics from the day before the surgery.
- thrombosis prophylaxis with low molecular weight heparin.
During the surgery it is inserted:
- epidural catheter for pain management.
- urinary catheter.
- naso-gastric tube which is removed by the end of the surgery.