Grades Definition
Grade 1 Any deviation from the normal postoperative course without the need for pharmacological treatment or surgical, endoscopic and radiological interventions
Allowed therapeutic regimens are: drugs as antiemetics, antipyretics, analgetics, diuretics and electrolytes and physiotherapy. This grade also includes wound infections opened at the bedside.
Grade 2 Requiring pharmacological treatment with drugs other than such allowed for grade I complications.
Blood transfusionsand total parenteral nutritionare also included.

Grade 3

Requiring surgical, endoscopic or radiological intervention

       - 3a

Intervention not under general anesthesia

       - 3b

Intervention under general anesthesia

Grade 4

Life-threatening complication (including CNS complications)* requiring IC/ICU-management

       - 4a

single organ dysfunction (including dialysis)

       - 4b

multiorgan dysfunction
Grade 5 Death of a patient

*brain hemorrhage, ischemic stroke, subarrachnoidal bleeding, but excluding transient ischemic attacks (TIA); IC: Intermediate care; ICU: Intensive care unit.

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