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Table 1 Definition of the Clavien-Dindo Score [18]

From: Substitution of perioperative albumin deficiency disorders (SuperAdd) in adults undergoing vascular, abdominal, trauma, or orthopedic surgery: protocol for a randomized controlled trial

Grades

Definition

Grade I

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, analgesics, diuretics, and electrolytes and physiotherapy. This grade also includes wound infections opened at the bedside.

Grade II

Requiring pharmacological treatment with drugs other than such allowed for grade I complications.

Blood transfusions and total parenteral nutrition are also included.

Grade III

Requiring surgical, endoscopic, or radiological intervention.

Grade III-a

Intervention not under general anesthesia.

Grade III-b

Intervention under general anesthesia.

Grade IV

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

Grade IV-a

Single organ dysfunction (including dialysis).

Grade IV-b

Multi-organ dysfunction.

Grade V

Death of a patient.