Grade | Definition | Examples |
---|---|---|
Grade 0 | No deviation from the ideal intraoperative course | |
Grade I |
Any deviation from the ideal intraoperative course: Without the need for any additional treatment or intervention Patient with no or mild symptoms |
|
Grade II |
Any deviation from the ideal intraoperative course:With the need for any additional minor treatment or intervention Patient with moderate symptoms, not life-threatening and not leading to permanent disability |
|
Grade III |
Any deviation from the ideal intraoperative course: With the need for any additional moderate treatment or intervention Patient with severe symptoms, potentially life-threatening or potentially leading to permanent disability |
|
Grade IV |
Any deviation from the ideal intraoperative course: With the need for any additional major and urgent treatment or intervention Patient with life-threatening symptoms or leading to permanent disability |
|
Grade V | Any deviation from the ideal intraoperative course with intraoperative death of the patient |
The classification defines iAEs as any deviation from the ideal intraoperative course occurring between skin incision and skin closure. Any event related to surgery and anesthesia during the index surgery must be considered and should be rated directly after surgery.