Table 1.

The Modified Maastricht Classification of DCD [22]

Category		Definition
I Uncontrolled	Found dead IA. Out-of-hospital IB. In-hospital	Sudden unexpected circulatory arrest without any attempt of resuscitation by a medical team
II Uncontrolled	Witnessed cardiac arrest IIA. Out-of-hospital IIB. In-hospital	Sudden unexpected irreversible circulatory arrest with unsuccessful resuscitation by a medical team
III Controlled	Withdrawal of life sustaining therapy	Planned withdrawal of life-sustaining therapy; expected circulatory arrest
IV Uncontrolled/controlled	Circulatory arrest after neurological determination of death	Sudden circulatory arrest after neurological determination of death diagnosis during donor management but prior to planned organ recovery