Maastricht categories

A classification system for non-heart-beating organ donation:

Category I Dead on arrival at the hospital

Category II Unsuccessful resuscitation

Category III Awaiting death by cardiopulmonary criteria

Category IV Death by cardiopulmonary criteria following death by neurological criteria

Categories I, II, and IV are uncontrolled; category III is controlled.


Phentolamine

A medication that dilates blood vessels. It is used in organ donation to increase blood flow to the organs and tissues.

Pumping (kidneys)

A method for preserving kidneys after they have been removed. The kidneys are attached to a pumping device that circulates cold preservative solution through them during storage and transport.



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