Ethics review: Perioperative do-not-resuscitate orders – doing ‘nothing’ when ‘something’ can be done

Cardiopulmonary resuscitation (CPR) has the ability to reverse premature death. It can also prolong terminal illness, increase discomfort and consume enormous resources. Despite the desire to respect patient autonomy, there are many reasons why withholding CPR may be complicated in the perioperative setting. This review outlines these factors in order to offer