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Role of brain death and the dead-donor rule in the ethics of organ transplantation

 

作者: Robert Truog,   Walter Robinson,  

 

期刊: Critical Care Medicine  (OVID Available online 2003)
卷期: Volume 31, issue 9  

页码: 2391-2396

 

ISSN:0090-3493

 

年代: 2003

 

出版商: OVID

 

关键词: brain death;transplantation;organ procurement;medical ethics;persistent vegetative state;anencephaly

 

数据来源: OVID

 

摘要:

The “dead-donor rule” requires patients to be declared dead before the removal of life-sustaining organs for transplantation. The concept of brain death was developed, in part, to allow patients with devastating neurologic injury to be declared dead before the occurrence of cardiopulmonary arrest. Brain death is essential to current practices of organ retrieval because it legitimates organ removal from bodies that continue to have circulation and respiration, thereby avoiding ischemic injury to the organs. The concept of brain death has long been recognized, however, to be plagued with serious inconsistencies and contradictions. Indeed, the concept fails to correspond to any coherent biological or philosophical understanding of death. We review the evidence and arguments that expose these problems and present an alternative ethical framework to guide the procurement of transplantable organs. This alternative is based not on brain death and the dead-donor rule, but on the ethical principles of nonmaleficence (the duty not to harm, orprimum non nocere) and respect for persons. We propose that individuals who desire to donate their organs and who are either neurologically devastated or imminently dying should be allowed to donate their organs, without first being declared dead. Advantages of this approach are that (unlike the dead-donor rule) it focuses on the most salient ethical issues at stake, and (unlike the concept of brain death) it avoids conceptual confusion and inconsistencies. Finally, we point out parallel developments, both domestically and abroad, that reflect both implicit and explicit support for our proposal.

 

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