HEAL UoS

‘Don’t Blame Me’ – The role and scope of the principle of ‘Double Effect’

In 2012, Death and dying, Key Legal Concepts on July 30, 2012 at 9:00 am

On Friday 13th July, Jonathan Montgomery addressed the 6th international conference on paediatric palliative care in Cardiff at its meeting on Science, meaning and morality: the palliative package?  He was asked to explain the doctrine of ”double effect’. He argued that its general function is to explain why sometimes we may not attribute blame for actions that would normally be wrong but seem acceptable in the specific context. However, it is used both as a technical doctrine and more loosely to capture the idea that sometimes we have to make a ‘tragic choice’ – one that we would prefer not to have to make.

The work that we expect from the principle of ‘double effect’ depends on the general approach that we adopt to ethical judgments and responsibility. For some approaches to ethics, such as Utilitarianism, it may not be necessary to appeal to the idea of ‘double effect’ at all. If the rightness of an action depends on balancing the beneficial and negative effects of one’s actions, then this calculation will explain why it is thought acceptable to do something that may normally be wrong because, overall, the good outweighs the bad in the consequential calculus. However, for those whose approach to ethics is driven by the view that some actions are impermissible because they are intrinsically wrong, then problems are presented by cases in which decisions seem to involve choosing between two intrinsically wrong actions. It is this view that has led to the more precisely defined Doctrine of Double Effect’ , associated with Roman Catholic ethical traditions derived from the work of St Thomas Aquinas. Others who adopt the famous ‘Four Principles’ of autonomy, beneficence, non-maleficence and justice may consider the idea of double effect in the context of determining whether actions have breached the principle of non-maleficence and it is in this context that it is discussed in Beauchamp and Childress’s leading work.

For justifications under the formal ‘doctrine’ of double effect, four conditions are usually required to be met. (1) The act being performed must be ascertained to be ‘good’, or at least neutral, without reliance on the anticipated consequences. (2) You intend only the good effect (using a concept nearer that of ‘motive’ than reasonably foreseeable consequences as the law  usually defines ‘intention’).  (3) The bad effect must not be the means to the good (this may be little more than spelling out a point that some would argue is implicit in (2) if you accept that we must be taken to have intended the means by which we set out to achieve things). (4) The good effect must outweigh the bad one (sometimes explained in terms of ‘proportionality’ or ‘sufficient reason’).
The law in England and Wales does not use this doctrine in any formal sense, but it has used a number of techniques to address the problem. One of these, derived from the decision in R v Adams (1957) is often described as an application of ‘double effect’, although this is not necessarily a helpful short-hand for a ruling that was justified on an overlapping but independent set of grounds (which in turn are slightly muddled and frustratingly implicit). That case suggests that health professionals can give care that may also incidentally shorten life provided that (a) the patient is close to death, (b) it constitutes ‘right and proper care’ and (c) the purpose is to relieve pain rather than to shorten life. These conditions are not easy to defend in the face of established legal principles. The third seems to conflict with the expectation in the criminal law that people must be taken to intend the reasonably foreseeable consequences of their actions so that ‘motive’ is not normally relevant to the definition of a crime, but may be appropriate to questions of sentencing rather than guilt. The second implies that health professionals can place themselves above the law by defining their own criminal liabilities. The first seems to suggest that the fact that someone is already about to die means that they can be murdered with impunity.
This is not the only case in which the law has grappled with the issues to which ‘double effect’ thinking  has been applied. In R v Arthur (1981) a paediatrician had used a drug in the care of a disabled neonate that was said to suppress its appetite. He was prosecuted and the judge invited the jury to consider whether his actions were best described as (a)  ‘a holding operation, in the nature of setting conditions where the child could . . . if it contracted pneumonia . . . or if it revealed any other organic defect die peacefully’ or (b) ‘a positive act…which was likely to kill the child . . . accompanied by an intent on his part that it should as a result of the treatment that he prescribed die’. The former was said to be lawful, but the latter was a crime.  The jury acquitted Dr Arthur.
This approach draws less on the idea of ‘double effect’ than on the distinction between acts and omissions. It implies that allowing someone to die, even if those conditions have been ‘set’ intentionally is categorically different from killing them. However, pushing someone in front of a train may be only ‘setting conditions’ in which they might be run down, but it would still be murder. In any event omitting to save someone’s life when you have a duty to save them can be murder. The question is more about the scope of the duty to act than the supposed qualitative difference between acts and omission. The application of this to health care was discussed in Airedale NHS Trust v Bland (1983).
A further example from the case law concerned the conjoined twins known in the litigation as ‘Jodie’ and ‘Mary’ (reported as Re A). As is often the case in difficult legal decisions, the different judges explored different rationales without clearly indicating which was to be preferred. One strand – the family law analysis – focused on the legal duty to act in the best interests of children whose welfare falls to be overseen by the courts. It was reasonably clear that saving Jodie by surgical separation of the twins was in her best interests as it would be likely to mean her survival. However, to describe the operation as being in Mary’s best interests when she would be not be able to survive was counter-intuitive (although one judge thought it was in her interests to be permitted to die with dignity). On the family law analysis, it is probably best to characterise the decision as the least detrimental alternative, saving at least one life rather than losing both.
There was also discussion of the possibility that the operation could be justified as ‘self-defence’ by Jodie because Mary’s reliance on her was threatening her life. However, it is unclear that this could really apply to the actions of the surgeon. Perhaps the stronger legal analysis lies in the application of the defence of ‘necessity’, where there was (a) a need to act to avoid irreparable harm, (b) the defendant did no more than was necessary to avoid it, and (c) the evil inflicted was not disproportionate to the evil avoided. This doctrine of necessity is wider that the doctrine of double effect, but it has a more robust pedigree in English and Welsh law.
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  1. […] on 16 August 2012. The court rejected the suggestions either  (a) that there was a common law defence of necessity that protected those who carried out voluntary euthanasia and or (b) that further clarifications […]

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