Reading Time: 8 minutesCaring for our elderly and terminally ill is expensive. But it is also a non-negotiable, fundamental duty of government.
It can be unethical to withdraw artificial hydration and nutrition and doing so can constitute a form of euthanasia that is, when its withdrawn with a primary intention to cause death. But withdrawal is not always unethical. Just as there are situations where it is justified to turn off a ventilator, so too there can be situations where it is justified to withdraw artificial hydration and nutrition.
Australias ABC networkrecently reported a storyof an elderly South Australian woman with dementia and breast cancer, who was not mentally competent and was being given hydration and nutrition through a nasogastric tube.
The tube fell out and the Public Advocate, who was the legal guardian of the patient and decision maker for her, determined that it should not be replaced. The reasons given included that the tube was burdensome, that it was prolonging suffering, and that replacing it would be contrary to the presumed wishes of the patient which is to say, if she were able to decide for herself, she would refuse replacement.
Two of the patients daughters, a Catholic bishop and the patients Catholic priest all disagreed with the Public Advocates decision and sought to change it. The daughters argued that the patient would want to live as long as possible and that replacing the tube was consistent with her Catholic faith.
The tube was not replaced, and the patient died five weeks later.
Now, despite being a truism, a very important principle in applied ethics is that good facts are essential for good ethics. The story as reported does not provide sufficient facts to judge whether or not the cessation of artificial feeding by means of a nasogastric tube was an ethically acceptable decision.
Its worth noting that hydration wasnotwithdrawn, but was delivered by intravenous line. So a pertinent question is: what justification was there for withdrawing nutrition, but not hydration? Either both hydration and nutrition were ethically appropriate life-prolonging treatment, or neither were.
One reason for the different approach to hydration as compared with nutrition could be that delivering total parenteral nutrition is a far more invasive procedure and more burdensome for the patient than, as occurred in this case, delivering hydration by way of an intravenous drip. The hydration might also have been continued as comfort care rather than life-prolonging treatment.
I was once consulted on a comparable case.
A young woman, who was diabetic and on haemodialysis for kidney failure, had a sudden cardiac arrest. She was revived and placed on a ventilator, but several days later, when she was due for dialysis, was diagnosed as being in a deep and irreversible coma.
Her parents decided that she should not receive dialysis, but they did not want the ventilator to be removed. We complied with their wishes in order to avoid further sufferingto them, not because we believed it was necessary treatment for the young woman. We explained in the case notes that was the reason the ventilator was continued. The young woman died a natural death from renal failure, at which time the ventilator was stopped.
What often causes great emotional trauma for a patients family, as was true in the South Australian case, is the thought of starving and dehydrating the patient to death in withdrawing artificial hydration and nutrition. There is, however, research that shows the hunger and thirst mechanisms in our brains shut down when we are dying.
The reflections of the Catholic Church on medical ethics are a frequently used reference point for bioethicists around the world. Even if they reject them, bioethicists respond to its concerns. This is especially true in a case such as the one we are considering, in which the patient and her carers are of that faith.
The Catholic Church teaches that food and fluids must always be offered and supplied if the person can take these orally. Pope John Paul II (now Saint Pope John Paul II) declared in a 2004 address that the same requirement of mandatory provision applies to artificial hydration and nutrition for people in a permanent vegetative state that is, hydration and nutrition not taken orally but delivered by other means.
With great respect, I believe that this statement needs to be nuanced. In that particular document its clear that the Pope wanted to protect vulnerable patients receiving artificial hydration and nutrition who are in a stable medical condition.
There are thousands of such patients in nursing homes and they have a right to humane basic care, as the Pope says. But the Pope might not have been thinking of the acceptability of withdrawal of artificial hydration and nutrition fromallpatients in a permanent vegetative state.
One problem is that if we apply this criterion to all such patients, it actually supports the euthanasia movement, as I shall explain below. But let me first attempt to make some distinctions that could help us to decide when withdrawal of artificial hydration and nutrition is ethical and when it is not.
It depends, first, on how we classify artificial hydration and nutrition: as simply food and water, or as medical treatment for a failed alimentary system (just as a ventilator is medical treatment for a failed respiratory system). If its just food and water and basic care, then ethically itmustbe provided. If it is medical treatment, that is not always the case.
I propose that, just as there are situations where it is justified to turn off a ventilator, so too there can be situations where it is justified to withdraw artificial hydration and nutrition. Both are forms of medical life-support treatment. And what if, for instance, a PEG feeding tube is painful or has become infected? What should doctors do then?
One distinction that is sometimes made in order to determine whether a given medical treatment must be offered is whether the intervention is ordinary or extraordinary medical treatment. The Catholic moral teaching is that the former must be provided, whereas the latter need not be.
Bishop Gregory OKellyis quotedas saying in his letter to the Office of the Public Advocate that, To deny food or drink, no matter how it is delivered, to such a person is to deny themordinary[emphasis added] means for sustaining life.
But this distinction betweenordinaryandextraordinarymedical treatment is not always clear cut. It can be that the patients quality of life is being judged and not the treatment. When a patient is in very fragile health in ICU, a certain treatment can be judged as extraordinary; but when the patient improves and is living in a nursing home, thesame treatmentfor the same personcan be characterised as ordinary.
In short, circumstances need to be taken into account. Moreover, whether a treatment is judged ordinary or extraordinary can be a very subjective and discretionary decision, which can leave it open to abuse.
Justifications for withdrawing life support treatment include that withdrawal is required to respect a patients right to refuse medical treatment, including through an advance directive that is, withdrawing treatment is required in order to respect a patients rights to inviolability (the right not to be touched without ones informed consent) and competent patients rights to autonomy.
Artificial hydration and nutrition would not be forcibly imposed on such a patient. Justifications also include: that the treatment is medically futile; that the burdens of continuing treatment outweigh any benefits; and that the treatment is prolonging dying, not living.
The Public Advocatedescribed the patient in questionas pre-terminal, which might or might not mean that she was dying, although her daughters denied that she was. With respect to the burden of the nasogastric tube, they are admittedly very uncomfortable, but its at least an open question whether the suffering involved for the patient could have justified not replacing it. Further questions include how the tube fell out (did the patient pull it out?) and whether, if the tube had not fallen out, its removal would have been justified?
To repeat, these decisions about providing or withdrawing artificial hydration and nutrition can be very difficult ones in relation to determining the right ethical path to take. Every case (and person) is different; assessments must be made on that basis and, importantly, in the light of all the relevant facts.
As I said, advocates of legalising euthanasia use cases such as the one describedin the ABC reportto promote their cause. They argue that withholding artificial hydration and nutritionis euthanasia often called slow euthanasia or passive euthanasia; therefore, we are already practising euthanasia and, if we are to be consistent, should recognise the legal right to do so by means of lethal injection.
Consequently, people who oppose the withdrawal of artificial hydration and nutrition when this withdrawal could be justified, and object to such a withdrawal on the grounds that it would be euthanasia, sadly help the pro-euthanasia cause.
Moreover, when members of the public think euthanasia isanyfailure to useallpossible means to prolong life and believe thatallrefusals of medical treatment that could prolong life are euthanasia, they respond positively to survey questions that ask, Do you agree with legalising euthanasia? because they want to have the right to refuse treatment. The publics responses are even more compromised when asked, If someone is in terrible pain and suffering should they be able to consent to euthanasia?
The option of saying yes to fully adequate pain and suffering management and no to euthanasia adopting a position that we must kill the pain and suffering, but not the personwiththe pain and suffering is often not possible in surveys. They tend to pose conjunctive questions (rather than two disjunctive ones)that is, do you agree with fully adequate pain and suffering managementandas a separate question, do you agree with euthanasia?.
It bears always keeping clearly in mind when discussing withdrawal of artificial hydration and nutrition that it can be employed unethically, when it does become a form of euthanasia that is, when its used with a primary intention to cause death.
This is most likely to occur when it is paired with an unwarranted use of palliative sedation, where the patient is unjustifiably deeply sedated until they die. Such a use is better called terminal sedation to differentiate it from the ethical use of palliative sedation, that is, when sedation is necessary and used appropriately to relieve a patients pain and suffering and not to hasten their death.
Margaret Somervilleis Professor of Bioethics in theSchool of Medicine and the Institute for Society and Ethics at the University of Notre Dame Australia.
This article was originally published at Mercatornet.com.
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