introduction to principles of bioethics
TRANSCRIPT
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Principles of Biomedical Ethics
Prof. Pierre Mallia
MD MPhil MA(law) PhD MRCP FRCGP
Coordinator, Bioethics Research Programme
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Principles of Bioethics
We distinguish between what is legal and what is morally correct
We often use interchangeably terms like ethical and moral
types of ethical theory: utilitarian deontological
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The Four Principles
Principle of respect for Autonomy Principle of Beneficence Principle of Nonmaleficence Principle of Justice
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Difference between principles and rules
Rules are more binding Principles are ‘mid-level’ or prima facie Rules:
1. Rules of veracity 2. Rules of Privacy 3. Rules of Confidentiality 4. Rules of Fidelity
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AUTONOMY
‘auto’ = self ‘nomos’ - rule hence ‘self rule’ The autonomous person acts in accordance with
a freely self-chosen and informed plan A person of diminished autonomy is in a least
some respects controlled by others or incapable of acting on his or her plans
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Autonomous persons and autonomous choices
An autonomous peson who signs a consent form without reading or understanding the form is qualified to give informed consent but has nevertheless failed to do so because of a failure to act autonomously
The converse is also true legally in case of young adults
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Conditions for autonomy
Intentionality with understanding without controlling influences
An autonomous person can voluntarily choose to act under the influence of an authority (eg a Church)
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Respect for Autonomy
To recognize a person’s capacities to act autonomously
Treating them so as to allow them to act autonomously.
Includes therefore true respect and not merely an adoption of a certain attitude
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Informed Consent
Disclosure of information Understanding Voluntariness Competence Consent
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Disclosure
Disclosure of information is not enough Needs a complete sense of ‘what a
reasonable person would want to know’ This is a moral obligation, not merely a
legal condition.
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Nondisclosure: Therapeutic privilege Placebos research (eg learning experiments)
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Competence
Both physical and mental conditions may render a person incompetent
Competence may be only a range of decision making capabilities eg a peson who is incompetence to drive may
still be competent to take medical decisions in one case a physician argued his patient
was incompetent because she was epileptic - he lost!
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Incompetence: inability to evidence a preference or choice inability to understand one’ situation inability to understand disclosed information inability for rational reasoning inability to assess risk/benefit ratio note that a person is still incompetent to make
a choice until he/she has received information
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Voluntariness
A voluntary choice must occer independently of coercive or manipulative forces Types of influence
Coersion Manipulation Persuasion
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Understanding
Ensuring understanding: ask questions elicit concerns and interests establish climate that encourages patient to
talk and ask questions all above may be more important in
understanding than a whole corpus of information
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Understanding, (cont.)
Conditions which can block understanding: Anxiety/nervousness illness (eg high fever; pain) irrationality (eg psychotic attack) immaturity (eg children) dementia emergencies
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Is there adequate understanding (eg a fourteen year old wishing to donate a kidney)
Understanding risk or outcomes (consenting to a prostatectomy does not mean consenting to the possibility of sterilization)
There is also the right not to know
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Principle of Beneficence
This is the basic assumption in health care Dilemmas: eg Case of Cracow physician Conflict amongst physicians (eg in organ
transplantation) Has been equated with ‘Paternalism’
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Beneficence also consists of balancing risks and benefits: cost effectiveness risk analysis uncertainty of certain treatments distributive justice
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Principle of Nonmaleficence
Primum non nocere One ought:
not to inflict harm to prevent harm to remove harm to promote good
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Negligence
Negligence is a departure from the standard of due care
not only deliberately imposed risks but also carelessly imposed risks can also mean omitting process of
informed consent
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Conditions for negligence
The professional must have a duty to the affected party
the professional must breach that duty the affected party must experience a harm this harm must be caused by the breach of
duty
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Harm versus injury
Injury may refer to harm, disability, or death on the one hand or to injustice or ‘wrong’ on the other
Harm is the thwartng, defeating or setting back of the interests of one party by the invasive actions of another party
harm need not involve injury
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It is possible to violate principle of nonmaleficence by not acting maliciously or without intending the harm or risk. Such violations may involve omission as well as commission
Those who do no CME or CPD may be liable to violation of nonmaleficence
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Principle of Double Effect
An act of killing is in itself wrong. A wrong act may be allowed if it is not
intended in order to bring about a good intention
The good effect is seen as direct and intended whilst the bad effect is merely foreseen but indirect and not intended
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Conditions for Double Effect
1. The action must not be intrinsically wrong
2. The agent must intend only the good 3. The bad effect must not be the means
of bringing about the good effect 4. The good must outweigh the bad
(proportionality)
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Problem with double effect
All four rules have virtually been criticized eg a craniotomy, although direct does not
intend the death of the baby nevertheless it is necessary in order to
prevent abuse of causing a harm to achieve a good
it is the moral agent which counts
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Killing and letting die
There is a difference between killing and letting die.
Discontinuation of treatment is not mercy killing. Allowing to die is sometimes considered passive
euthanasia therefore courts may find certain omissions
criminal if a duty is seen to have been breached
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Ordinary and Extraordinary Treatment
There is therefore a distinction between ordinary treatment and extraordinary treatment
one need not give extraordinary treatment, especially where there are Advance Directives. Eg a DNR order
when does ordinary because extraordinary (eg gastrostomy in persistent vegetative states)
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Principle of Justice
Allocation of health care resources Avoiding a harm elsewhere (not giving an
antibiotic) obligation of fidelity to a relationship -
acting as patient advocate
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John Rawls: equality and fairness
To each person according to need effort contribution merit free-market exchage
equal share
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Quality of life arguments
Paraplegics selective non-treatment of congenitally
malformed newborns abortion and emergency contraception euthanasia
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Decision by proxy
Best interests principles Advance Directives family members are presumptive proxies
for children, parents. Siblings.
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Theories of Justice
Utilitarian Libertarian Egalitarian
Fair opportunity right to decent minimum of health care problem of insurance systems
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Priorities of allocation
Financial kind - eg organ donation necessity rationing
standards and protocols screening medical utility and social utility (eg selecting
transplant patients)
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Problems with principles
Conflict amongst principles do not help on moral problem solving looked upon as theory and not framework
for thinking and deliberating highly criticized