THEO 353 - Notes
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THEO 353 – Notes
Lesson 1 – Ethics, Bioethics, and Theology: Exploring the Basics
What is Ethics?
-
Socrates asked practical questions o
What ought one do?
-
Ethical deliberations
o
Basic questions
o
How to act
-
Ethics: a definition
o
Knowing and doing the good
o
The fundamental question of ethics:
What is the right way for us to live?
o
Ethics is a dynamic activity
o
Important distinction between morality and ethics
Ethics and Morality
-
Two components that promote “doing well” in what we undertake:
o
1. Having a clear understanding of the goal of our actions
Ethics has to do with the aim of our actions
o
2. Knowing what rules to follow in order to attain that goal
Morality has to do with the norms inscribed in that aim -
Distinction between ethics and morality
o
Moral norms evolve from within the ethical aim
o
Complementary relationship between the two
o
Moral norms must always be kept subordinate to the ethical aim
o
Ethical deliberation
Not about following rules
Thoughtful and careful reflection
-
Enlarging the notion of ethics
o
Ethics of compliance
Complying to rules and regulations
i.e., obeying the speed, rule to follow to not get a ticket
o
Ethics of achievement
Creating possibilities
i.e., why do we have speed limits, the goal is not to restrict drivers, it is
to enhance the good of drivers
-
The tripartite structure of ethics
o
1. Involves the person or the individual who seeks what is good for themselves
o
2. Others who are affected by our actions or who play a role in allowing us to obtain what we consider ‘good’
o
3. Social structures or institutions that ensure the ‘good’ is possible not only for individuals but for all citizens -
Ethics as heuristic
o
Heuristic, from ancient Greek, meaning ‘to find’
o
From concrete experience → guided by moral norms (principles, rules, laws, etc.) → to a decision about what to do
Guided by normal norms = morality
-
Notion of moral horizon
o
Physical horizon
The limit or boundary of your world
o
Moral horizon
What is important to you
Largely inherited
Contains mistakes
Can expand with experience
What is Bioethics?
-
Bioethics
o
A branch of ethics that investigates problems arising from healthcare, medicine, the biological sciences, and related technology
o
Both an academic discipline and professional practice
o
A dialogue involving a multitude of voices
o
Tool that facilitates thinking about how best to make decisions in the context of medicine and the life sciences (biology, biochemistry, biotechnology)
o
A subfield of the broader field of ethics
o
The prefix “bio” focuses one on the life sciences in exploring the “good”
o
Asks questions about values operative in medical and biological practice
o
Addresses ethical issues that emerge in settings such as clinical practice, medical and biological research, resource allocation, and biomedical technology
o
Seeks to understand how these issues impact or might impact society
-
What is clinical ethics?
o
Bioethics in a clinical setting
Bioethics moves into wards in hospitals and into clinics
o
The systematic, critical, reasoned evaluation and justification of right and wrong, good, and evil in clinical practice
o
The study of the kinds of persons healthcare professions ought or ought not to become
Clinical Ethics
-
Encounter between healthcare professional and patient (and family)
-
Wider than “medical ethics”, concerns the ethics of: nurses, physicians’, assistants, dentists, psychologists, other healthcare practitioners -
Activities of clinical ethics
o
Ethics consultations
o
Education
o
Policy development and review
o
Research ethics and ethics research
-
Ethical questions in the bioethical/clinical setting
o
Should we get consent for a “no CPR” order?
o
When should you report a colleague’s error?
o
Should we hide medication in a patient’s food?
o
When should you follow the advance directive of a patient with anorexia?
o
Should those who can pay be able to jump the cue?
o
Is the institution undermining the values of its staff?
o
Is the research done in a clinical setting respecting the dignity of the research subject?
o
Should our healthcare system offer genetic testing for late-onset diseases that cannot be treated?
o
Should our society promote physician assisted death?
o
Is it part of a physician’s duty to kill his/her patient?
o
Should government provide funds on human enhancement therapy?
Historical Background to Bioethics
-
Problem or a dilemma always underlies ethical questions
-
Emergence of discipline in the 1960’s
-
Born from challenges posed by scientific and technological breakthroughs and “loss” of traditional authority
-
Bioethics emerged out of this authority vacuum
-
Cases that caused ethical concern and research in medicine:
o
‘The decide who lives, who dies’
In 1962, first dialysis machines were introduced in the US. 1 out of 50 were chosen to go on the dialysis machine. The criteria involved age, gender, marital status, number of dependents, income, net worth, emotional stability, educational background, occupation, past performance and future potential, references
Biases in the criteria
o
Henry Beecher, “ethics and clinical research”
Wrote about 50 examples of ethics within clinical research using human subjects
o
First human heart transplant, 1967
Dr. Barnard removed a heart of a 25-year-old woman and placed it into
a 55-year-old man
Questions emerged about the criteria used to pronounce the death of donors, as there was none yet to decide the death of beating heart donors
-
Prominent Canadian cases
o
1980 decision in Reibl v. Hughes
Moved the standard of patient consent, what would the reasonable patient need to know in order to make a decision
o
The Matter of Stephen Dawson 1983
Ethical significance of accurate medical information in life and death decisions, and the ethics of proxy decision making
o
The 1986 Case of Eve
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Contraceptive sterilization for some mentally disabled persons
o
Nancy B. 1992
Woman unable to breathe without a respirator, she requested her ventilator be withdrawn
Unable to do it herself, someone else had to physically do it
The court granted her injunction to stop the treatment and requested that the hospital provide the physician with the necessary assistant to carry out her request
-
Bioethics includes theology, philosophy, biology, law, medicine
o
Multidisciplinary field carried out through interdisciplinary discourse
-
“Discoveries and application began to outpace our ability to reflect on them, and everyone was reeling from the biological revolution” – Shannon & Kockler
Dialectic Between Potential and Concern
-
Each application/breakthrough in science inevitably raises as many problems as it solves
-
Human Genome Project
o
April 14, 2003
o
The international human genome sequencing consortium announces the successful completion of the human genome project
-
Stem cell research
o
Does the human person exist from fertilization?
o
Is it ethical to use embryos left over from IVF procedures?
-
Nanotechnology
o
Nanoscience and nanotechnology are the study and application of extremely small things and can be used across all the other science fields, such as chemistry, biology, physics, materials science, and engineering
o
25,400,000 nanometers in an inch
o
A sheet of newspaper is about 100,00 nanometers thick
o
Scientists’ manipulation and control of individual atoms and molecules
o
Nanotech may impact our privacy (nano surveillance, etc.)
What Does Theology Have to Do with Bioethics?
-
Religion emerges out of a response to a profound experience of encounter
-
Moves us to ask questions about ultimate value and meaning
o
Death of a loved one
o
Serious illness
o
Birth of a child
-
Pursuit of ultimate concern
-
Issues theology might raise in bioethics
o
Human dignity
o
Questions about the meaning of suffering
o
Biological determinism and the problem of freedom
o
What it means to be human
o
Common good
-
Theological questions
o
In reflecting on how we structured our societies and our global order, how might we consider these social structures from a perspective that transcends self-interest and even the interest of a particular social order?
o
How do we transcend our biases to evaluate societal and global social structures and to discern whether, in the long term, they are promoting progress or decline? How is this impacting both individuals and society?
o
How do we promote this level of analysis in a global order that shapes our understanding of what it means to be human and what our responsibility is toward others? Week 2 – Methodology
Methodology
-
Different ethical theories
o
Understand the questions and context from which each theory emerged
o
Strengths and weakness of each
-
Method that underlies each theory
o
Offers a foundation for ethical deliberations
Dynamic activity of ethical deliberation
-
Ethical theories
o
Purpose:
Help us understand how we ought to treat each other
What is important to consider when trying to decide what we ought to do
How we justify the decisions we make
o
Learn how ethical theories influence decision-making
o
We have all encountered ethical theories either explicitly or indirectly in our lives and our work
o
Diversity of ethical theories can create confusion and disagreement in ethical deliberation
o
Ethical theories can shed light on ethical problems and help us discover what we ought to do
o
Keep in mind the following questions:
“What am I doing when I am doing ethics?”
Virtue-Based Ethics
-
Aristotle o
Student of Plato
o
Introduced a method for scientific investigation
o
Key work on ethics:
Nicomachean Ethics
o
Aristotle’s approach to ethics is teleological
Result of an action
o
Telos: Greek word meaning end or goal
o
What is a good life?
Aristotle believes it is to reach happiness (eudaimonia) o
Human flourishing → Acting virtuously
o
Virtue requires practice and commitment
o
Ethical action involves discerning and promoting the proper ends or goals
How things “work”
Discerning their inner structure
Observing their own path of development
Acting to promote their flourishing
In virtue-based ethics, acting ethically requires:
Interiorizing good values
Learning good habits
Developing good character
Cultivating virtues
o
For Aristotle, virtue means:
A cultivated habit
A formation of character
A type of habitual dedication that enables us and directs us
To be attentive to the good
To care for it
To understand it
To act in an informed and responsible way
-
The golden mean
o
Middle way between extremes of excess and defiency
o
Aristotle, virtue is not associated with momentary passion, rather states of chatacter finding expression in purpose and action
o
Virtue is deliberate and involved appropriate emotional responses
o
The intermediate depends on the situation, not an exact science
o
Lack of virtue = Cowardice, stinginess
o
Virtue = Courage, generosity
o
Excess virtue = Recklessness, lavishness
-
What should I do? o
Virtue ethics refers to one’s character o
What promotes the development of virtue throughout a person’s life
o
Strengths:
Insistence on careful reflection
Balanced outcome
Recognize the limitations of human acting
Promotes development of virtue throughout person’s life
-
Limitations
o
Strangers must rely on rules and obligations, not character evaluation
o
Evaluating one’s character seems trivial when faced with immediate, challenging decisions
o
Insufficiency of virtue – good people with good intentions can perform wrong actions
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Rights-Based Ethics
-
John Locke (1632-1704) & Jean-Jacques Rousseau (1712-1778)
-
Response to unjust class structures and authoritarian rule
-
Rights are understood to be ‘natural rights’ of all human beings
-
Allow everybody full liberty and full participation in society
-
Paved the way to American Revolution and French Revolution
-
The Universal Declaration of Human Rights
-
The rights-based ethics of John Locke
o
Highest faculty is reason
Natural rights to use it to determine how we will live
o
Use reason to establish and live according to social contracts
o
Social contracts allow us to:
Design own customs, rules, traditions, social structures
o
Agreement to hand-over some natural rights to the state to guarantee liberty against intrusion by others
o
What should I do?
What are my rights?
In bioethics there is a correlation between rights and human dignity
o
Human dignity based on right to live as we choose as long as it does not interfere with others
o
Limitations
Can lead to:
Extreme individualism
Focus on individual at expense of community
Adversarial nature of rights
-
The two spheres of rights-based ethics
o
The public
Rights prevail
Obligation is to avoid infringing the rights of others
Enforced by courts of law
o
The private
Goal of rights in public realm ensures maximal liberty for our own personal ethical and religious convictions
Duty-Based Ethics
-
Immanuel Kant (1724-1804)
-
Concerned with “the search for a single supreme principle of morality”
-
Non-religious ground for duty
o
Duty-centered ethics
-
Duty comes from rational capacity
-
Cornerstone to morality is freedom
o
We are free
o
We have free will to choose how to act
o
We are accountable and responsible for our actions
-
Sources of duties and obligations is human reason
o
Capacity to reason “commands” us to act in responsible manner
-
Deontological ethics
o
Deon: Greek work for duty or law
-
Ethics is understood as:
o
Personal duty
o
Obligation
o
Individual conviction
o
Rational decision-making
-
Rooted in the private realm
-
Identified with inner, individual life of:
o
Personal conviction
o
Rational autonomy
-
Kant’s two categorical imperatives
o
Our duty is to act according to principles that must be applicable to all
o
Principle of universality
“Act only in accordance with that maxim through which you can at the
same time will that it become a universal law”
Intention of action, not consequence
Concern is with what our will is intending
Consistency of will
Consistent = rational
Rationality is the origin of morality
“There is nothing it is possible to think of anywhere in the world, or indeed anything at all outside of it, that can be held to be good without limitation, excepting only a good will” – Immanuel Kant
o
Principle of autonomy
Respect of others
“Never act in such a way as to treat humanity, whether in ourselves or in others, as a means only but always as an end in itself”
Dignity is grounded in autonomy
-
Deontological ethics
o
What should I do?
Consider the problem in light of the prior, fixed (rational) criteria
Is the something that everyone should be allowed to do in every case?
The good is what can be universally applied
Dignity of the person is paramount
o
Limitations
Conflicting obligating
Overemphasis on law, under emphasis on relationships
Contradiction between will and actions, not black and white
Abstract and impractical
Sometimes the best intentions can lead to the worst outcomes
Consequence-Based Ethics
-
John Stuart Mill (1806-1873)
-
Utilitarian ethics or theological ethics
-
Humans naturally tend to pursue personal happiness
o
However, social life requires common action
-
Obligation:
o
Pursue the greatest good for the greatest number
-
Utilitarian ethics
o
Utilitarian ethics judges the moral worth of actions in terms of the consequences of those actions
Point of reference – consequence of an action
If the consequence of an action is the source drawn on to make a decision at an individual level, the criterion is happiness
If the end result promotes happiness, then it is good
The ethical act is what brings about happiness
Ethics has to do with personal preference
o
“He is clueless about what is happening in the country, but he is much happier since he stopped watching the news”
o
Utilitarianism is an expression of personal preference
Individual action is right if it increases happiness more than unhappiness
o
Cost-benefit analysis
What will it cost?
What is the benefit?
Does the benefit outweigh the cost?
o
What should I do?
What is wanted?
What most satisfies one’s desire?
How efficiently can I get it?
The good is what maximizes the satisfaction of personal desire or social goals
o
Limitations
Who determines the good?
How is the good decided?
Majority interests outweigh minority – tends to exclude most vulnerable
Sometimes horrible actions can lead to positive results
For example, does murdering a brutal dictator justify murder?
Care-Based Ethics
-
Carol Gilligan (b. 1936) & Nel Noddings (b.1929)
-
Most contemporary ethical tradition
-
Feminist thinkers
o
Focused on female ways of moral knowing -
Women operate out of a different set of values
-
Relationship-based reasoning
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-
Challenge abstract forms of reasoning
-
Communitarian in nature
-
Allows for uniqueness of individuals
-
Focus on responsiveness in an interconnected network of need, care, and prevention harm
-
Focus on feelings or moral sentiment
-
Sees caring as the ethical ideal
-
Need to focus attention on the concrete needs of those close to us
-
No core principles
-
Gilligan states:
o
“A progressively more adequate understanding of the psychology of human relationships […] informs the development of an ethic care. This ethic, which reflects a cumulative knowledge of human relationships, revolves around a central insight, that self and other are interdependent”
-
‘Mothering is not a role, but a relationship’
o
Caring simply because of duty has an impersonal dimension
o
Acting out of duty is different than acting out of love and care
o
Christian ethics, which promotes universal love, is rejected by care-based ethics
How can we possibly care for all human beings?
Universal ethic is seen as just another abstraction
-
What should I do?
o
Must focus on the concrete needs of those we love and care for
-
Limitations
o
Ethics needs to:
Go beyond the face-to-face encounter to involve appeals to justice
Complement moral sentiment with reason
Week 3 – Assisted Reproductive Technology
Introduction
-
On July 25, 1978, a child was born in England
o
This birth signified an important advance in science
o
First successful birth resulting from the fertilization of an embryo outside the body of the mother
In vitro fertilization (IVF)
o
Louise became known as the world’s first “test tube” baby
o
She was conceived in a petri dish, not a test tube
What is Assistive Reproductive Technology?
-
Human reproduction is a highly effective process that usually occurs within the bodies
of the male and female partners, without intervention from third parties
-
> 70 million couples worldwide suffer from infertility
-
Assisted reproductive technology (ART)
o
Activities that are used to aid human reproduction o
Goal: help a couple “have their own child”
-
Assisted Human Reproduction (AHR):
o
Covers a broader spectrum of assisted reproduction
-
Drugs that are prescribed to aid fertility -
In vitro fertilization
o
The first successful ART to help couples have their own child
o
One or mature eggs are removed from one of the ovaries of the woman
o
One of the eggs is combined in a petri dish with her male partner or a donor’s sperm to form an embryo o
The embryo is implanted into the woman’s uterus
o
In the past, IVF treatment tended to be a medical service mostly taken up by people in developed nations o
More people in developing nations are seeking treatment
o
Difficult to identify exact figures because records are not well kept
o
Stigma around being childless is more pronounced in some developing countries
-
Donor insemination Various Methods to Increase Chances of Reproduction
-
Manipulation of a woman’s menstrual cycle
o
Ovulation induction may be used by women who are not ovulating regularly or at all
o
Involves taking a hormone medication which stimulates production of follicle-
stimulating hormone o
Prepares a woman’s reproductive system for pregnancy
o
Clinicians can identify when the follicles are large enough to administer another hormone which releases the egg o
Chance of conception at this time is greatly increased if a couple has intercourse
-
Manipulation of the eggs, sperm, and embryos outside the body
o
IVF is used in a range of circumstances to assist with conception, but is most often the only means of achieving pregnancy for a woman whose fallopian tubes are blocked
If multiple embryos develop, they can be frozen for later use
o
During the preparation phase involved in IVF, is it possible, through preimplantation genetic diagnosis or PGD to:
Test for disease-related genes or chromosomal abnormalities
Identify gender of the embryo
Reduce the risk or avoid transmission of a genetic disease when:
A couple themselves have a genetic disease
There is a family history of a genetic disease that can be passed
on
o
The issue of gender selection may occur to reduce:
Risk of transmission of a genetic disorder linked to an X chromosome
i.e., muscular dystrophy
A condition that occurs more frequently in one gender
In these scenarios, embryos are chosen based on the wishes of the parents
o
Somatic cell nuclear transfer cloning (SCNT)
Highly controversial and experimental procedure that is not yet used as
ART
Could eventually be used to assist infertile couples
SCNT refers to:
Transfers of the nucleus of a somatic cell (non-germ cell or non-reproductive cell) into an egg from which the nucleus has been removed (the nucleus or genetic material from a human cell is inserted into a denucleated human egg)
Consists of transferring nuclei from a person’s somatic cell into donated human or even animal unfertilized eggs from which the nuclei have been removed
These reconstructed eggs could be stimulated with electricity to develop into a embryo and be implanted into a woman’s uterus producing a cloned individual
The first cloned animal occurred in 1997
-
Methods aimed at migration of gametes or embryos into a woman’s body
o
Artificial insemination
Insertion of a male partner’s semen through the female’s cervix and into the uterus at or just before the time of ovulation
This process can also use a donor’s semen (anonymous or not)
o
GIFT (gamete intrafallopian transfer):
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Rather than fertilization of the oocytes (immature egg cell, found in the
ovaries – an ovum is a mature oocyte), sperm are inserted into a woman’s fallopian where the egg and sperm are left to fertilize naturally o
Zygote intrafallopian transfer or tubal embryo transfer
Preimplantation where the embryo descends into the woman’s uterus and implants itself into the uterine wall
This is a bit closer to a “natural” process -
Gestational surrogacy
o
Surrogacy
Latin surrogatus (surrogare/subrogare)
“put in another place, substitute) o
Gestational surrogacy
Woman carrying to term the pregnancy of another woman’s embryo
There are different configurations of this process
o
Gestational surrogacy with intended embryo (GS/IE)
A surrogate is implanted with an embryo created by IVF, using intended father’s sperm and intended mother’s egg
The resulting child is:
Genetically related to the intended father and mother
Genetically unrelated to the surrogate
o
Gestational surrogacy and egg donation (GS/ED)
A surrogate is implanted with an embryo created by IVF, using intended father’s sperm and a donor egg
The resulting child is:
Genetically related to intended father
Genetically unrelated to the surrogate o
Gestational surrogacy and donor sperm (GS/DS)
A surrogate is implanted with an embryo created by IVF, using intended mother’s egg and donor sperm
The resulting child is:
Genetically related to intended mother
Genetically unrelated to the surrogate o
Gestational surrogacy and donor embryo (GS/DE)
A donor embryo (resulting from a donor sperm and a donor egg) is implanted in a surrogate
Embryo available when others undergoing IVF have embryos left over, which they opt to donate to others
The resulting child is:
Genetically unrelated to the intended parents
Genetically unrelated to the surrogate
Why Do People Seek Reproductive Technologies?
-
Infertility
o
Not being able to get pregnant despite having frequent, unprotected sex for at least a year – or for at least six months if the woman is age 35 or older
o
Infertility may be due to:
A single cause in either the woman or her partner
A combination of factors
o
Biological drive to reproduce
The desire to have a child genetically related to oneself is enormously strong
Do people have a right to reproduce?
Is the drive to reproduce instinct or culturally conditioned?
There are many people who do not have children and do not experience their lives as impoverished
What drives us to think we need to have children genetically related to us?
What Does it Mean to Be a Parent?
-
New ways to become a parent
o
For a woman
1. The genetic, who is the source of the egg
2. The gestational, who carries the pregnancy
3. The nurturing who raises the child
4. The genetic-gestational, who is the source of the egg and carries the pregnancy but does not raise the child
5. The genetic-nurturing, who is the source of the egg and raises the child but does not provide the egg
The gestational-nurturing, who carries the pregnancy and raises the child but does not provide the egg
The whole mother, who is the source of the egg, carries the pregnancy, and raises the child
o
For a man
1. The genetic, who is the source of the sperm
2. The nurturing who raises the child
3. The whole father, who provides sperm and raises the child
Ethical Issues
-
An important tool of analysis is a consideration of the benefit and burden of an action
o
The ethical theory of utilitarianism o
Will an action cause more benefit than burden than benefit?
-
Benefits: potential to have genetically related children
o
The benefits and burden of IVF point to:
Benefit and burden of other ART treatments
Understanding ethical issues that need exploring
o
Greatest benefit and key motivation of undergoing an ART
Have a child that is genetically related
o
Fertility problems can be devastating, and although uncertain and complex, there are options, e.g., IVF, adoption
o
The push to have children is clearly strong; however,
Is having children really an instinctual, biological drive?
With contraception, having children became a choice and many women and couples decide not to have children o
Regardless, for those who desire to have children who are genetically related, IVF offers hope even if there is no guarantee the procedure will result in a live
birth
-
Benefits: reproductive liberty
o
Another benefit is the reproductive freedom of individuals
Individuals and couples have the right to have genetically related children
Governments should promote this
Canada: more restrictions on ART than in the U.S.
Largely an unregulated free market in the U.S.
Assisted Human Reproduction Act (AHR Act) (2004)
o
Prohibits paying a surrogate mother and purchasing sperm and ova from a donor o
Section 12: opened the possibility of some form of reimbursement of expenditures incurred by surrogate mothers and gamete donors and reimbursement for loss of work-related income for surrogate mothers -
Burdens
o
There are five aspects of ART that raise concern and thus come under the category of ‘burden’ o
Commodification of human reproduction
There is objection “to ART on the grounds that it undermines dignity of human beings and human reproduction because it promotes the commodification of human biological material”
There is “considerable evidence of commercial transactions in Canada for both surrogacy and human eggs, and yet … research reveals that there has only been one conviction in the last ten years
United States:
Relative free market approach to ART
Canada:
Lack of rigorous oversight of existing regulations
Each raise concerns about the commodification of human reproduction
When individuals engage in a commercial pre-conception arrangement where:
A child: product sold by the surrogate
Purchased by a commissioning individual or couple
This is a business transaction
Reproduction and children: “objects” to be purchased with all the potential hazards that follow
If one reduces reproduction to a business transaction, raises concern of “product” not meeting specifications of “buyers” o
Financial costs
Significant infertility treatment happens below the radar
Physicians who provide the service are often also business owners
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Can affect their ability or willingness to provide honest information regarding successful outcome of fertility treatment
While some services are covered by Medicare, ART is still a significant financial burden
IVF treatment (1 round): can cost approximately $10,000
Raises questions about resource allocation of medical services and creates a two-tier system
Many individuals and couples do not have the financial resources needed to seek fertility treatment o
Health risks
When women’s ovaries are hyper stimulated with drugs to obtain multiple eggs, there is the risk of:
General anesthesia
Unbalancing the natural cycles of reproductive hormones
Little research on long-term safety risks of drugs that stimulate ovulation or on possible irreversible problems experienced by some women using these drugs
Multiple pregnancy increases risks for preterm birth and its complications
Women are asked to consider aborting to ensure one or two of the fetuses will have a better chance
As Shannon and Kockler indicate:
Contradicts the intention and desire of person seeking assistance in reproducing
Risk of preterm birth and low birth weight
Children born through ART are at higher risk of having a congenital malformation
Fetal risks associated with ART:
Increased chance of multiple gestation
In the United States (2009): almost half (50%) of all infants born as a result of ART were from multifetal pregnancies – compared with only 3.5 percent of non-ART births
o
Possible future risk of offspring
When a child born through ART becomes an adult, it is entirely possible that they unwittingly choose a mate who is a half-sister or half-brother o
‘Leftover’ embryos
IVF involved obtaining eggs from the woman and generally, between 8
and 12 eggs are gathered and are all fertilized
If the first cycle of treatment does not result in a pregnancy:
Woman does not need to go through the difficult and risky procedure of having her eggs obtained again
There are ‘extra’ embryos
What do we do with the unused embryos once the women becomes pregnant?
Many individuals and couples will freeze the remaining embryos for possible later use
It is estimated that about 600,000 cryopreserved embryos are stored in fertility clinics in the United States
Many are never used
Difficult time making a decision about what to do with the ‘leftover’ embryos
Indecision creates ethical dilemmas for fertility clinics after they lose touch with ‘owners’ of the embryos or the owners stop paying storage fees
Raises complex ethical issues
o
Donating the embryos for research
o
Donating them to another individual or couples
Ethical Issues in Gestational Surrogacy
-
Gestational surrogacy raises ethical issues that are specific to the experience of surrogacy o
The objectification of women
The objectification of women and fetus is ethically problematic
Surrogates are often younger, less-educated poor women commissioned by older, well-educated and affluent couples
Surrogates have not been adequately informed of the physical and psychological risks involved
Women become commodities whose worth is judged on their reproductive potential (Shannon and Kockler)
Consequence-based ethics:
Outcomes and happiness
Duty-based ethics:
Human dignity, respect for the person, and treating others as ends in themselves and not means to an end that is decided by another person
The terms “baby selling” and” womb rental” emphasize:
Horizon of values against which the reality of surrogacy can be viewed
Underlying value is to have a perfect child and women become the means through which this commodity can be bought
o
The implications on families caused by surrogacy
What does it mean to be a family? Or a parent? Or a child?
In some cultures:
Children belong to the community and not necessarily only to their biological parents
The existence of the nuclear family, consisting of the parents and children only, is a configuration that is quite rare
With reproductive technology, one’s understanding of family, parent, and child is significantly different
A child born through ART could feasibly have five parents
The “conventional” notion of family is difficult to define
Does ART pose a danger or a threat to a child’s self identity or its sense of belonging:
What will be the long-term consequences of these new configurations?
o
Donor sperm and donor eggs raises questions about the very meaning of family, parents, and children
-
How do we understand these designations in an age of reproductive technology?
Theological and Ethical Reflection
-
In exploring the issue of assisted reproductive technologies, women figure prominently in this bioethical issue because women’s lives are deeply impacted in the area of reproduction
o
When one considers the lived experience of women, we are confronted with both the benefits and limitations of ART
o
Exploring the ART through the lens of nonmaleficence and beneficence, as well as autonomy and justice there are a spectrum of views
o
Some views reproductive technologies as a new means of devaluing women, rendering them “expendable in the procreative process” -
The history of women’s experience in relation to reproduction has been a history of both great pain and great joy, of great oppression and great fulfilment
-
It is not possible to evaluate or reflect theologically or ethically on ART without taking into consideration the concrete experience of women
-
The good is always concrete, it is not something waiting to be found in some future insight
-
It is something to be created in the concrete experience of women and men who seek assistance in reproduction -
It is difficult to make sweeping ethical judgements on ART
-
One might consider ART against the framework of the three levels of the good to understand the potential good and the potential harm
-
Women and men who seek ART desire deeply to have a child genetically related to both, but if that is not possible, then a child who is genetically related to at least one of them -
Desire to have a child can go as far as:
o
Having both egg and sperm donors so that child is not genetically related to either, but will still be their child to nurture and raise o
ART is a means to fulfilling this ‘good’ at the first level
-
The good of society in general is promoted by:
o
The importance of reproduction, of bringing children into the world who will grow into good citizens o
Having more control over reproduction allows for more choices about lifestyle, and more autonomous individuals
This impacts women as a group who contribute considerably to the social good
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Considering ART against the backdrop of longer cycles of progress and decline, we might consider questions around the medicalization of pregnancy and childbirth, and questions concerning social justice
o
Medicalization of pregnancy and childbirth can and does objectify women and
children
o
The experience of pregnancy and childbirth move into the arenas of laboratories, business transactions, and science
-
Does the scientist’s control undermine the dignity and freedom of women?
-
When one considers the challenge of social justice, third level values are also operative o
Is a just society obligated to help people overcome infertility?
o
Is ART a right to which all are due or does it drain medical resources that could be used to address more pressing and vital needs?
o
Does ART truly help in bringing human fulfilment or is it another means of exploiting women by limiting their role in childbirth?
o
How does a just society consider ART in relation to other priorities?
-
Questions concerning ART do not only operate at the level of individual choice. A just
society requires:
o
A consideration of ART in the context of the common good
o
Pushing our analysis to understand how the good of the individual and the community can be served
Week 4 – Research Involving Human Subjects
Introduction
-
In the contest of the enormous quantity of research that is carried out in Canada and the United States on an ongoing basis, there is a category of research that demands special attention
-
Three objectives of research involving human subjects
o
Socially beneficial
Meeting scholarly standards
Benefits outweighing the harm
o
Interests and rights of research subjects
Be promoted
Be protected
o
Establishment of trust between the research community and the public
-
Often presents minimal risk
-
Abuses and tragedies are brought to the world’s awareness
o
WWII to May 2001
o
A healthy volunteer died after inhaling a drug in a United States federally financed asthma study at John Hopkins University
-
Research involving human subjects must involve more than researchers
Research Involving Human Subjects
-
Judgments need to be made regarding which research programs that involve human subjects should be allowed to proceed and which programs should be halted
-
The dignity of the human subject who is involved in the research must be respected above all other values including the potential benefit of the research to humanity
-
“subject-centred perspective”
-
“Perspective of the participant” is always kept in mind
-
Singularity of the present, concrete human person takes precedence over the plurality of future, abstract “humanity” who might benefit from the research
-
Many substantive issues are identified as needing consideration in the ethical deliberation of research involving human subjects
o
Key issues:
Consent is informed and voluntary
Confidentiality is protected
Conflict of interest be guarded against
The scientific method and design is sound
The potential risk does not outweigh probable benefit
The goal is suitably worthwhile
Research subjects are selected equitably
“Vulnerable” subjects are adequately protected
No discrimination involved in choosing subjects
Historical Context
-
The abuse of human research subjects in these cases paved the way to the development of codes and statements designed to protect human subjects of research
-
Nuremberg trials: The doctors’ trial
o
In 1946, the atrocities committed by German physicians in the name of research were investigated at War Crimes Tribunal at Nuremberg (“The Doctors’ Trial”)
o
They were tried for:
Participating in the Nazi program to euthanize persons not considered “worthy” to live
Conducting painful and often deadly experiments on thousands of prisoners in concentration camps without their consent
o
The experiments were divided into 3 categories:
High altitude
Test when crews of damaged aircrafts could safely parachute
Freezing experiments to find an effective treatment for hypothermia
Drug treatments
Developing drugs and treatment for injuries and illnesses
Tested immunization compounds and serums for prevention and treatment
o
Malaria, typhus, tuberculosis, typhoid fever, yellow fever, and infectious hepatitis
Different races
Determine how different “races” dealt with contagious diseases
Intended to establish “Jewish racial inferiority”
o
Sixteen (16) doctors were found guilty of “willing participation in the systematic torture, mutilation, and killing of prisoners in experiments”, Seven were executed
-
Tuskegee Syphilis Experiment: 1932-1972
o
The Tuskegee syphilis experiment has had a far-reaching impact on much more than just the health of men involved
o
The “legacy of Tuskegee” is that many African-Americans distrust white doctors and the government:
o
In 1990, a survey found:
10% of African Americans believed that the U.S. government created AIDS as a plot to exterminate blacks
20% could not rule out the possibility that this might be true
o
The men in the experiment were told they were being treated for “bad blood” when, in fact:
They were only observed to watch the progression of the disease
In 1932, there was no complete cure for syphilis, but there were treatment programs that were known to help:
These treatments were withheld from the participants, or given in doses so small as to be ineffective o
Bismuth
o
Neo arsphenamine o
Mercury
o
Even when penicillin was discovered in the 1940s, participants in the Tuskegee syphilis trials were never told or treated
o
They were actively prevented from receiving treatment so that doctors could continue to watch the progress
-
Henrietta Lacks
o
Born Loretta Pleasant in Roanoke, Virginia on August 1, 1920
o
Mother died when she was only 4 years old
o
Married her cousin, David “Day” Lacks with whom she had 5 children
o
The couple moved to Maryland o
On January 29, 1951, she went to the John Hopkins Hospital because of abdominal pain
Diagnosed with cervical cancer and received radiation treatment
During her treatment, doctors removed two cervical samples without her knowledge
She died at John Hopkins on October 4, 1951 at age 31
o
The cells taken from Henrietta Lack’s tumor flourished
Most cells survived for only a few days
First human cells that could be grown indefinitely in a laboratory
Amazingly durable
Researcher Dr. George Otto Gey isolated and multiplied a specific cell,
creating a cell line
Named the sample “HeLa”
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o
The cells derived from Henrietta Lacks’ tumor revolutionized medical research:
Vaccine for polio was developed through use of HeLa cells
Tens of thousands of patents resulted
Her family learned about the HeLa cells in the 1970s, but received no answers to their inquiries
In 1998, the British Broadcasting Corporation screened a documentary about Henrietta Lacks
In 2010, Rebecca Skloot published The Immortal Life of Henrietta Lacks
o
Henry Beecher’s 1966 article published in the New England Journal of Medicine, “Ethics and Clinical Research”
In 1966, Henry Beecher published an important paper reporting a variety of abuses of human subjects in medical research at major universities and medical centers in the United States
Ethical abuses in research came from reputable medical institutions
Harvard Medical School
National Institutes of Health Clinical Center
His article triggered discussions and debate within the medical field and beyond
Importance and practicality of obtaining consent from research subjects or surrogates if the subjects could not provide consent for themselves
His courage in challenging research abuses led to better oversight and protection of human subjects in research studies
o
Ethics violations cited include:
Treatment withheld despite proven efficacy
Continuing studies despite evidence of toxicity
Administration of toxic substances to improve understanding of disease
Experimental surgical techniques tested on healthy patients
Infants exposed to high doses of x-rays for dubious purposes
Use of subjects without their consent
-
Biotrial (France, 2016)
o
Research violations continue to occur in our present-day
o
Recent example:
Drug BIA 10-2474 was being tested by Biotrial, a pharmaceutical company in Rennes, France
Drug would be effective in treating certain neurological diseases
June 2015 – January 2019
One of the healthy volunteers was declared “brain dead”
o
“Volunteer 2508” experienced headaches and blurry vision after receiving multiple, high doses of BIA 10-2474
o
Hospitalized in the early evening and stayed in the hospital overnight
o
Other healthy volunteers were given high doses of the drugs without Biotrial staff finding out what happened to volunteer 2508
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o
Later that day, volunteer 2508 was declared brain-dead
o
Four other healthy volunteers were hospitalized when they also became ill
Two ended up with long-term neurological damage
o
Oversights identified:
The testing should have stopped until the condition of volunteer 2508 was known
Additional healthy volunteers were administered the drug after volunteer 2508 was hospitalized -
Willow brook state school hepatitis study
o
Mentally disabled children were deliberately infected with hepatitis so researchers could test gamma globulin as a treatment
Some parents were coerced into consenting to let their children infected
Could not get their children into the state school unless they agreed
Researchers justified deliberate infection justified deliberate infection by arguing that children in that school would come down with hepatitis
anyway
-
Jewish chronic disease hospital study
o
Researchers deliberately injected chronically ill patients with live cancer cells without document informed consent
Patients had given oral consent
Patients were in no mental state to give truly informed consent
-
West Lost Angeles veterans’ affairs medical center
o
Department of veterans’ affairs ordered all research involving animal and human subjects to stop
o
Hospitals and clinics of the veterans affairs medical center
o
Alleged that patients with cognitive disabilities were deliberately taken off their medicines so that researchers could study their symptoms o
Others were given drugs that intentionally made their symptoms worse so that researchers could observe the symptoms as they occurred
-
Roger Poisson (1994)
o
Incident involving a Canadian researcher
Roger Poisson, Professor of surgery at the University of Montreal
Member of the National Surgical Adjuvant Breast and Bowel Project (NSABP)
A joint U.S. and Canadian research effort
Since 1958 has conducted studies on some of the most effective treatments for breast cancer
o
In 1994, the U.S. Office of Research Integrity found:
For nearly a decade, Poisson had enrolled patients who were not eligible for trials and falsified or fabricated their medical records to cover up their ineligibility
Two sets of patient books in Poisson’s lab, one marked ‘true’ and another labelled ‘false’
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Women were part of trials that established that lumpectomy plus radiation was at effective as mastectomy in lowering risk of recurrent breast cancer
Other studies have since confirmed the benefits of lumpectomy combined with radiation
Misrepresentation caused many who underwent the procedure to question whether they had made the right decision
Normative Texts
-
Research on human subjects has been going on for hundreds of years -
Awareness of ethical concerns has a history well before the Second World War
-
Atrocities that were committed by German physicians in World War II o
Gave rise to the first effort at articulating directives that went beyond national borders
-
Nuremburg code (1947)
o
Following the Nuremburg Trials, the inhumane and atrocious experiments carried out by German doctors on behalf of the Nazis led to the development of the Nuremberg Code in 1947
The Nuremberg Code was the first international code of research ethics
Mandated that research involving human beings must follow 10 basic directives
1. The voluntary consent of the human subject is absolutely essential
o
Legal capacity to give consent o
Able to exercise free power of choice without coercion or deceit
o
Have sufficient knowledge and comprehension of the elements of the subject matter involved as to understand
and make an enlightened decision
The benefits
The risks
2. The experiment must yield fruitful results for the good of society that could not be obtained in any other manner and is not random and unnecessary in nature
3. Animal experimentation should precede human experimentation
4. The experiment should be so conducted as to avoid all unnecessary physical and mental suffering and injury
5. No experiment should be conducted if there is reason to believe it will lead to injury or death
6. The degree of risk to subjects should never exceed the humanitarian importance of the problem to be solved by the experiment
7. Risk to participants should be minimized through proper preparations
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8. The experiment should be conducted only by scientifically qualified persons
9. Participants should always be at liberty to withdraw from the
experiments
The scientists in charge must be prepared to terminate the experiment at any stage, if there is cause to believe continuing is likely to result in injury, disability, or death to the research subject
-
The Helsinki declaration (1964)
o
While the Nuremberg Code was an important development in regulating ethical research, it clearly was not enough to prevent tragedies like Tuskegee
The Helsinki Declaration was another key historical moment in regulating research on human beings
It was developed by the World Medical Association in 1964 in Helsinki, Finland
An elaboration of Nuremberg Code, with a focus on biomedical research
o
The 1975 revision of the Helsinki Declaration
Introduced the concept of independent oversight committees to review the ethics of research
In Canada, these are “Research Ethics Boards” or at Concordia University, it is the “Human Research Ethics Committee”
It has been formally revised 5 times between 1964 and 2000
The most recent revision takes into account debates over differing standards applied to research conducted in wealthy and less developed countries
Helsinki allowed for proxy consent from individuals who were unable to give informed consent to research
The Helsinki Declaration stipulates that:
No one group of society should disproportionately bear the costs of, or reap the benefits of, research
Any research participant should receive the best treatment available
“In any medical study, every patient – including those of a control group, if any – should be assured of the best proven diagnostic and therapeutic method.”
“The populations in which the research is carried out [must] stand to benefit from the results of the research”
Anti-retroviral therapy trials in Africa have shown how transnational research poses new challenges to the principles of ethical research
In the wake of the HIV-AIDS epidemic:
o
Poor countries have been used to test new drug therapies because medical trials in such countries are much cheaper than medical trials in wealthy, developed countries
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o
People participating in medical research in poor countries have not been given the same treatments as patients in wealthy countries
They also have not benefited to the same extent from the development of new drug therapies to treat HIV transmission
-
The Belmont Report (1978)
o
In 1974, partly in response to:
The scandal of the Tuskegee syphilis experiment and to provide a succinct description of the mandate for review of research involving human subjects:
The U.S. Congress established the National commission for the
Protection of Human Subjects of Biomedical and Behavioral Research o
The commission released a series of reports that provided the “official” positions necessary to create uniformity in American policies on the various complex
legal and ethical issues
The committee’s primary position relied on the three principles:
1. Beneficence
2. Justice
3. Autonomy
-
Tri-Council Policy Statement: Ethical Conduct for Research Involving Humans (2014)
o
In Canada, the federal research funding agencies are:
The Canadian Institutes of Health Research (CIHR)
The Natural Sciences and Engineering Research Council of Canada (NSERC)
The Social Sciences and Humanities Council of Canada (SSHRC)
o
These agencies developed a joint policy regarding ethical conduct in research involving human subjects:
The Tri-Council Policy Statement reflects to commitment of the three agencies in promoting ethical conduct in research involving humans
The TCPS aims to promote fruitful and ethical research
o
8 guiding principles:
1. Respect for human dignity
Protect human subjects
o
Bodily o
Psychologically o
Culturally
The “cardinal principle”
2. Respect for free and informed consent
Freely (without coercion or pressure) consent to research
Understand the implications of the research
Free to withdraw from the research whenever they choose
3. Respect for vulnerable persons
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Calls for greater vigilance
o
Abuse o
Exploitation o
Discrimination
4. Respect for privacy and confidentiality
5. Respect for justice and inclusiveness
Independent review of research programs
Considerations regarding the research subjects
6. Balancing harms and benefits
7. Minimizing harm
Unnecessary risk for research subjects must be avoided
Importance of the research must be ensured
8. Maximizing benefit in that the research must benefit others
o
These 8 principles are incorporated into 3 ‘core principles’:
Respect for others
Concern for welfare
Concern for justice
Principles
-
The Belmont Report and the TCPS2 both identify three key principles
o
Belmont (1978)
Respect for persons
Beneficence
Justice
o
TSPS2 (2014)
Respect for persons
Concern for welfare
Justice
-
Respect for persons
o
Typically framed as an issue of autonomy and of informed consent
o
Two key concerns:
The dignity of the human subject must be respected above all other values including the potential benefit of the research to society
Autonomy includes the participant’s relationship to their family and the community
Also includes a commitment to accountability and transparency
in the ethical conduct of research
Special care must be taken when working with individuals who have reduced autonomy:
o
Children
o
Mentally incapacitated adults, prisoners, employees
-
Concern for welfare
o
Harms can be physical or psychological
o
Can involve a risk to a person’s privacy and to their well-being
o
Goal:
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Maximize the benefits both to the participant and society at large
If there is a conflict, the participant’s benefit must always take precedence over society’s benefit
o
Welfare also means:
Minimizing risks as far as possible
To anticipate a reasonable risk-benefit ratio
-
Justice
o
Justice refers to treating people:
Fairly
Equitably
With equal respect and concern
Equally distributing the benefits and burdens
o
“Vulnerability is often caused by limited decision-making capacity, or limited access to social goods, such as rights, opportunities, and power. Individuals or groups in vulnerable circumstances have historically included children, the elderly, women, prisoners, those with mental health issues, and those with diminished capacity for self-determination”
Research Ethics Boards
-
Purpose
o
REBs are mandated by their institution to assess whether the research proposals they review are ethically acceptable according to TCPS 2
o
At Concordia, the University Human Research Ethics Committee must review all protocols of research involving human subjects that are intended to be carried out by Concordia researchers (faculty and students)
o
Researchers are obligated so submit a protocol when their research involves working with human subjects
-
Structure
o
The mandate of the REB is to protect the rights and well-being of research participants
o
According to the TCPS, the minimal composition of the REB is:
Two members with relevant research expertise
One ethicist
One member with relevant legal expertise
One community member
o
The configuration of REBs varies dramatically across Canada
5 members – basic minimum, some REBs have many more
This multidisciplinary flavour of REBs allows for a balance of expertise and provides a broad range of positions concerning a research
program – these positions can cause conflict
Each position is a source of information that helps us understand more deeply and deepen our level of reflection
Week 5 – Organ Donation
Organs are a Scarce Resource
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-
Strong commitment in Canada to promote organ and tissue donation
o
A valued medical procedure that most think promotes the good both individually and socially
o
Yet, Canada has one of the lowest rates of organs donors among developed nations
-
Remarkably, Canadian transplant methods are among the most sophisticated
o
Employ superior innovative tools to procure and use the most body parts
-
Only 15 per 1 million of those who die in hospitals donated o
Compared to 34 per 1 million in Spain and 26 per 1 million in the United States
-
There is a critical shortage of organs for transplantation
o
In 2014, there were 592 deceased organ donors and 553 living donors
A living donor provides a single organ, but a deceased organ donor can
provide up to eight
Living donors are usually related to the recipient (although not always)
o
2,346 transplants in Canada
1,430 kidney transplants (61% of transplants)
537 liver transplants
161 heart transplants
226 lung transplants
79 pancreas transplants
o
4,514 people waiting
77% (3,476) were waiting for a kidney transplant
11% (45) were waiting for a liver transplant
75 patients were waiting for an islet cell transplant
-
Organs are a scarce resource
o
Funding will not substantially change this situation except in education programs
o
Education will help in providing valuable information that Canadian citizens need to know and understand in order to make an informed choice about donating their organs either while living or when deceased Shifts in Procurement
-
Donation after cardio-circulatory death (DCD) was the criteria for procuring organs
o
When a potential donor’s heart and breathing stopped and they had given informed consent, organs could be procured
-
Prior to respirators and modern critical care in the mid-20
th
century, cessation of cardio-respiratory function was the only criterion for determining death
-
In 1968, the understanding of death shifted to brain death based on neurological criteria -
In 1969, the Harvard Ad Hoc Committee proposed adopting neurological criteria for determining death
-
Neurological criteria became widely adopted
-
Organs from “brain-dead” donors had much better success rates than the soon abandoned “non-heart-beating donors” (NHBD) or cardo-circulatory death methods
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Programs in Europe and the United States have returned to DCD in the last 10-20 years to meet increasing demands for organs
o
In Canada, DCD was adopted in 2006 after a 32-year-old woman named Sarah
Beth Therian died of a heart arrhythmia
Her parents followed her wishes and asked the hospital to consider her organs under the “new protocol called DCD”
Therian became the first Canadian in four decades to donate organs after cardiac death
o
In 2016, one third of all donors are DCD
-
Clarifications about DCD
o
There is an important difference between the current DCD proposals and the original DCD
It is a new category of controlled donors
o
There are two types of non-heart-beading donors (NHBD):
1. Uncontrolled
Dead on arrival (DOA) or unsuccessful CPR in the emergency room
2. Controlled
Following planned treatment withdrawal o
The new category of controlled donors raises some questions:
Why has it become an important category?
What are the ethical ramifications?
o
The return to DCD is the result of several factors:
Dying patients and families requesting to donate
Organs from NHBD had improved graft function
Canada was falling behind other countries due to fewer donations after cardiac death
The demand for solid organs exceeds the supply
Agencies looked for ways to expand the supply by relaxing the rules and the criteria
o
For all these reasons, we see the emergence of “expanded criteria donors”, and
DCD is one type
Major Ethical Issues in Organ and Tissue Donation
-
DCD raises several ethical issues
-
We will consider these first and then look at some general issues after. The ethical issues raised by DCD are:
o
Pre-mortem interventions
In the ‘controlled’ type of non-heart-beating donation, organ donation discussions should occur only after a patient or substitute decision maker (SDM) has decided that it is no longer in the patient’s best interest to continue life-sustaining interventions
Invasive pre-mortem interventions such as blood tests, bronchoscopies and insertion of a central line are used to maximize the success of the retrieval and transplantation
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While the patient or SDM has opted to stop all medical intervention, there may be medical interventions for a different reason
This scenario presents the prospect of invasive medical procedures being inflicted on the body of the dying person for someone else’s benefit
There is also the possibility such interventions will hasten the patient’s death
The question needing asking from an ethical perspective is this: are the
post-mortem interventions consistent with providing overall benefit for
the patient? o
Conflict of interest
In relation to DCD, there are two possible conflicts of interest:
1. First, the potential ‘controlled’ donor’s end of life care may be jeopardized because of their donor status
o
“It can be difficult not to manage patients as potential donors rather than as dying patients”
2. Second, therapeutic interventions might be held back to protect the organs
o
For example, a patient might not be given enough sedation before withdrawing life-sustaining machines
o
The sole purpose of this is to avoid hastening death before preparation for organ retrieval is completed
The main point is the separation of treatment of the patient (for the patient’s benefit) from procurement of the patient’s organs (for the potential recipient’s benefit)
o
Are DCD donors dead?
“DCD protocols are controversial because some physicians and bioethicists have questioned whether donors are really dead at the time organ recovery begins”
We come to a question that we discuss more detail in lesson 11: what is
death?
Death has become more difficult to define in an age where bodies can be kept alive almost indefinitely
This question is important because there is a tension between starting procurement as quickly as possible and allowing enough time to make sure the donor is dead
When a potential donor’s cardiorespiratory functions cease, it must be irreversible either because the cessation of the heartbeat could not be reversed with intervention (i.e., CPR) or because it will not be reversed
due to a decision
Yet, if reversibility is possible, is the person really dead?
Currently most hospitals follow the so-called “5-minute rule”
o
The procurement team must wait 5 minutes after the heart stops before organs are removed
o
The ethical debate revolves around the concern that waiting 5 minutes does not ensure the patient is dead
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and the potential for the brain to ‘come back to life’ exists
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