Paediatrics (RCH) - Theses
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ItemAppearance-altering facial surgery on children: An empirically informed ethical analysis( 2015)Using empirically informed ethical analysis, this thesis investigates the ethics of appearance-altering facial surgeries performed on children. These surgeries have attracted controversy in the media and ethics literature and are the subject of legislation and professional guidelines, which leave much to individual practitioners’ discretion. Despite their contentious nature, very little is known about surgeons’ practices and decision-making processes regarding these surgeries. This thesis is ‘empirically informed’ in two different ways: (1) by existing empirical data on psychosocial outcomes of children with facial differences and children who have undergone appearance-altering facial surgeries and (2) by new interview data from 22 surgeons who encounter requests for these surgeries. Using reflective equilibrium as my method of ethical analysis, these two kinds of empirical data are combined with established paediatric bioethical principles and concepts, including the zone of parental discretion and children’s assent and dissent, to arrive at a comprehensive position on the ethics of performing these surgeries. Using reflective equilibrium, I found some aspects of surgeons’ decision-making processes and practices diverged from existing ethical understandings about the relative roles of children and parents in medical decisions. One such area related to the ethical weight surgeons attach to children’s refusals. While most ethicists in the literature advocate including children in decisions, they do not necessarily recommend giving them decision-making authority. In contrast, most surgeons tended to give children a larger role in decisions about appearance-altering facial surgeries, viewing them as ultimate decision makers. In this thesis, I make normative claims about the relative levels of ethical weight surgeons should place on children’s and parents’ wishes when making decisions about these surgeries. Using the established ethical framework of the zone of parental discretion and related ethical concepts of harm and benefit, I claim that several morally relevant differences exist between these surgeries and other medical procedures requested for children. These include their uncertain risk-benefit ratio, their elective nature, uncertainty as to how the child will later perceive their facial difference and the acceptability of surgery, and the existence of alternative, less risky and invasive psychosocial interventions for alleviating appearance-related psychosocial harm. I argue these differences warrant placing greater (even absolute) ethical weight on children’s wishes, especially when children refuse these surgeries, and comparably less ethical weight on parents’ wishes, when making these decisions. Although my ethical position is similar to most of the surgeons’ judgments, I argue it would be worthwhile for surgeons to know about and use ethical principles and concepts more explicitly when making decisions and communicating with children and/or their parents. I also claim that surgeons ought to make more of a considered effort to ascertain children’s actual wishes and inform parents and/or children about non-surgical options for alleviating appearance-related psychosocial distress, and be taught strategies for saying no and how to articulate their ethical reasoning. These findings have significant implications for clinical practice, raise questions for further ethical analysis and contribute to refinement of existing understandings of children’s assent and dissent and parents’ role as proxy decision makers for their children.
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ItemExploring the experiences of people who have consented to tumour testing for a hereditary disposition to cancer( 2009)Due to the costly and technically challenging nature of genetic testing, methods have been developed to target more specifically those who are at increased risk of carrying the Hereditary Non-Polyposis Colorectal Cancer (HNPCC) mutation. HNPCC is an inherited colorectal cancer syndrome. Testing of tumour material (which has previously been removed during surgery) for features of HNPCC has been found to be an effective and economic method of identifying those at higher risk of having a mutation. Only those at higher risk of having a mutation will undergo genetic testing. This practice of “tumour testing” has become widespread. There is currently no clarity about requirements for consent prior to testing of stored tumour tissue. The person giving consent to tumour testing does not always have an appointment with a genetics service prior to giving consent. This can be contrasted to genetic testing on blood samples where laws and guidelines state that informed consent is required prior to genetic testing and that comprehensive genetic counselling and support should be provided as part of this process. Protocols for genetic testing have been developed as a result of extensive research around the impact and implications of genetic testing. Consumer opinion and participation through research is an important aspect of health policy and guideline development. Accordingly the purpose of this study was to contribute to such development by gaining insight into the experiences, understandings, decision making processes and opinions of those who had given consent to have their own or their relatives tumour tested. Seventeen people who had given consent for tumour testing either for themselves, or on behalf of a deceased relative were recruited through a Familial Cancer Centre and in-depth interviews conducted. The interviews were transcribed and analysed using thematic analysis. Some participants had no memory of consenting to tumour testing. Others remembered basic concepts. Negative implications of testing were unknown or viewed as unimportant. Participants did not understand the difference between tumour testing and germline testing. Despite lack of memory or understanding participants did not want additional or more detailed pre-test information although they did want more follow-up and support after receipt of results. The decision to consent to testing was made as soon as participants were informed of the availability of tumour testing - the major reason being to provide information for the family that would aid in cancer prevention. Participants were more concerned with accessibility to testing than pre test information and counselling. Findings in this study indicated participants made decisions heuristically rather than systematically and this as well as participants’ opinions and other decision-making research has implications for the traditional view of informed consent around genetic related decisions. This in turn has implications for policy and guidelines in the area. Implications for current practise as a result of findings from this study include ensuring participants understand negative implications of testing and follow up and support of those with negative as well as positive results to tumour testing.