Virtual autopsy: time for a clinical trial
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FORENSIC FORUM
Virtual autopsy: time for a clinical trial Michael S. Pollanen • Noel Woodford
Accepted: 25 January 2013 / Published online: 24 February 2013 Ó Springer Science+Business Media New York 2013
In this paper we put forward the idea that forensic pathologists need to start thinking differently about our core activity. It may now be time to move beyond the classical autopsy and embrace a new approach. However, the present discussion is only applicable to death investigation systems that have, or can develop, capacity in postmortem CT/MR imaging. Over the last 50 years, hospital autopsy rates have declined. Although many pathologists lament this situation, the decline has had no practical adverse effect on medical education or the quality of patient care. Hospital autopsies are still performed when there is a specific clinical interest aimed at improving patient care (e.g., when death occurs after cardiovascular surgery, bone marrow transplantation, or during clinical trials). Furthermore, the targeted medical autopsy is thriving as a clinical and basic science research tool (e.g., ‘‘brain only’’ autopsies in neurodegenerative disease). The autopsy as a teaching tool is essentially defunct at the undergraduate level, as most medical schools have prioritized other aspects of the curriculum due to the huge increase in medical knowledge. Legal and forensic medicine is often only briefly mentioned in the medical curriculum. In addition, there is a widespread movement in forensic pathology to embrace postmortem imaging, or virtual autopsy. There is a range of opinion on the utility of this approach, or if it is a beneficial development. However, if the history of medical technology is a guide, the net effect of the use of postmortem imaging will be to reduce the
M. S. Pollanen (&) N. Woodford Ontario Forensic Pathology Service, Toronto, Canada e-mail: [email protected] M. S. Pollanen N. Woodford Victorian Institute of Forensic Medicine, Melbourne, Australia
number of classical autopsies performed. Furthermore, there is a persistent societal tendency to reduce the number of autopsies. In fact, most medicolegal death investigation systems are developing policies or legislation to permit objection to autopsies by families. Cost containment is also a driver of autopsy rate reduction in many jurisdictions. Furthermore, the magnitude of problems with organ retention is increased by higher autopsy rates. In the jurisdictions with the highest medicolegal autopsy rate, studies have shown that these autopsies are often quite poorly performed and/or reported. In addition, many jurisdictions have never had a high medicolegal autopsy rate (e.g., Netherlands and Germany) and yet have not suffered systemic ill-effects in society as a result. Prospective audit of medicolegal autopsy quality have shown that deficiencies in autopsy results in cases of natural, accidental and suicidal death have little, if any, impact on the outcomes in the case. This seems to occur because some medicolegal autopsies are performed
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