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The Investigation of Events that followed the death of Cyril Mark Isaacs
(rule)

CHAPTER 31

Brain collections used for research under Coroners Rules 9 and 12

Introduction

This chapter describes the principal procedures that were followed for research on retained brains and brain samples that was carried out under Coroners Rules 9 and 12 with the knowledge and agreement of Coroners.
Chapter 32 describes some research programmes carried out under Rules 9 and 12 in the 1980s and in subsequent years.

Sources of information

The Coroners Rules and the recollections of Dr D R Chambers, Coroner for Inner North London District, and contemporaneous correspondence of other Coroners who agreed to research under these rules.

The purpose of Rules 9 and 12

The stated purpose of both rules is to ensure the preservation of 'material' (tissues and organs) that after further examination may provide the Coroner with additional information about the cause of death.

Rule 9 - 'Preservation of material'

'A person making a post-mortem examination shall make provisions, so far as possible, for the preservation of material which in his opinion bears upon the cause of death for such period as the coroner thinks fit'.

Rule 12 - Special examination

'Preservation of material' - 'A person making a special examination shall make provision, so far as possible, for the preservation of the material submitted to him for examination for such period as the Coroner thinks fit'.
At first sight, these two rules appear as a duplication. The term 'special examination' derives from Section 20 (4) of the Coroners Act 1988: 'In this section 'special examination', in relation to a body, means a special examination by way of analysis, test or otherwise of such parts or contents of the body or such other substances or things as ought in the opinion of the coroner to be submitted to analyses, test or other examination with a view to ascertaining how the deceased came by his death'.

Research studies undertaken as 'special examination'

Rule 12 has greater potential than Rule 9 to permit new forms of research on post mortem brains. In a number of districts researchers have, with the agreement and support of Coroners, carried out innovative research on brains obtained from post mortems. For example, studies planned to investigate whether there were common neurochemical findings in the brains of those who had died from suicide or some other behavioural disorder were authorised by Coroners and successfully carried out.
Investigations were permitted under Rule 9 when the Coroner was satisfied these could be carried out on ordinary post mortem brain tissue samples.

Origins of research under Rules 9 and 12

Dr D R Chambers was appointed Coroner for St Pancras in 1970. Dr Chambers' district later became Inner North London District and he continued as Coroner for the district until 1994. He was also appointed Coroner for the City of London from 1994 until he retired in 2002. Dr Chambers was contacted in the late 1970s by a researcher working for the Medical Research Council's Institute at Mill Hill. The MRC research team wished to investigate whether levels of serotonin in the brains of those who had committed suicide were different from the levels in normal and diseased brains. As all deaths by suicide must be reported to the Coroner, the research could only be carried out if a Coroner was willing to authorise access under Rule 9 or 12.
Dr Chambers agreed to the retention of brains from suicide victims under the 'special examination' provisions of Rule 12, as he considered that the findings could have a bearing on the cause of death.
Over a period of five years, the brains of 17 persons who were suspected of having committed suicide were collected from public mortuaries in North London with Dr Chambers' agreement. These brains were compared with those of patients who had died from other conditions, including Alzheimer-type dementia. This research was published in 1984 and 1986(1 and 2).

Use of the methodology in other places

When other research teams learned that Rules 9 and 12 could, if a Coroner agreed, provide access to brains from Coroners' cases, the same methodology was adopted in other locations with the agreement of a number of Coroners. The Coroner had first to be satisfied that the research would have a bearing on the cause of death.
There is, however, a second condition that applies to Rules 9 and 12. A report on the examination must be made to the Coroner in all such cases.
There were a number of Coroners who, like Dr Chambers, were willing to authorise the removal of brains or brain samples for research purposes provided they were satisfied with the purpose of the research and the researcher agreed to provide them with reports on their results, Chapter 32.
As some of these investigations also required samples from 'normal' brains for comparison, some Coroners were content for specimens to be obtained from the brains of other deceased persons (usually sudden deaths) who had no history of neuropsychiatric disease. However, not all Coroners who authorised the removal of brains or brain samples under Rule 9 or 12 were willing to authorise the removal of control samples.
Some Coroners who agreed to research under Rules 9 and 12 also allowed each index brain to be matched for age and gender with the next suitable 'control' that became available from the same public mortuary.

Reports to the Coroner

Chapter 42 describes the reasons why post mortem reports to Coroners did not record that a brain sample or the whole brain had been retained. However, Coroners who authorised research under Rules 9 and 12 expected to receive a report of the outcome.

Summary

Coroners Rules 9 and 12 enable the Coroner to order the retention of material, including brain samples, if an examination may have a bearing on the cause of death.
Dr Chambers, the Coroner for Inner North London, agreed to a proposal for research on the brains of suicide victims under Rules 9 and 12.
Other research teams followed suit and adopted the same methodology which satisfied other Coroners that the research proposed would have a bearing on the cause of death.
Some Coroners permitted collection of brain samples from normal brains as 'controls'.
The Coroners expected reports to be provided, as these are required for Rules 9 and 12.

References

1  Neurotransmitter Receptors and Monoamine Metabolites in the Brains of Patients with Alzheimer's type Dementia and Depression and Suicides. Neuropharmacology 1984; Vol. 23 (12B): pp 1561-1569.
2 Serotonergic Mechanisms in Brains of Suicide Victims: Brain Research 1986; Vol 362: pp 185-188.



 
       
 

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