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Louis Appleby National
Confidential Inquiry into Suicide and Homicide by People with Mental
Illness, School of Psychiatry and Behavioural Sciences, University of
Manchester, Withington Hospital, Manchester M20 8LR
Correspondence
to: Professor Appleby Louis.Appleby{at}man.ac.uk
Objective:
To describe the clinical circumstances in which psychiatric patients commit suicide.
Design:
National clinical survey.
Setting:
England and Wales.
Subjects:
A two year sample of people who had
committed suicide, in particular those who had been in contact with
mental health services in the 12 months before death.
Main outcome measures:
Proportion of suicides in
people who had had recent contact with mental health services;
proportion of suicides in inpatients; proportion of people committing
suicide and timing of suicide within three months of hospital
discharge; proportion receiving high priority under the care programme
approach; proportion who were recently non-compliant and not attending.
Results:
10 040 suicides were notified to the study between April 1996 and March 1998, of whom 2370 (24%; 95% confidence interval 23% to 24%) had had contact with mental health services in
the year before death. Data were obtained on 2177, a response rate of
92%. In general these subjects had broad social and clinical needs.
Alcohol and drug misuse were common. 358 (16%; 15% to 18%) were
psychiatric inpatients at the time of death, 21% (17% to 25%) of
whom were under special observation. Difficulties in observing patients
because of ward design and nursing shortages were both reported in
around a quarter of inpatient suicides. 519 (24%; 22% to 26%)
suicides occurred within three months of hospital discharge, the
highest number occurring in the first week after discharge. 914 (43%;
40% to 44%) were in the highest priority category for community care.
488 (26% excluding people whose compliance was unknown; 24% to 28%)
were non-compliant with drug treatment while 486 (28%; 26% to 30%)
community patients had lost contact with services. Most people who
committed suicide were thought to have been at no or low immediate risk
at the final service contact. Mental health teams believed suicide
could have been prevented in 423 (22%; 20% to 24%) cases.
Conclusions:
Several suicide prevention measures in
mental health services are implied by these findings, including
measures to improve compliance and prevent loss of contact with
services. Inpatient facilities should remove structural difficulties in observing patients and fixtures that can be used in hanging. Prevention of suicide after discharge may require earlier follow up in the community. Better suicide prevention in psychiatric patients is likely
to need measures to improve the safety of mental health services as a
whole, rather than specific measures for people known to be at high risk.
Key messages
over 1000 cases annually
© BMJ 1999
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