Hospital self-harm cases have steadily risen among men in England since 2008

But only half of those going to hospital afterwards get mental health assessment

The number of hospital cases of self-inflicted harm, such as cutting and overdosing on prescription meds, has risen steadily since 2008 in England among men, reveals research published in the online journal BMJ Open.

But only around half of those who go to hospital after the incident receive a specialist mental health assessment, as national guidelines stipulate they should, the data show.

This is of particular concern as episodes of self-harm precede death in one in every two cases of suicide, the researchers point out.

The researchers base their findings on reported cases of self-harm among people aged 15 and older at five general hospitals in the cities of Oxford, Manchester, and Derby between 2000 and 2012. Self-harm includes intentional injury and overdosing on prescription drugs.

The three cities are all part of the Multicentre Study of Self Harm in England. Because they are socially and economically diverse, the study participants are reasonably representative of urban patterns of self-harm across the country, say the researchers.

During the 13-year study period, 84,378 episodes of self-harm involving 47,048 people were dealt with at the five hospitals. Well over half of these cases (58+%) were among women.

Almost four out of 10 people were under 25, and nearly two thirds (62%) were under 35. Almost a third (30%) were receiving some form of psychiatric care when they self-harmed.

Overall, rates of self-harm fell among women from 2000 onwards. They also fell in men, but only until 2008, after which they steadily rose, possibly because of the effects of the economic downturn, suggest the researchers.

The rates of self-harm closely mirrored patterns of suicide seen in the general population, for both men and women.

An intentional overdose was responsible for more than three quarters of the episodes. Of these, common painkillers were used in over half the overdoses, while antidepressants were used in one in four (just under 25%).

Benzodiazepines, a class of drugs used to treat anxiety and sleep problems, were used in around one in seven cases (just under 14%), while major tranquilisers and antipsychotics were used in around 7% of cases.

A sharp increase in reported cases of cutting/stabbings and hanging/strangulation occurred in the second half of the study period.

“It should be noted that there is a stronger risk of suicide following self-cutting compared to self-poisoning,” write the researchers, adding: “Also repetition of self-harm is more common in individuals who cut themselves.”

One in four people self-harmed again within a year.

Overall, the proportion of people getting a specialist mental health assessment following their visit to hospital was greater in 2012 than in 2003, although this varied among the five hospitals.

Nevertheless, only just over half (53%) of 67,653 episodes of self-harm were followed up with a mental health assessment, as recommended in 2004 by the National Institute of Health and Care Excellence (NICE).

This was particularly true of people who cut themselves, with only just over a third (38%) of those who chose this method receiving an assessment, compared with more than 56% of those who overdosed.

“Our finding that only a little over a half of individuals presenting to hospital after self-harm were offered psychosocial assessment and that individuals who self-injured were least likely to receive an assessment, coupled with the rise in self-injury as a method of self-harm, and the link between such methods and suicide, may have important implications for the management of self-harm in hospitals,” suggest the researchers.

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