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Publication Detail
Long-term impact of the expansion of a hospital liaison psychiatry service on patient care and costs following emergency department attendances for self-harm
  • Publication Type:
    Journal article
  • Publication Sub Type:
  • Authors:
    Jackson J, Nugawela MD, De Vocht F, Moran P, Hollingworth W, Knipe D, Munien N, Gunnell D, Redaniel MT
  • Publisher:
    Royal College of Psychiatrists
  • Publication date:
  • Journal:
    BJPsych Open
  • Volume:
  • Issue:
  • Article number:
  • Status:
  • Language:
Background In September 2014, as part of a national initiative to increase access to liaison psychiatry services, the liaison psychiatry services at Bristol Royal Infirmary received new investment of £250 000 per annum, expanding its availability from 40 to 98 h per week. The long-term impact on patient outcomes and costs, of patients presenting to the emergency department with self-harm, is unknown. Aims To assess the long-term impact of the investment on patient care outcomes and costs, of patients presenting to the emergency department with self-harm. Method Monthly data for all self-harm emergency department attendances between 1 September 2011 and 30 September 2017 was modelled using Bayesian structural time series to estimate expected outcomes in the absence of expanded operating hours (the counterfactual). The difference between the observed and expected trends for each outcome were interpreted as the effects of the investment. Results Over the 3 years after service expansion, the mean number of self-harm attendances increased 13%. Median waiting time from arrival to psychosocial assessment was 2 h shorter (18.6% decrease, 95% Bayesian credible interval (BCI) −30.2% to −2.8%), there were 45 more referrals to other agencies (86.1% increase, 95% BCI 60.6% to 110.9%) and a small increase in the number of psychosocial assessments (11.7% increase, 95% BCI −3.4% to 28.5%) per month. Monthly mean net hospital costs were £34 more per episode (5.3% increase, 95% BCI −11.6% to 25.5%). Conclusions Despite annual increases in emergency department attendances, investment was associated with reduced waiting times for psychosocial assessment and more referrals to other agencies, with only a small increase in cost per episode.
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