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Background: Acute kidney injury (AKI) in hospitalized patients has significant implications in terms of morbidity and mortality, length of hospital stay and associated costs. To date, no interventions are proven to prevent the development of AKI but this is hampered in part by the lack of early recognition of patients at risk. We aimed to determine whether a simple system could be devised from both physiological and demographic data in order to identify individuals at increased risk from the development of inpatient AKI. Method: Our observational, population-based single-centred study took place in an 870-bed associated university hospital. All patients admitted to the acute medical admissions unit on the Worthing site of the Western Sussex Hospitals Trust during the study period were included. Results: Multivariate logistic regression analysis demonstrated that age, respiratory rate and disturbed consciousness together with a history of chronic kidney disease, diabetes mellitus, congestive cardiac failure and liver disease were associated with an increased risk of developing AKI within 7 days of admission. We derived a simple scoring system to identify acute medical patients at greater risk of developing AKI. Conclusions: The incidence of AKI complicating inpatient admissions remains high, however with the application of the derived AKI prediction score it is hoped that early recognition will translate to improved outcomes.

Objective:General psychiatric bed numbers in Ireland have reduced markedly in recent decades. In other jurisdictions such reductions have been accompanied by increases in the prevalence rates of severe mental illness among prisoners. We examined variations in per capita provision of local psychiatric beds and community residential places in Ireland for associations with forensic psychiatric service utilisation.Method:All admissions via the courts and prisons to the national forensic psychiatry service during the years 1997-1999 were assigned to the appropriate health board. Forensic admission and bed utilisation rates were compared with measures of general psychiatric service provision.Results:There were 476 admissions via the criminal justice system during the study period (0.74% of all psychiatric admissions in Ireland). A disproportionate number came from the most urbanised area. There were fivefold differences in overall bed and hostel place allocation between Irish health boards. Combined general psychiatric beds were inversely correlated with forensic bed utilisation (Spearman r = -0.75, p = 0.013). These differences showed a strong inverse correlation with forensic service utilisation.Conclusions:General psychiatric services are relatively under-resourced in areas of greatest predicted need in Ireland. This is associated with increased use of forensic psychiatric services and may reflect accumulation of the mentally ill in Irish prisons.

HDC HRG criteria identify children who consume significantly greater staff resources. Revision of the definition has resulted in a large reduction of cases meeting the criteria but identifies a group consuming greater staff resources.