Amphetamine use and psychiatric admissions: a 10-year perspective.

Jai Nathani, Richard W Morris, Nicholas Glozier, Grant Sara

Australasian psychiatry : bulletin of Royal Australian and New Zealand College of Psychiatrists 2021 Dec

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We aimed to (i) describe the 10-year trend in admissions associated with amphetamine use, (ii) describe the distinguishing characteristics of people with an amphetamine-related diagnosis (ARD) and (iii) examine predictors of repeated admissions among people with an ARD. We conducted a retrospective cohort study. We (i) counted the number of admissions with an ARD and evaluated any trends, and using univariate and multivariate tests, (ii) compared those who had an ARD with those who did not and (iii) compared those with an ARD who had one, two to four, and five or more admissions. Admissions associated with amphetamine use increased between 2009 and 2015. Those with an ARD had significant differences in demographics, diagnosis and pattern of service use relative to those without an ARD. Amongst those with an ARD, a higher number of admissions was positively associated with a schizophrenia diagnosis but inversely associated with a transient psychotic disorder diagnosis. The increase in admissions associated with amphetamine use indicates that people with an ARD posed major demands on inpatient services. Targeting amphetamine treatment to those with psychotic disorders, both schizophrenia and transient psychotic disorders, may reduce hospital-related costs and re-admissions.

Citation

Jai Nathani, Richard W Morris, Nicholas Glozier, Grant Sara. Amphetamine use and psychiatric admissions: a 10-year perspective. Australasian psychiatry : bulletin of Royal Australian and New Zealand College of Psychiatrists. 2021 Dec;29(6):655-658