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Related Experiment Videos

Sedative hypnotic use in Alberta.

Aliya Kassam1, Brian Carter, Scott B Patten

  • 1Institute of Psychiatry, London, UK.

Canadian Journal of Psychiatry. Revue Canadienne De Psychiatrie
|September 22, 2006
PubMed
Summary
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Benzodiazepine and similar sedative-hypnotic (BDZ-SSH) use in Alberta shows regional variations, contrary to the hypothesis that antidepressants reduced their frequency. Zopiclone use is notably high in Alberta.

Area of Science:

  • Pharmacoepidemiology
  • Psychiatry
  • Health Services Research

Background:

  • Benzodiazepines and similar sedative-hypnotics (BDZ-SSHs) have established therapeutic and adverse effects.
  • Limited contemporary pharmacoepidemiologic data exists for BDZ-SSH use in Canadian populations.
  • The relationship between antidepressant use and BDZ-SSH prescribing patterns requires investigation.

Purpose of the Study:

  • To describe BDZ-SSH prescribing patterns in Alberta.
  • To test the hypothesis that increased antidepressant use correlates with decreased BDZ-SSH use.
  • To identify regional variations in BDZ-SSH utilization.

Main Methods:

  • Utilized Alberta Mental Health Survey data for usage patterns and frequencies.
  • Supplemented survey data with pharmacy dispensing records from IMS Health.

Related Experiment Videos

  • Analyzed associations between clinical factors (diagnoses, other psychotropics) and BDZ-SSH use.

    • Main Results:

    • BDZ-SSH use frequency was consistent with previous studies.
    • Observed significant regional variations in BDZ-SSH use frequency and patterns within Alberta.
    • Zopiclone demonstrated the highest frequency of use among examined BDZ-SSHs, with higher rates in Alberta compared to other provinces.
    • Clinical factors, including psychiatric diagnoses and concurrent psychotropic medication use, were strongly linked to BDZ-SSH prescriptions.

    Conclusions:

    • The study reveals unexpected regional disparities in BDZ-SSH prescribing within Alberta.
    • Findings challenge the initial hypothesis regarding antidepressant substitution.
    • Provides crucial benchmarks for future pharmacoepidemiologic surveillance of BDZ-SSH use.
    • Highlights zopiclone as a frequently used agent with notable regional prevalence.