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Psychotropic drug use in relation to mental disorders and institutionalization among 95-year-olds: a population-based study.
Nordic Council of Ministers, Nordic School of Public Health NHV.
Department of Research and Development, The National Corporation of Swedish Pharmacies (Apoteket AB), Gothenburg, Sweden.
Neuropsychiatric Epidemiology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Sweden.
Neuropsychiatric Epidemiology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Sweden.
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2011 (English)In: International psychogeriatrics, ISSN 1041-6102, E-ISSN 1741-203X, Vol. 23, no 8, 1270-7 p.Article in journal (Refereed) Published
Abstract [en]

BACKGROUND: The prevalence of psychotropic drug use is high among the elderly, but research on how psychotropic drugs are used among individuals aged 90 years and older is limited. An increased knowledge on this topic may contribute to improved prescribing patterns in this vulnerable population. The aim of this study was to assess the use of psychotropic drugs in relation to mental disorders and institutionalization among 95-year-olds and to identify use of potentially inappropriate psychotropic drugs.

METHODS: All 95-year-olds born in 1901-1903 living in nursing homes or community settings in Gothenburg, Sweden were invited to participate. The response rate was 65% and 338 95-year-olds were examined (263 women, 75 men). Psychotropic drug use in relation to mental disorders and institutionalization was assessed. Information on drug use was collected primarily from multi-dose drug dispensing lists. Participants were examined by trained psychiatrists using the Comprehensive Psychopathological Rating Scale and a battery of cognitive tests. Dementia, depression, anxiety and psychotic disorders were diagnosed according to the Diagnostic and Statistical Manual of Mental Disorders, third edition, revised (DSM-III-R).

RESULTS: Sixty percent of the 95-year-old participants used psychotropic drugs; hypnotics were most common (44%). Potentially inappropriate psychotropics were observed in one third (33%). Antidepressants were used by 7% of the participants without dementia who fulfilled criteria for a depressive disorder, while 56% used hypnotics and 30% used anxiolytics.

CONCLUSIONS: The high prevalence of psychotropic drug use and the nonspecific nature of these treatments among 95-year-olds indicate a need for improvement in prescribing patterns.

Place, publisher, year, edition, pages
2011. Vol. 23, no 8, 1270-7 p.
Keyword [en]
psychotropic drugs; drug utilization; mental disorders; dementia; depression; nonagenarians
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:norden:org:diva-3719DOI: 10.1017/S1041610211000524PubMedID: 21447258OAI: oai:DiVA.org:norden-3719DiVA: diva2:786350
Available from: 2015-02-05 Created: 2015-02-05 Last updated: 2017-12-05Bibliographically approved
In thesis
1. Psychotropic drugs among the elderly: Population-based studies on indicators of inappropriate utilisationin relation to socioeconomic determinants and mental disordersEva LesénGothenburg,
Open this publication in new window or tab >>Psychotropic drugs among the elderly: Population-based studies on indicators of inappropriate utilisationin relation to socioeconomic determinants and mental disordersEva LesénGothenburg,
2011 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Background: Drug utilisation among the elderly is complex due to multiplemorbidities, extensive drug utilisation and an increased sensitivity to drugs. One of the most common drug groups utilised in this population is psychotropic drugs, which include antipsychotics, anxiolytics, hypnotics, and antidepressants. In appropriat eutilisation of drugs among the elderly is an issue of great public health importance.

Aims: The overall aim of this thesis is to assess and analyse potentially in appropriat eutilisation of psychotropic drugs among the elderly in Sweden. The specific aims are to assess to what extent the indicator “concurrent use of three or more psychotropic drugs”captures the utilisation of Potentially Inappropriate Psychotropics (PIP) among theelderly, and to analyse potentially inappropriate utilisation of psychotropic drugs inrelation to time, mental disorders, institutionalisation, and socioeconomic determinants among the elderly in Sweden.

Methods: Data from individual-based registers on dispensed drugs and socioeconomic determinants in 2006, the Gothenburg 95+ Study (1996-1998), and aggregated drug sales statistics from 2000-2008 were used. The agreement between the two indicators“concurrent use of three or more psychotropic drugs” and PIP was assessed. Utilisationof psychotropic drugs and PIP was assessed in relation to mental disorders and institutionalisation among the 95-year olds, and in relation to socioeconomic determinants among individuals aged 75 years and older. Further, trends over time inutilisation of PIP and recommended drugs were analysed.

Results: During 2006, about half of the elderly aged 75 years and older utilised psychotropic drugs and one fifth of all elderly utilised PIP. One fourth of individualsutilising PIP were captured by the indicator “concurrent use of three or morepsychotropic drugs”. In 1996-1998, less than one tenth of the 95-year olds with depression utilised antidepressants, while hypnotics and anxiolytics were more common. Individuals with low income and the non-married were more likely to utilise PIP compared to those with high income and the married, respectively. During 2000-2008, utilisation of PIP decreased and utilisation of recommended psychotropic drugs increased.

Conclusions: There are substantial problems in the utilisation of psychotropic drugsamong the elderly. This thesis found that the agreement between two indicators of inappropriate psychotropic drug utilisation was poor, which emphasises the importance of choosing relevant indicators. The findings also show socioeconomic inequities inpsychotropic drug utilisation among the elderly, a low utilisation of antidepressants among 95-year olds diagnosed with depression, and a trend towards the utilisation of recommended rather than inappropriate psychotropic drugs among the elderly

Abstract [sv]

Bakgrund: Användning av läkemedel bland äldre är komplicerat på grund avmultisjuklighet, användning av flera läkemedel och en ökad känslighet för läkemedel.En av de vanligaste läkemedelsgrupperna hos äldre är psykofarmaka, som inkluderarantipsykotika, ångestdämpande, sömnmedel och antidepressiva läkemedel. Olämpliganvändning av läkemedel bland äldre är ett betydande folkhälsoproblem.

Syfte: Det övergripande syftet med avhandlingen är att beskriva och analyserapotentiellt olämplig användning av psykofarmaka bland äldre i Sverige. De specifikasyftena är att undersöka i vilken utsträckning indikatorn ”samtidig användning av treeller fler psykofarmaka” fångar användningen av potentiellt olämpliga psykofarmaka(PIP) bland äldre och att analysera potentiellt olämplig användning av psykofarmaka irelation till förändring över tid, psykiatriska diagnoser, boendeform och socioekonomiska determinanter bland äldre i Sverige.

Metod: Avhandlingen baseras på data från individbaserade register över läkemedelsköp och socioekonomiska determinanter under 2006, Göteborg 95+ studien (1996-1998)samt aggregerade data över läkemedelsförsäljning under 2000-2008. Överensstämmelsen mellan de två indikatorerna ”samtidig användning av tre eller flerpsykofarmaka” och PIP undersöktes. Användning av psykofarmaka och PIP studerades i relation till psykiatriska diagnoser och boendeform hos 95-åringar och i relation till socioekonomiska determinanter hos de som var 75 år och äldre. Vidare analyseradesförändring över tid i användning av PIP och rekommenderade psykofarmaka.

Resultat: Hälften av alla äldre som var 75 år och äldre använde psykofarmaka under2006 och en femtedel av alla äldre använde PIP. En fjärdedel av individerna somanvände PIP fångades av indikatorn ”samtidig användning av tre eller flerpsykofarmaka”. Bland 95-åringarna med depression år 1996-1998 använde färre än enav tio antidepressiva läkemedel, medan sömnmedel och ångestdämpande läkemedel varvanligare. PIP var vanligare hos de äldre med låg inkomst och bland de som inte vargifta, jämfört med individer med hög inkomst och de gifta. Under 2000-2008 minskade användningen av PIP medan användningen av rekommenderade psykofarmaka ökade.

Slutsatser: Det finns fortfarande stora problem i äldres användning av psykofarmaka.Avhandlingen visar en låg överensstämmelse mellan två indikatorer för olämpliganvändning av psykofarmaka, vilket pekar på betydelsen av att välja relevantaindikatorer. Avhandlingen visar också på socioekonomiska ojämlikheter i användningenav psykofarmaka hos äldre, en låg användning av antidepressiva läkemedel bland 95-åringar med depression och en ökning i användningen av rekommenderade istället förolämpliga psykofarmaka bland äldre

Place, publisher, year, edition, pages
Nordic School of Public Health NHV Göteborg, Sweden, 2011. 80 p.
Series
NHV Reports and Doctor of Public Health-Theses, ISSN 0283-1961 ; NHV Report 2011:2
Keyword
drug utilisation, psychotropic drugs, elderly, inappropriate drugs, quality indicators, mental disorders, socioeconomic determinants, Sweden, läkemedelsanvändning, psykofarmaka, äldre, olämpliga läkemedel, kvalitetsindikatorer, psykiatriska diagnoser, socioekonomiska determinanter, Sverige
National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:norden:org:diva-3721 (URN)978-91-86739-09-6 (ISBN)
Public defence
2011-05-06, Nordic School of Public Health NHV, Göteborg, Sweden, 13:00 (Swedish)
Opponent
Supervisors
Available from: 2015-02-09 Created: 2015-02-05 Last updated: 2015-02-09Bibliographically approved

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