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Association Between Prescribing of Cardiovascular and Psychotropic Medications and Hospital Admission for Falls or Fractures

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Abstract

Background and Objective

Falls are a major cause of morbidity and mortality in the elderly. This study examined the frequency of hospital admission for falls or fractures, and the association with a recent change in the use of cardiovascular and psychotropic medications.

Methods

We conducted a retrospective case-cohort study of 39,813 patients aged >65 years from 40 Scottish general practices. Data on current prescriptions, dates of drug changes (defined as increases in dose or starting new drugs), diagnoses and clinical measurements were extracted from primary care electronic records, linked to national hospital admissions data. Multivariable logistic regression was used to model the association of change in prescribing of cardiovascular or psychotropic medication with admission to hospital for falls or fractures in the following 60 days.

Results

A total of 838 patients (2.1 %) were admitted in the 1-year study period. Following adjustment for factors including age, sex, socioeconomic deprivation, co-morbidity and current prescribing, changes in both cardiovascular and psychotropic medications were associated with subsequent admission for falls or fractures (odds ratio [OR] 1.54 [95 % confidence interval (CI) 1.17–2.03] and 1.68 [95 % CI 1.28–2.22], respectively). There was no evidence for a difference in the effect of change in medication for different cardiovascular drug types (p = 0.86), but there was evidence (p = 0.003) for variation in the association between change in different psychotropic medications and admission; the strongest associations were observed for changes in selective serotonin reuptake inhibitor (SSRI) antidepressants (OR 1.99 [95 % CI 1.29–3.08]), non-SSRI/tricyclic antidepressants (OR 4.39 [95 % CI 2.21–8.71]) and combination psychotropic medication (OR 3.05 [95 % CI 1.66–5.63]).

Conclusions

Recent changes in psychotropic and cardiovascular medications are associated with a substantial increase in risk of hospital admission for falls and fractures. Caution should thus be taken when instigating prescribing changes in relation to these medicines, particularly in individuals already considered to be at high risk, such as those with multiple co-morbidities and the oldest old.

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Acknowledgments

This research received no specific support/grant from any funding agency in the public, commercial or not-for-profit sectors. No person or organization other than the authors had any role in the design, conduct, analysis, or interpretation of the results of this study, or the writing of this report. The authors have no conflicts of interest. R.A.P. and S.R.J.M. conceived the study. R.A.P. and G.A.A. contributed to the study design, analysis and interpretation and to the drafting of the article. C.R.S. acquired the data and set up the linked database. All authors contributed to the critical revision of the paper and approval of the final version.

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Authors and Affiliations

  1. Primary Care Unit, University of Cambridge, Institute of Public Health, Forvie Site, Robinson Way, Cambridge, CB2 0SR, UK

    Rupert A. Payne & Gary A. Abel

  2. eHealth Research Group, Centre for Population Health Sciences, The University of Edinburgh, Edinburgh, UK

    Colin R. Simpson

  3. Clinical Pharmacology Unit, The University of Edinburgh, Edinburgh, UK

    Simon R. J. Maxwell

Authors
  1. Rupert A. Payne
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  2. Gary A. Abel
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  3. Colin R. Simpson
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  4. Simon R. J. Maxwell
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Correspondence to Rupert A. Payne.

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Payne, R.A., Abel, G.A., Simpson, C.R. et al. Association Between Prescribing of Cardiovascular and Psychotropic Medications and Hospital Admission for Falls or Fractures. Drugs Aging 30, 247–254 (2013). https://doi.org/10.1007/s40266-013-0058-z

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