Polypharmacy and medication use in patients with chronic kidney disease with and without kidney replacement therapy compared to matched controls

Manon J. M. van Oosten*, Susan J. J. Logtenberg, Marc H. Hemmelder, Martijn J. H. Leegte, Henk J. G. Bilo, Kitty J. Jager, Vianda S. Stel

*Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    29 Citations (Scopus)
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    Abstract

    Background. This study aims to examine polypharmacy (PP) prevalence in patients with chronic kidney disease (CKD) Stage G4/G5 and patients with kidney replacement therapy (KRT) compared with matched controls from the general population. Furthermore, we examine risk factors for PP and describe the most commonly dispensed medications.

    Methods. Dutch health claims data were used to identify three patient groups: CKD Stage G4/G5, dialysis and kidney transplant patients. Each patient was matched to two controls based on age, sex and socio-economic status (SES) score. We differentiated between 'all medication use' and 'chronic medication use'. PP was defined at three levels: use of >= 5 medications (PP), >= 10 medications [excessive PP (EPP)] and >= 15 medications [hyper PP (HPP)].

    Results. The PP prevalence for all medication use was 87, 93 and 95% in CKD Stage G4/G5, dialysis and kidney transplant patients, respectively. For chronic medication use, this was 66, 70 and 75%, respectively. PP and comorbidity prevalence were higher in patients than in controls. EPP was 42 times more common in young CKD Stage G4/G5 patients (ages 20-44years) than in controls, while this ratio was 3.8 in patients >= 75years. Older age (64-75 and >= 75years) was a risk factor for PP in CKD Stage G4/G5 and kidney transplant patients. Dialysis patients >= 75years of age had a lower risk of PP compared with their younger counterparts. Additional risk factors in all patients were low SES, diabetes mellitus, vascular disease, hospitalization and an emergency room visit. The most commonly dispensed medications were proton pump inhibitors (PPIs) and statins.

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    Conclusions. CKD Stage G4/G5 patients and patients on KRT have a high medication burden, far beyond that of individuals from the general population, as a result of their kidney disease and a large burden of comorbidities. A critical approach to medication prescription in general, and of specific medications like PPIs and statins (in the dialysis population), could be a first step towards more appropriate medication use.

    Original languageEnglish
    Pages (from-to)2497-2523
    Number of pages27
    JournalClinical Kidney Journal
    Volume14
    Issue number12
    DOIs
    Publication statusPublished - Dec-2021

    Keywords

    • CKD
    • dialysis
    • health claims data
    • kidney transplantation
    • medication use
    • polypharmacy
    • AMBULATORY HEMODIALYSIS-PATIENTS
    • PILL BURDEN
    • OLDER-ADULTS
    • EPIDEMIOLOGY
    • MANAGEMENT
    • COST

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