Drug prescribing changes in the last year of life among homebound older adults : national retrospective cohort study

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HATTORI, Yukari | HAMADA, Shota | YAMANAKA, Takashi | KIDANA, Kiwami | IWAGAMI, Masao | SAKATA, Nobuo | TAMIYA, Nanako | KOJIMA, Taro | OGAWA, Sumito | AKISHITA, Masahiro

Objectives: This study aimed to evaluate the prescription patterns of drugs during the last year of life in homebound older adults who received home medical care. Methods: We used a nationwide claims database in Japan and selected older adults aged =75 years who received home medical care services from =12 months before their death. We evaluated medications prescribed 12 months before death (month 12), 3 months before death (month 3) and in the last month of life (month 1). We explored the factors associated with the decreased number of cardiovascular preventive drugs from month 12 to both month 3 and month 1. Results: A total of 118 661 participants were included, and the majority were aged =90 years and women. The prevalence of cardiovascular preventive drugs decreased but remained common in month 1, which included antihypertensives (34.7%), antiplatelets (15.9%), oral anticoagulants (7.6%), antidiabetic drugs (7.3%) and lipid-lowering drugs (6.1%). The relative decrease from month 12 to month 1 was the largest for lipid-lowering drugs (44.8%) and the smallest for oral anticoagulants (13.6%). Among other drugs, laxatives (enema), antiemetics, oral corticosteroids, analgesics, expectorants, bronchodilators and antibiotics showed a large relative increase. Older age, duration of home medical care services for <1 year and diagnoses of cancer, dementia and Parkinson's disease were associated with a greater likelihood of a decreased number of cardiovascular preventive drugs. Conclusions: There is room for deprescribing to avoid inappropriate polypharmacy by balancing preventive and symptom management drugs in those receiving home medical care with a limited life expectancy.

http://dx.doi.org/10.1136/spcare-2022-003639

Voir la revue «BMJ supportive & palliative care, 13»

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