The Effect of Patient Age on Anticholinergic Use in the Elderly Japanese Population —Differences between Four Anticholinergic Scales

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  • 木村 友美
    アステラス製薬株式会社アドバンストインフォマティックス＆アナリティックス
  • 加藤 大輔
    アステラス製薬株式会社メディカルアフェアーズ
  • 西村 拓矢
    アステラス製薬株式会社アドバンストインフォマティックス＆アナリティックス
  • Van Schyndle James
    アステラスアメリカアドバンストインフォマティックス＆アナリティックス
  • 宇野 慧
    アステラス製薬株式会社データサイエンス
  • 吉田 正貴
    国立長寿医療センター泌尿器科

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タイトル別名
  • The Effect of Patient Age on Anticholinergic Use in the Elderly Japanese Population : Differences between Four Anticholinergic Scales

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<p>We previously reported that anticholinergic (AC) drug use increases with age in the elderly Japanese population. In this analysis, we investigated attribution for each AC drug type to total AC burden using different elderly age groups. Prescription records (from 09/23/2015 to 12/31/2016) for outpatients using any AC were extracted from pharmacy claims (primary source) and hospital-based databases. AC burden (number of AC drugs and AC score) and AC type were assessed using the Anticholinergic Cognitive Burden (ACB) scale, Anticholinergic Drug Scale (ADS), Anticholinergic Risk Scale (ARS), and Beers criteria. Age was categorized using three subgroups (65-74, 75-84, and ≥85 years). Overall, 125426, 140634, 35628, and 23149 of the pharmacy outpatients received ≥1 AC drug from the ACB scale, ADS, ARS, or Beers criteria, respectively. The number of AC drugs increased with age for the ACB scale and ADS groups; but decreased for the ARS and Beers criteria. Antihypertensives provided the biggest contribution to AC score using the ACB scale and ADS, and antihistamines for the ARS. Proportional attribution to AC score typically increased with age for antihypertensives (ADS highest proportion: 34.6% for ≥85 years) and cardiac agents, but decreased for antihistamines (ARS lowest proportion: 15.3% for ≥85 years), corticosteroids, and antiepileptics. Similar findings were typically observed for the hospital database. In conclusion, antihypertensives were the principal type of AC drugs using the ACB scale and ADS and their attribution to AC score increased with age. Antihistamines were the principal drug type for the ARS.</p>

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  • 薬学雑誌

    薬学雑誌 140 (5), 701-710, 2020-05-01

    公益社団法人 日本薬学会

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