{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,27]],"date-time":"2026-07-27T19:15:12Z","timestamp":1785179712322,"version":"3.55.0"},"reference-count":31,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2023,1,31]],"date-time":"2023-01-31T00:00:00Z","timestamp":1675123200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Psychogeriatrics"],"published-print":{"date-parts":[[2023,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>This study sought to investigate the frequency and characteristics of duplicate prescriptions (DPs) in elderly psychiatric inpatients using a novel categorisation of DPs that differentiates between appropriate duplicate prescriptions (ADPs) and potentially inappropriate duplicate prescriptions (PIDPs).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>The study was conducted as a monocentric retrospective cross\u2010sectional pilot study on the gerontopsychiatric ward of the Department of Psychiatry, Social Psychiatry and Psychotherapy of Hannover Medical School, a large university hospital in northern Germany. The outcome measures were the nature and frequency of PIDPs compared with the frequency of ADPs.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>For 92 individual patients a total of 339 medication chart reviews were conducted between April 2021 and February 2022. The median age of the study population was 73\u2009years (interquartile range (IQR) 68\u201382\u2009years); 64.6% were female. Patients' medications comprised a median of eight drugs (IQR 6\u201311 drugs) and 43.1% of the study population were exposed to at least one PIDP (at least one grade\u20101 PIDP: 39.5%; at least one grade\u20102 PIDP: 5.0%; at least one grade\u20103 PIDP: 1.5%). Sedatives were most frequently responsible for grade\u20101 and grade\u20102 PIDPs, while grade\u20103 PIDPs were elicited exclusively by analgesics. Nearly half of the study population (49.0%) displayed at least one ADP.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Even though the clinical implications of PIDPs are not fully established to date, we recommend that physicians who treat elderly psychiatric patients pay special attention to PIDPs, especially PIDPs elicited by sedatives. Termination of PIDPs may prevent adverse drug reactions and save healthcare expenditures.<\/jats:p><\/jats:sec>","DOI":"10.1111\/psyg.12940","type":"journal-article","created":{"date-parts":[[2023,2,1]],"date-time":"2023-02-01T04:11:02Z","timestamp":1675224662000},"page":"354-363","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Sedatives and analgesics are major contributors to potentially inappropriate duplicate prescriptions in geriatric psychiatry*"],"prefix":"10.1111","volume":"23","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3262-8137","authenticated-orcid":false,"given":"Martin","family":"Schulze Westhoff","sequence":"first","affiliation":[{"name":"Department of Psychiatry, Social Psychiatry and Psychotherapy Hannover Medical School  Hannover 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