Presentation_1_Prescription of Anticholinergic Drugs in Patients With Schizophrenia: Analysis of Antipsychotic Prescription Patterns and Hospital Char.PPTX (48.25 kB)
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Presentation_1_Prescription of Anticholinergic Drugs in Patients With Schizophrenia: Analysis of Antipsychotic Prescription Patterns and Hospital Characteristics.PPTX

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posted on 17.05.2022, 04:25 authored by Hikaru Hori, Norio Yasui-Furukori, Naomi Hasegawa, Jun-ichi Iga, Shinichiro Ochi, Kayo Ichihashi, Ryuji Furihata, Yoshitaka Kyo, Yoshikazu Takaesu, Takashi Tsuboi, Fumitoshi Kodaka, Toshiaki Onitsuka, Tsuyoshi Okada, Atsunobu Murata, Hiroko Kashiwagi, Hitoshi Iida, Naoki Hashimoto, Kazutaka Ohi, Hisashi Yamada, Kazuyoshi Ogasawara, Yuka Yasuda, Hiroyuki Muraoka, Masahide Usami, Shusuke Numata, Masahiro Takeshima, Hirotaka Yamagata, Tatsuya Nagasawa, Hiromi Tagata, Manabu Makinodan, Mikio Kido, Eiichi Katsumoto, Hiroshi Komatsu, Junya Matsumoto, Chika Kubota, Kenichiro Miura, Akitoyo Hishimoto, Koichiro Watanabe, Ken Inada, Hiroaki Kawasaki, Ryota Hashimoto

In several clinical guidelines for schizophrenia, long-term use of anticholinergic drugs is not recommended. We investigated the characteristics of the use of anticholinergics in patients with schizophrenia by considering psychotropic prescription patterns and differences among hospitals. A cross-sectional, retrospective prescription survey at the time of discharge was conducted on 2027 patients with schizophrenia from 69 Japanese hospitals. We examined the relations among psychotropic drug prescriptions regarding anticholinergic prescription. We divided the hospitals into three groups—low rate group (LG), medium rate group (MG), and high rate group (HG)—according to their anticholinergic prescription rates, and analyzed the relationship between anticholinergic prescription rates and antipsychotic prescription. Anticholinergic drugs were prescribed to 618 patients (30.5%), and the prescription rates were significantly higher for high antipsychotic doses, antipsychotic polypharmacy, and first-generation antipsychotics (FGAs) use. The anticholinergic prescription rate varied considerably among hospitals, ranging from 0 to 66.7%, and it was significantly higher in patients with antipsychotic monotherapy, antipsychotic polypharmacy, and normal and high doses of antipsychotics in HG than in those LG and MG. The anticholinergics prescription rate in patients with second-generation antipsychotic monotherapy in HG was also significantly higher than in those LG and MG; however, the difference was no longer significant in patients with FGA monotherapy. Conclusively, in addition to high antipsychotic doses, antipsychotic polypharmacy, and FGA use, hospital characteristics influence the prescribing of anticholinergic drugs.

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