Benzodiazepine use and risk of stroke: A retrospective population-based cohort study

Wei Shih Huang, Chih Hsin Muo, Shih Ni Chang, Yen Jung Chang, Chon Haw Tsai, Chia Hung Kao*

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

20 引文 斯高帕斯(Scopus)

摘要

Aim The aim of this study was to investigate the possible association between benzodiazepine (BZD) use and risk of incident stroke by utilizing data from 2000 to 2003 from the National Health Insurance system of Taiwan. Methods Study subjects consisted of 38 671 patients with new BZD use and 38 663 people without BZD use who were frequency-matched for age, sex and baseline comorbidity with BZD users. All subjects had no history of stroke. Each study patient's case was followed until a new diagnosis of stroke was made or until the patient was censored by loss to follow up, death, or termination of insurance. The study lasted until the end of 2009. A Cox proportional hazards regression model was used to estimate the incidences and hazard ratios (HR) of stroke. Results The HR of hemorrhagic stroke was significantly lower in the BZD group when compared with the non-BZD group. For patients aged 20-39 years, the HR of ischemic stroke was significantly higher in the BZD group when compared with the non-BZD group. Compared to the non-BZD group, patients with a lower annual dosage (<1 g) or duration (<30 days) of BZD use had a lower risk of stroke in the elder group (P < 0.0001) and patients with a higher annual dosage (≥ 4 g) or duration (≥ 95 days) of BZD use had a higher risk of stroke in all age groups (P < 0.0001). Conclusions Our findings may suggest neuroprotection under lower-dosage BZD use and neurotoxicity under higher-dosage BZD use.

原文英語
頁(從 - 到)255-262
頁數8
期刊Psychiatry and Clinical Neurosciences
68
發行號4
DOIs
出版狀態已發佈 - 2014 4月

ASJC Scopus subject areas

  • 一般神經科學
  • 神經內科
  • 神經病學(臨床)
  • 精神病學和心理健康

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