Benzodiazepine therapy in psychiatric outpatients is associated with deliberate self-poisoning events at emergency departments - A population-based nested case-control study

Hsin I. Shih, Ming Chia Lin, Che Chen Lin, Hsiang Chin Hsu, Hsin Ling Lee, Chih Hsien Chi, Fung Chang Sung, Yen Jung Chang*, 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

24 引文 斯高帕斯(Scopus)

摘要

Rationale: Deliberate self-poisoning (DSP), the most common form of deliberate self-harm, is closely associated with suicide. Identifying risk factors of DSP is necessary for implementing prevention strategies. Objectives: This study aimed to evaluate the relationship between benzodiazepine (BZD) treatment in psychiatric outpatients and DSP cases at emergency departments (EDs). Methods: We performed a retrospective nested case-control study of psychiatric patients receiving BZD therapy to evaluate the relationship between BZD use and the diagnosis of DSP at EDs using data from the nationwide Taiwan National Health Insurance Research Database. Results: Regression analysis yielded an odds ratio (OR) and 95 % confidence interval (95 % CI) indicating that the use of BZDs in psychiatric outpatients was significantly associated with DSP cases at EDs (OR = 4.46, 95 % CI = 3.59-5.53). Having a history of DSP, sleep disorders, anxiety disorders, schizophrenia, depression, or bipolar disorder was associated with a DSP diagnosis at EDs (OR = 13.27, 95 % CI = 8.28-21.29; OR = 5.04, 95 % CI = 4.25-5.98; OR = 3.95, 95 % CI = 3.32-4.70; OR = 7.80, 95 % CI = 5.28-11.52; OR = 15.20, 95 % CI = 12.22-18.91; and OR = 18.48, 95 % CI = 10.13-33.7, respectively). After adjusting for potential confounders, BZD use remained significantly associated with a subsequent DSP diagnosis (adjusted OR = 2.47, 95 % CI = 1.93-3.17). Patients taking higher average cumulative BZD doses were at greater risk of DSP. Conclusion: Vigilant evaluation of the psychiatric status of patients prescribed with BZD therapy is critical for the prevention of DSP events at EDs.

原文英語
頁(從 - 到)665-671
頁數7
期刊Psychopharmacology
229
發行號4
DOIs
出版狀態已發佈 - 2013 十月
對外發佈

ASJC Scopus subject areas

  • 藥理

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