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Background: The association between acupuncture treatment and post-stroke urinary tract infection (UTI) remains incompletely understood.Objective: To compare the long-term risks of UTI among stroke patients treated with or without acupuncture treatment.Methods: This retrospective cohort study was based on data from the National Health Insurance Research Database in Taiwan that included hospitalized stroke patients. We identified 19,286 patients aged 30 years and older who were hospitalized for newly diagnosed stroke between 1 January 2000 and 31 December 2004. Considering immortal time bias, we compared the incidence of UTI during the follow-up period until the end of 2009 in patients with stroke who did and did not receive acupuncture. The adjusted hazard ratios (HRs) and 95% confidence intervals (CIs) of UTI associated with acupuncture were calculated using multivariate Cox proportional hazard regression analysis.Results: Stroke patients who received acupuncture treatment experienced a lower incidence of UTI than those who were not treated with acupuncture (95.4 vs 110.0 per 1000 person-years) with an HR of 0.76 (95% CI: 0.73–0.80). The association between acupuncture treatment and UTI was significant for both sexes and for patients older than 40 years of age, particularly for patients who had no history of medical conditions.Conclusions: In this nationwide retrospective cohort study, we raised the possibility that acupuncture treatment may be associated with a reduced risk of UTI among stroke patients. However, the protective effect associated with acupuncture treatment requires further validation using randomized clinical trials.

Depressive disorders (DD) affect not only mood and behavior but also various physical functions. Traditional Chinese medicine (TCM) has been shown to have some benefits in treating DD. However, one formula or one single herb might be not show high efficacy when used to treat depression. Thus, this study aimed to examine the core prescription pattern of Chinese herbal medicine (CHM) among patients with DD in Taiwan as a reference for related research and clinical applications.