PloS one · 2026
Association between hypnotic medication use and in-hospital falls among older adults: A multicenter landmark analysis.
СтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод в очереди
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Nishino Takuya, Kubota Yoshiaki, Miyagi Yasuo, Tanabe Nari, Yamaguchi Fumiko, Ito Hiroki, Soh Shizuka, Yano Ayako, Mizuno Masako, Kim Chol, Ishii Yosuke, Kondo Yukihiro, Asai Kuniya
Аннотация
BACKGROUND: Hypnotics are frequently prescribed to hospitalized older adults, but comparative evidence on fall risk across hypnotic classes remains inconsistent, partly due to confounding by indication and inadequate consideration of time at risk during hospitalization.
METHODS: We conducted a retrospective multicenter landmark analysis using administrative claims and electronic medical records from two acute-care hospitals in Japan (2018-2024). A day-7 landmark was defined, including patients aged ≥65 years who remained hospitalized and fall-free through hospital day 7. Sustained hypnotic exposure during hospital days 4-7 (≥2 days) was categorized as no sustained use, benzodiazepines/Z-drugs (BZ/Zs) alone, orexin receptor antagonists or ramelteon (ORA/Ram) alone, or combination therapy. The primary outcome was time to first in-hospital fall during hospital days 8-37. Cox proportional hazards models with multiple imputation were used. Competing-risk analyses and propensity score-matched comparisons between single-class users were conducted as sensitivity analyses.
RESULTS: Among 61,663 patients, 3,884 (6.3%) experienced an in-hospital fall after the landmark. Compared with no sustained hypnotic use, adjusted hazard ratios (HRs) for falls were 1.42 (95% CI, 1.24-1.64) for BZ/Zs, 1.46 (95% CI, 1.25-1.70) for ORA/Ram, and 1.42 (95% CI, 1.05-1.91) for combination therapy. Results were consistent in competing-risk analyses. In propensity score-matched analyses restricted to single-class users, fall risk did not differ significantly between BZ/Zs and ORA/Ram (adjusted HR, 0.98; 95% CI, 0.75-1.28).
CONCLUSIONS: Sustained hypnotic use during hospitalization was associated with a higher incidence of in-hospital falls among older adults. After adjustment for measured clinical factors and treatment selection, no significant difference in fall risk was observed between BZ/Zs and ORA/Ram.
METHODS: We conducted a retrospective multicenter landmark analysis using administrative claims and electronic medical records from two acute-care hospitals in Japan (2018-2024). A day-7 landmark was defined, including patients aged ≥65 years who remained hospitalized and fall-free through hospital day 7. Sustained hypnotic exposure during hospital days 4-7 (≥2 days) was categorized as no sustained use, benzodiazepines/Z-drugs (BZ/Zs) alone, orexin receptor antagonists or ramelteon (ORA/Ram) alone, or combination therapy. The primary outcome was time to first in-hospital fall during hospital days 8-37. Cox proportional hazards models with multiple imputation were used. Competing-risk analyses and propensity score-matched comparisons between single-class users were conducted as sensitivity analyses.
RESULTS: Among 61,663 patients, 3,884 (6.3%) experienced an in-hospital fall after the landmark. Compared with no sustained hypnotic use, adjusted hazard ratios (HRs) for falls were 1.42 (95% CI, 1.24-1.64) for BZ/Zs, 1.46 (95% CI, 1.25-1.70) for ORA/Ram, and 1.42 (95% CI, 1.05-1.91) for combination therapy. Results were consistent in competing-risk analyses. In propensity score-matched analyses restricted to single-class users, fall risk did not differ significantly between BZ/Zs and ORA/Ram (adjusted HR, 0.98; 95% CI, 0.75-1.28).
CONCLUSIONS: Sustained hypnotic use during hospitalization was associated with a higher incidence of in-hospital falls among older adults. After adjustment for measured clinical factors and treatment selection, no significant difference in fall risk was observed between BZ/Zs and ORA/Ram.