Hypnotics Use and Falls in Hospital Inpatients Stratified by Age

Masayoshi Zaitsu, Yoko Kurita, Maki Iwahana, Hitomi Akiyama, Fujiko Watanabe, Akiro Higashikawa, Rena Kaneko, Ryota Konishi, Mitsuko Itoh and Yasuki Kobayashi

Global Journal of Health Science, 2017, vol. 9, issue 4, 148

Abstract: BACKGROUND- Little is known about the association between hypnotics use and falls among inpatients in young and middle-aged populations. We aimed to determine whether the use of hypnotics elevated the fall risk in adult inpatients aged 20 and above.METHODS- Patients admitted to the Kanto Rosai Hospital, Kanagawa, Japan, between April 1, 2013 and January 31, 2014 were followed up until discharge. We estimated the incidence rate ratio (IRR) and 95% confidence intervals (CI) of falls for the use of hypnotic drugs with a Poisson regression model, adjusted for sex, age, activities of daily living, and comorbidities.RESULTS- For the 6,949 inpatients whose medical records were examined, the incidence of falls was significantly higher in hypnotics’ users than in non-users. The IRR was 1.52 (95% CI, 1.10-2.11). When stratified by age, the risk of hypnotics use in the patients aged 65 and above was statistically elevated (IRR, 1.48; 95% CI, 1.02-2.13); the risk in the patients aged 25-64 was elevated but not significant (IRR, 1.33; 95% CI, 0.63-2.81).CONCLUSION- Usage of hypnotics elevated fall risk in the older inpatients, though this association was not significant in the young and middle-aged inpatients. Further studies are needed.

Date: 2017
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