Balance dysfunction the most significant cause of in-hospital falls in patients taking hypnotic drugs: A retrospective study

Ryuki Hashida, Hiroo Matsuse, Shinji Yokoyama, Sayuri Kawano, Eriko Higashi, Hiroshi Tajma, Masafumi Bekki, Sohei Iwanaga, Koji Hara, Yosuke Nakamura, Yuji Kaneyuki, Takeshi Nago, Yoshihiro Fukumoto, Motohiro Ozone, Naohisa Uchimura and Naoto Shiba

PLOS ONE, 2022, vol. 17, issue 9, 1-11

Abstract: Purpose: Preventing falls in patients is one of the most important concerns in acute hospitals. Balance disorder and hypnotic drugs lead to falls. The Standing Test for Imbalance and Disequilibrium (SIDE) is developed for the evaluation of static standing balance ability. There have been no reports of a comprehensive assessment of falls risk including hypnotic drugs and SIDE. The purpose of this study was to investigate the fall rate of each patient who took the hypnotic drug and the factor associated with falls. Methods: Fall rates for each hypnotic drug were calculated as follows (number of patients who fell/number of patients prescribed hypnotic drug x 100). We investigated the hypnotic drugs as follows; benzodiazepine drugs, Z-drugs, melatonin receptor agonists, and orexin receptor antagonists. Hypnotic drug fall rate was analyzed using Pearson’s chi-square test. Decision tree analysis is the method we used to discover the most influential factors associated with falls. Results: This study included 2840 patients taking hypnotic drugs. Accidents involving falls were reported for 211 of inpatients taking hypnotic drugs. Z-drug recipients had the lowest fall rate among the hypnotic drugs. We analyzed to identify independent factors for falls, a decision tree algorithm was created using two divergence variables. The SIDE levels indicating balance disorder were the initial divergence variable. The rate of falls in patients at SIDE level ≦ 2a was 14.7%. On the other hand, the rate of falls in patients at SIDE level ≧ 2b was 2.9%. Gender was the variable for the second classification. In this analysis, drugs weren’t identified as divergence variables for falls. Conclusion: The SIDE balance assessment was the initial divergence variable by decision tree analysis. In order to prevent falls, it seems important not only to select appropriate hypnotic drugs but also to assess patients for balance and implement preventive measures.

Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0272832

DOI: 10.1371/journal.pone.0272832

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