Elsevier

Kidney International

Volume 72, Issue 11, 1 December 2007, Pages 1388-1393
Kidney International

Original Article
Benzodiazepine use and mortality of incident dialysis patients in the United States

https://doi.org/10.1038/sj.ki.5002548Get rights and content
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Benzodiazepines and other omega-receptor agonists are frequently used for sleep and anxiety disorders. We studied the rates, correlates, and safety of individual benzodiazepines and zolpidem use from the records of 3690 patients in a national cohort of Dialysis Morbidity and Mortality Study Wave 2 data. We assessed drug utilization and an association between drug use and all-cause mortality. Overall, 14% of incident dialysis patients used a benzodiazepine or zolpidem. Women, Caucasians, current smokers, and patients with chronic obstructive pulmonary disease were more likely to use these drugs, whereas patients with cerebrovascular disease were less likely to use these drugs. In adjusted analyses, benzodiazepine or zolpidem use was associated with a 15% higher mortality rate. Chronic obstructive pulmonary disease significantly modified this association, suggesting that these patients were at higher risk. No association was found between benzodiazepine use and greater risk for hip fracture. We conclude that benzodiazepine or zolpidem use is common in incident dialysis patients and may be associated with greater mortality. Further studies are needed to elucidate the safety of these drugs in the dialysis population, which may lead to cautious and restrictive utilization of omega-receptor agonists in dialysis patients.

KEYWORDS

benzodiazepines
omega-receptor agonists
zolpidem
adverse events
drug safety
chronic obstructive pulmonary disease

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