ArticleAmerican journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons2025
Sleep disorders and sleep medications as risk factors for dementia in kidney transplant recipients: A retrospective cohort study.
Article in American journal of transplantation : official journal of the American Society of Transplantation and the American Society of Transplant Surgeons, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Older (aged ≥55 years) kidney transplant (KT) recipients diagnosed with a sleep disorder after transplantation may be at increased risk for developing dementia. Using the United States Renal Data System/Medicare claims (2010-2020), we identified 16 573 older KT recipients with a functioning graft 1-year post-KT. First-time sleep disorders and newly prescribed sleep medications were ascertained within the first year post-KT. We used cause-specific hazard models to estimate the adjusted hazard ratio of diagnosed dementia with inverse probability of treatment weights. Overall, 3615 (21.8%) KT recipients were newly diagnosed with sleep disorders. Recipients diagnosed with a sleep disorder had a 1.32-fold increased risk for dementia (95% CI:1.15-1.51); those with insomnia had a 1.56-fold increased risk (95% CI:1.20-2.03). Of those diagnosed with insomnia, only 7.5% underwent cognitive behavioral therapy for insomnia. Of the recipients, 12.9% with a sleep disorder were prescribed sleep medications. Recipients prescribed sleep medication had a 1.44-fold increased risk for dementia (95% CI:1.16-1.77). Those prescribed zolpidem, the most commonly prescribed medication (80.1%), had a 1.41-fold increased risk (95% CI:1.12-1.78) for dementia; those prescribed other sleep medications had 3.13-fold (95% CI:1.41-6.98) increased risk for dementia. Post-KT sleep disorders are modifiable dementia risk factors; medication-associated dementia risk should be weighed against other therapies such as cognitive behavioral therapy for insomnia during management.
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