Abstract:
BACKGROUND:There is a high prevalence of cognitive impairment in dialysis patients. The prevalence of cognitive impairment after kidney transplantation is unknown. METHODS:Study Design: Cross-sectional study. SETTING AND PARTICIPANTS:Single center study of prevalent kidney transplant recipients from a transplant clinic in a large academic center. INTERVENTION:Assessment of cognition using the Montreal Cognitive Assessment (MoCA). Demographic and clinical variables associated with cognitive impairment were also examined. Outcomes and Measurements: a) Prevalence of cognitive impairment defined by a MoCA score of <26. b) Multivariable linear and logistic regression to examine the association of demographic and clinical factors with cognitive impairment. RESULTS:Data from 226 patients were analyzed. Mean (SD) age was 54 (13.4) years, 73% were white, 60% were male, 37% had diabetes, 58% had an education level of college or above, and the mean (SD) time since kidney transplant was 3.4 (4.1) years. The prevalence of cognitive impairment was 58.0%. Multivariable linear regression demonstrated that older age, male gender and absence of diabetes were associated with lower MoCA scores (p < 0.01 for all). Estimated glomerular filtration rate (eGFR) was not associated with level of cognition. The logistic regression analysis confirmed the association of older age with cognitive impairment. CONCLUSION:Cognitive impairment is common in prevalent kidney transplant recipients, at a younger age compared to general population, and is associated with certain demographic variables, but not level of eGFR.
journal_name
BMC Nephroljournal_title
BMC nephrologyauthors
Gupta A,Mahnken JD,Johnson DK,Thomas TS,Subramaniam D,Polshak T,Gani I,John Chen G,Burns JM,Sarnak MJdoi
10.1186/s12882-017-0570-1subject
Has Abstractpub_date
2017-05-12 00:00:00pages
158issue
1issn
1471-2369pii
10.1186/s12882-017-0570-1journal_volume
18pub_type
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