Cognitive and renal dysfunction in the elderly

ABSTRACT Cognitive impairment has been associated with several diseases and organic disturbances but few studies have explored the relationship between renal function and cognition. Objective: The aim of this study was to compare the renal function of elderly patients with and without Alzheimer...

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Main Authors: Francisco Souza do Carmo, Sueli Luciano Pires, Milton Luiz Gorzoni, Luiz Antonio Miorin
Format: Article
Language:English
Published: Associação Neurologia Cognitiva e do Comportamento
Series:Dementia & Neuropsychologia
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1980-57642013000400397&lng=en&tlng=en
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author Francisco Souza do Carmo
Sueli Luciano Pires
Milton Luiz Gorzoni
Luiz Antonio Miorin
author_facet Francisco Souza do Carmo
Sueli Luciano Pires
Milton Luiz Gorzoni
Luiz Antonio Miorin
author_sort Francisco Souza do Carmo
collection DOAJ
description ABSTRACT Cognitive impairment has been associated with several diseases and organic disturbances but few studies have explored the relationship between renal function and cognition. Objective: The aim of this study was to compare the renal function of elderly patients with and without Alzheimer's disease, and to identify potential associated comorbidities, as well as the presence of microalbuminuria. Methods: A group of 60 patients with dementia syndrome and probable Alzheimer's disease, and 20 patients without dementias, followed at the Geriatric outpatient unit of the Santa Casa de São Paulo Hospital, were selected for this study. Results: The results showed that the groups studied differed in terms of age, gender and Mini-Mental State Exam score, but no statistical difference was found for the presence of comorbidities (diabetes mellitus, dyslipidemia and systemic arterial hypertension). A significant difference in estimated creatinine clearance was observed between the two groups, with the Alzheimer's disease patients presenting significantly lower values than control subjects. Similarly, analysis of a portion of the two groups for the presence of microalbuminuria revealed a statistically significant difference between the two groups. Conclusion: The study conclusions were that patients with Alzheimer's disease had lower glomerular filtration and a higher incidence of microalbuminuria, yet without having more classic risk factors for Alzheimer's disease such as systemic arterial hypertension, diabetes mellitus or dyslipidemia.
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spelling doaj.art-735564f753054c31a8bc1813793ba0ac2022-12-21T23:24:05ZengAssociação Neurologia Cognitiva e do ComportamentoDementia & Neuropsychologia1980-57647439740210.1590/S1980-57642013DN74000007S1980-57642013000400397Cognitive and renal dysfunction in the elderlyFrancisco Souza do CarmoSueli Luciano PiresMilton Luiz GorzoniLuiz Antonio MiorinABSTRACT Cognitive impairment has been associated with several diseases and organic disturbances but few studies have explored the relationship between renal function and cognition. Objective: The aim of this study was to compare the renal function of elderly patients with and without Alzheimer's disease, and to identify potential associated comorbidities, as well as the presence of microalbuminuria. Methods: A group of 60 patients with dementia syndrome and probable Alzheimer's disease, and 20 patients without dementias, followed at the Geriatric outpatient unit of the Santa Casa de São Paulo Hospital, were selected for this study. Results: The results showed that the groups studied differed in terms of age, gender and Mini-Mental State Exam score, but no statistical difference was found for the presence of comorbidities (diabetes mellitus, dyslipidemia and systemic arterial hypertension). A significant difference in estimated creatinine clearance was observed between the two groups, with the Alzheimer's disease patients presenting significantly lower values than control subjects. Similarly, analysis of a portion of the two groups for the presence of microalbuminuria revealed a statistically significant difference between the two groups. Conclusion: The study conclusions were that patients with Alzheimer's disease had lower glomerular filtration and a higher incidence of microalbuminuria, yet without having more classic risk factors for Alzheimer's disease such as systemic arterial hypertension, diabetes mellitus or dyslipidemia.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1980-57642013000400397&lng=en&tlng=enelderlyAlzheimer's diseasedementiarenal functionalbuminuria.
spellingShingle Francisco Souza do Carmo
Sueli Luciano Pires
Milton Luiz Gorzoni
Luiz Antonio Miorin
Cognitive and renal dysfunction in the elderly
Dementia & Neuropsychologia
elderly
Alzheimer's disease
dementia
renal function
albuminuria.
title Cognitive and renal dysfunction in the elderly
title_full Cognitive and renal dysfunction in the elderly
title_fullStr Cognitive and renal dysfunction in the elderly
title_full_unstemmed Cognitive and renal dysfunction in the elderly
title_short Cognitive and renal dysfunction in the elderly
title_sort cognitive and renal dysfunction in the elderly
topic elderly
Alzheimer's disease
dementia
renal function
albuminuria.
url http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1980-57642013000400397&lng=en&tlng=en
work_keys_str_mv AT franciscosouzadocarmo cognitiveandrenaldysfunctionintheelderly
AT suelilucianopires cognitiveandrenaldysfunctionintheelderly
AT miltonluizgorzoni cognitiveandrenaldysfunctionintheelderly
AT luizantoniomiorin cognitiveandrenaldysfunctionintheelderly