Association of diabetes with amnestic and nonamnestic mild cognitive impairment

Rosebud O Roberts, David S Knopman, Yonas Endale Geda, Ruth H. Cha, V. Shane Pankratz, Luke Baertlein, Bradley F Boeve, Eric George Tangalos, Robert J. Ivnik, Michelle M Mielke, Ronald Carl Petersen

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Abstract

Background: Type 2 diabetes may increase the risk of amnestic mild cognitive impairment (aMCI) through Alzheimer's disease (AD)-related and vascular pathology and may also increase the risk of nonamnestic MCI (naMCI) through vascular disease mechanisms. We examined the association of type 2 diabetes with mild cognitive impairment (MCI) and MCI subtype (aMCI and naMCI) overall and by sex. Methods: Participants were Olmsted County, Minnesota residents (70 years and older) enrolled in a prospective, population-based study. At baseline and every 15 months thereafter, participants were evaluated using the Clinical Dementia Rating scale, a neurological evaluation, and neuropsychological testing for a diagnosis of normal cognition, MCI, and dementia by a consensus panel. Type 2 diabetes was ascertained from the medical records of participants at baseline. Results: Over a median 4.0 years of follow-up, 348 of 1450 subjects developed MCI. Type 2 diabetes was associated (hazard ratio [95% confidence interval]) with MCI (1.39 [1.08-1.79]), aMCI (1.58 [1.17-2.15]; multiple domain: 1.58 [1.01-2.47]; single domain: 1.49 [1.09-2.05]), and the hazard ratio for naMCI was elevated (1.37 [0.84-2.24]). Diabetes was strongly associated with multiple-domain aMCI in men (2.42 [1.31-4.48]) and an elevated risk of multiple domain naMCI in men (2.11 [0.70-6.33]), and with single domain naMCI in women (2.32 [1.04-5.20]). Conclusions: Diabetes was associated with an increased risk of MCI in elderly persons. The association of diabetes with MCI may vary with subtype, number of domains, and sex. Prevention and control of diabetes may reduce the risk of MCI and Alzheimer's disease.

Original languageEnglish (US)
Pages (from-to)18-26
Number of pages9
JournalAlzheimer's and Dementia
Volume10
Issue number1
DOIs
StatePublished - Jan 2014

Fingerprint

Type 2 Diabetes Mellitus
Cognitive Dysfunction
Dementia
Alzheimer Disease
Vascular Diseases
Cognition
Medical Records
Blood Vessels
Consensus
Confidence Intervals
Pathology
Population

Keywords

  • Cohort studies
  • Diabetic neuropathy
  • Diabetic retinopathy
  • Incidence
  • Mild cognitive impairment
  • Population-based studies
  • Risk factors
  • Sex differences
  • Type 2 diabetes

ASJC Scopus subject areas

  • Health Policy
  • Epidemiology
  • Geriatrics and Gerontology
  • Psychiatry and Mental health
  • Cellular and Molecular Neuroscience
  • Developmental Neuroscience
  • Clinical Neurology

Cite this

Association of diabetes with amnestic and nonamnestic mild cognitive impairment. / Roberts, Rosebud O; Knopman, David S; Geda, Yonas Endale; Cha, Ruth H.; Pankratz, V. Shane; Baertlein, Luke; Boeve, Bradley F; Tangalos, Eric George; Ivnik, Robert J.; Mielke, Michelle M; Petersen, Ronald Carl.

In: Alzheimer's and Dementia, Vol. 10, No. 1, 01.2014, p. 18-26.

Research output: Contribution to journalArticle

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abstract = "Background: Type 2 diabetes may increase the risk of amnestic mild cognitive impairment (aMCI) through Alzheimer's disease (AD)-related and vascular pathology and may also increase the risk of nonamnestic MCI (naMCI) through vascular disease mechanisms. We examined the association of type 2 diabetes with mild cognitive impairment (MCI) and MCI subtype (aMCI and naMCI) overall and by sex. Methods: Participants were Olmsted County, Minnesota residents (70 years and older) enrolled in a prospective, population-based study. At baseline and every 15 months thereafter, participants were evaluated using the Clinical Dementia Rating scale, a neurological evaluation, and neuropsychological testing for a diagnosis of normal cognition, MCI, and dementia by a consensus panel. Type 2 diabetes was ascertained from the medical records of participants at baseline. Results: Over a median 4.0 years of follow-up, 348 of 1450 subjects developed MCI. Type 2 diabetes was associated (hazard ratio [95{\%} confidence interval]) with MCI (1.39 [1.08-1.79]), aMCI (1.58 [1.17-2.15]; multiple domain: 1.58 [1.01-2.47]; single domain: 1.49 [1.09-2.05]), and the hazard ratio for naMCI was elevated (1.37 [0.84-2.24]). Diabetes was strongly associated with multiple-domain aMCI in men (2.42 [1.31-4.48]) and an elevated risk of multiple domain naMCI in men (2.11 [0.70-6.33]), and with single domain naMCI in women (2.32 [1.04-5.20]). Conclusions: Diabetes was associated with an increased risk of MCI in elderly persons. The association of diabetes with MCI may vary with subtype, number of domains, and sex. Prevention and control of diabetes may reduce the risk of MCI and Alzheimer's disease.",
keywords = "Cohort studies, Diabetic neuropathy, Diabetic retinopathy, Incidence, Mild cognitive impairment, Population-based studies, Risk factors, Sex differences, Type 2 diabetes",
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T1 - Association of diabetes with amnestic and nonamnestic mild cognitive impairment

AU - Roberts, Rosebud O

AU - Knopman, David S

AU - Geda, Yonas Endale

AU - Cha, Ruth H.

AU - Pankratz, V. Shane

AU - Baertlein, Luke

AU - Boeve, Bradley F

AU - Tangalos, Eric George

AU - Ivnik, Robert J.

AU - Mielke, Michelle M

AU - Petersen, Ronald Carl

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N2 - Background: Type 2 diabetes may increase the risk of amnestic mild cognitive impairment (aMCI) through Alzheimer's disease (AD)-related and vascular pathology and may also increase the risk of nonamnestic MCI (naMCI) through vascular disease mechanisms. We examined the association of type 2 diabetes with mild cognitive impairment (MCI) and MCI subtype (aMCI and naMCI) overall and by sex. Methods: Participants were Olmsted County, Minnesota residents (70 years and older) enrolled in a prospective, population-based study. At baseline and every 15 months thereafter, participants were evaluated using the Clinical Dementia Rating scale, a neurological evaluation, and neuropsychological testing for a diagnosis of normal cognition, MCI, and dementia by a consensus panel. Type 2 diabetes was ascertained from the medical records of participants at baseline. Results: Over a median 4.0 years of follow-up, 348 of 1450 subjects developed MCI. Type 2 diabetes was associated (hazard ratio [95% confidence interval]) with MCI (1.39 [1.08-1.79]), aMCI (1.58 [1.17-2.15]; multiple domain: 1.58 [1.01-2.47]; single domain: 1.49 [1.09-2.05]), and the hazard ratio for naMCI was elevated (1.37 [0.84-2.24]). Diabetes was strongly associated with multiple-domain aMCI in men (2.42 [1.31-4.48]) and an elevated risk of multiple domain naMCI in men (2.11 [0.70-6.33]), and with single domain naMCI in women (2.32 [1.04-5.20]). Conclusions: Diabetes was associated with an increased risk of MCI in elderly persons. The association of diabetes with MCI may vary with subtype, number of domains, and sex. Prevention and control of diabetes may reduce the risk of MCI and Alzheimer's disease.

AB - Background: Type 2 diabetes may increase the risk of amnestic mild cognitive impairment (aMCI) through Alzheimer's disease (AD)-related and vascular pathology and may also increase the risk of nonamnestic MCI (naMCI) through vascular disease mechanisms. We examined the association of type 2 diabetes with mild cognitive impairment (MCI) and MCI subtype (aMCI and naMCI) overall and by sex. Methods: Participants were Olmsted County, Minnesota residents (70 years and older) enrolled in a prospective, population-based study. At baseline and every 15 months thereafter, participants were evaluated using the Clinical Dementia Rating scale, a neurological evaluation, and neuropsychological testing for a diagnosis of normal cognition, MCI, and dementia by a consensus panel. Type 2 diabetes was ascertained from the medical records of participants at baseline. Results: Over a median 4.0 years of follow-up, 348 of 1450 subjects developed MCI. Type 2 diabetes was associated (hazard ratio [95% confidence interval]) with MCI (1.39 [1.08-1.79]), aMCI (1.58 [1.17-2.15]; multiple domain: 1.58 [1.01-2.47]; single domain: 1.49 [1.09-2.05]), and the hazard ratio for naMCI was elevated (1.37 [0.84-2.24]). Diabetes was strongly associated with multiple-domain aMCI in men (2.42 [1.31-4.48]) and an elevated risk of multiple domain naMCI in men (2.11 [0.70-6.33]), and with single domain naMCI in women (2.32 [1.04-5.20]). Conclusions: Diabetes was associated with an increased risk of MCI in elderly persons. The association of diabetes with MCI may vary with subtype, number of domains, and sex. Prevention and control of diabetes may reduce the risk of MCI and Alzheimer's disease.

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KW - Diabetic neuropathy

KW - Diabetic retinopathy

KW - Incidence

KW - Mild cognitive impairment

KW - Population-based studies

KW - Risk factors

KW - Sex differences

KW - Type 2 diabetes

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