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Arterial wall function is associated with cognitive performance primarily in elderly with type 2 diabetes.
Ramit Ravona-Springer1, Salo Haratz2, David Tanne2
1Memory Clinic, Sheba Medical Center, Tel Hashomer, Ramat Gan, Israel Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel.
Journal of Alzheimer'S Disease : JAD
|October 30, 2014
Summary
Type 2 diabetes (T2D) is linked to cognitive function. In T2D individuals, arterial wall elasticity and impedance measures correlate with executive function and language performance.
Area of Science:
- Cardiovascular Medicine
- Neuroscience
- Gerontology
Background:
- Type 2 diabetes (T2D) is a growing concern in aging populations.
- Cognitive decline is a significant issue in the elderly, and its relationship with T2D requires further investigation.
- Arterial wall function is increasingly recognized as a potential factor influencing cognitive health.
Purpose of the Study:
- To investigate the association between arterial wall function measures and cognitive performance in elderly males with and without T2D.
- To determine if specific arterial parameters are uniquely related to cognitive domains in T2D.
Main Methods:
- Regression analyses were employed to compare 41 T2D and 131 non-T2D cognitively normal elderly males.
- Arterial wall function was assessed using large artery elasticity index (LAEI), small artery elasticity index (SAEI), systemic vascular resistance (SVR), and total vascular impedance (TVI).
- Cognitive performance was evaluated across memory, language, and executive functions, with adjustments for socio-demographic and cardiovascular factors.
Main Results:
- Higher LAEI and lower TVI were significantly associated with better executive functions in T2D subjects, but not in non-T2D subjects.
- Lower TVI showed a stronger association with better language performance specifically in the T2D group.
- No significant associations were found for SAEI or SVR with cognitive performance in either group.
Conclusions:
- Arterial wall function, particularly LAEI and TVI, is significantly associated with specific cognitive functions (executive functions and language) in elderly males with T2D.
- These findings highlight the potential role of vascular health in maintaining cognitive function among individuals with type 2 diabetes.
- Further research is warranted to explore the underlying mechanisms and potential therapeutic interventions targeting arterial function to support cognition in T2D.
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