Serum lipoprotein pattern variations in dementia and ischemic stroke.

Area of Science:

• Neuroscience
• Cardiovascular Science
• Biochemistry

Background:

• Cerebrovascular diseases and dementia are significant health concerns.
• Lipid metabolism alterations are implicated in neurological disorders.
• Understanding lipid profiles in different dementia and stroke types is crucial for risk assessment.

Purpose of the Study:

• To compare blood lipid profiles, including triglycerides, total cholesterol, lipoprotein fractions (VLDL-LDL- and HDL-cholesterol), and apoproteins (Apo-A1 and Apo-B).
• To investigate these profiles in patients with multi-infarct dementia, Alzheimer-type dementia, and ischemic stroke due to carotid atherosclerosis.
• To establish reference values using healthy control subjects.

Main Methods:

• A cohort of 40 patients was studied, with 10 patients in each of the four groups: multi-infarct dementia, Alzheimer-type dementia, ischemic stroke, and controls.
• Blood samples were analyzed for triglycerides, total cholesterol, VLDL-LDL-cholesterol, HDL-cholesterol, Apo-A1, and Apo-B levels.

Main Results:

• Alzheimer's disease patients exhibited significantly higher mean total cholesterol and Apo-B levels compared to controls.
• Ischemic stroke patients showed significantly elevated Apo-B levels relative to controls.
• Stroke patients presented with the lowest mean HDL-cholesterol (HDL-c) values.
• No significant differences in mean HDL-c levels were observed between multi-infarct dementia and Alzheimer-type dementia patients.

Conclusions:

• Elevated total cholesterol and Apo-B are associated with Alzheimer's disease.
• Increased Apo-B and decreased HDL-c are linked to ischemic stroke.
• Lipid profile variations may serve as biomarkers for differentiating or assessing risk in various neurological conditions.