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Is blocked artery contributing to vascular dementia?

DOCTOR OF THE MONTH - Apr 2014
Apr 2014
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Answered by

Radiologist
Practicing since : 2004
Answered : 6316 Questions
Question
my husband has vascular dementia. Dr says the capillaries are the problem. but is it possible he could have a blocked artery contributing to the problem ? or do capillaries work separately to arteries and veins ? regards. XXXXXXX
Posted Wed, 22 Jan 2014 in Brain and Spine
 
 
Answered by Dr. Indu Kumar 1 hour later
Brief Answer: Yes,small vessels like capillaries are involved. Detailed Answer: Hello XXXX Thanks for writing to XXXXXXX Vascular dementia means dementia due to vascular causes and it involves small blood vessels like capillaries. You need to understand basic anatomy.Artery supply oxygenated blood and it divide into branches like arterioles,capillaries then deoxygenated blood is collection through chain of venules and ultimately drain into large vein. Major blood vessels like artery is not involved in dementia.If it is blocked then it will give rise to other symptoms also. Due to involvement of small blood vessels,blood supply to brain tissues get deranged and it starts dying.This lead to onset of dementia. Blood vessels are involved in many diseases like hypertension,dyslipidemia,Diabetes mellitus etc. Get well soon. Hope i have answered your query. Further queries are most welcome. Take Care Dr.Indu XXXXXXX
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Follow-up: Is blocked artery contributing to vascular dementia? 1 hour later
Thank you for response. One more question... If there is a blocked carotid artery is it possible this would be contributing to vascular dementia ? Regards. XXXXXXX
 
 
Answered by Dr. Indu Kumar 5 hours later
Brief Answer: Yes,plaques in carotid artery may contribute. Detailed Answer: Hello XXXX Thanks for writing back Yes,Atheromatous plaques in carotid vessels may contribute to vascular dementia.Again these plaques are related to hypertension and diabetes mellitus. They may get dislodge from carotid vessels may result in TIA and small infarct and it lead to dementia. Typically vascular dementia occurs due to involvement of small blood vessels like capillaries and commonly these blood vessels are affected due to hypertension,dyslipidemia and diabetes mellitus. Small vessels may also be involved due to other causes like arteritis. Get well soon. Hope i have answered your query. Further queries are most welcome. Take Care Dr.Indu XXXXXXX
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