atherosclerosis
DESCRIPTION
TRANSCRIPT
maryam al-qahtani Group: 6Case 1 A
Introduction
Learning Objective
Risk factor of atherosclerosis ? How
are they regulate ?
How do they risk factor contribute
to the pathogenesis of
atherosclerosis? (Summarize)
Clinic manifestations of
atherosclerosis .
Risk factor:
Permanent factors
Co-existing conditions
Lifestyle, social and environmental
factors
Risk factor:
Age:
1
Gender:
MaleFemale
Family history
High blood pressure
Diabetes
Hyperlipidaemia
2
Cigarette smoking
Overweight or obesity
3
Sedentary lifestyle:low physical exercise
High stress
Control (regulate)
Risk Factors
UncontrollableUncontrollable
•Sex
•Hereditary
•Race
•Age
ControllableControllable
•High blood pressure
•High blood cholesterol
•Smoking
•Physical activity
•Obesity
•Diabetes
•Stress and anger
pathogenesis
4 main stages :
1. Chronic endothelial injury
2. Accumulation of lipoproteins
3. Resultant Inflammation & Factor release
4. Smooth muscle cell recruitment, proliferation and
ECM production.
pathogenesis
Chronic endothelial injury1
increased endothelial permeability
enhanced leukocyte (monocyte and T lymphocyte ) and platelet adhesion
Monocyte migrationlesions
Endothelial dysfunction
Smooth muscle cell recruitment, proliferation and ECM production.
Finally
Summary
Clinical manifestations
Pain and severe cramp in the right calf on exercise
Absent pulses of the right arterioles of the right foot and ankle.
Bruits over arteries
Dry skin
Low skin temperature of the right foot.
Atrophy
lack of hair on right lower leg and foot
Summary
Reference
• Clinic medicine book• Merck Manual book• http://sphweb.bumc.bu.edu/otlt/MPH-Modules/PH/PH709_H
eart/PH709_Heart3.html• http://www.slideshare.net/slideshow/embed_code/11843653• http://www.merckmanuals.com/home/heart_and_blood_ves
sel_disorders/atherosclerosis/atherosclerosis.html#v1652416• http://www.nhlbi.nih.gov/health//dci/Diseases/Atheroscleros
is/atherosclerosis_risk.html
Good lifestyleHealthy life
Thank
you…