Atherosclerosis And Risk Factors Flashcards
What are characteristics of atherosclerosis?
Lipid deposition
Fibrosis
Chronic inflammation
name 3 constitutional/immutable risk factors
Age
Gender
Family history
Name 4 major acquired risk factors
Hypertension
Raised LDL
DM
Smoking
Name some minor risk factors
Obesity Sedentary life style Stress Oral contraceptives Hyperuricaemia Hyperhomocysteinaemia
Name the spectrum of lesions
Fatty streak
Fibrolipid plaque
Complicated
Name 4 complicated lesions
Endothelial erosion with thrombus formation
Plaque rupture or fissuring
Aneurysm formation
Embolism
What is advanced atherosclerotic plaque made up of?
Maacrophages
Lymphocytes
Smooth muscle
Layer of fibrous tissure
What stimulates the proliferation of intimal smooth muscle?
Platelet derived growth factor (PDGF)
High LDL correlates with high incidence and death rates of?
Coronary artery disease (atherosclerosis)
Atherosclerosis is also a major cause of?
Organ ischaemia and MI
Name some modifiable risk factors for IHD
Smoking Diet Exercise Obesity Hypertension DM
Insulin resistance syndrome
Central obesity
Insulin resistance
Hypertension
Dyslipidaemia
What strategies are used in primary prevention?
Screening
Mass education
Low cost measures
Strict risk factor control values
LDL <7.8
Best tools to select pts at high risk
Stress ECG
Elevated CRP
Microalbuminuria