Lecture 12 - Osteoporosis Flashcards
How man people are diagnosed with osteoporosis?
2 million
How do we detect osteoporosis?
Normally unaware until a fall or fracture occurs
What is the most common fracture?
Hip
-costs a lot because of surgery, hospital stay and complications
Why is there a decreasing trend in osteoporosis in Canada?
Better diagnosis and better treatments
What are the 2 types of osteoporosis?
Type 1: loss of trabecular bone (mostly environmental)
Type 2: loss of cortical bone (mostly genetic)
What are some things to prevent osteoporosis?
Change sedentary lifestyle
Increase Vit D and Ca
Dont smoke or drink
Low BMI
What is the strongest predictor of osteoporosis?
Age is the strongest predictor
What are strategies to maintaining bone density?
Max bone mass and minimize loss
What is the 2nd strongest predictor of bone loss?
Gender
- females have smaller frame to start, so lower bone density and loss of estrogen increases bone loss
- also amenorrhea or low body weight
Is osteoporosis hereditary?
It may be, family history is a risk factor
Ethnicity may play a role: decreased risk if you’re from African descent
Why is caffeine bad for bones?
Caffeine intake increases Ca excretion
Can smoking and drinking affect bone?
Yes, but once the activity is stopped the damage is reversible in most cases
What helps promote bone growth?
Lifting weights helps regulate hormones and promote an increase in bone density
-higher body weight may be protective
