Osteoporosis Flashcards
Define osteoporosis
Microarchitectural deterioration of bone tissue leading to decreased bone mass
Osteoporosis affects ____ people in the US
10 million
After your 20s, the point of ________ _____ for bone mass has been passed, and you can’t really build much more
genetic potential
What sites does a DXA scan typically measure?
spine, proximal femur, forearm, total body
What is a T score?
- for osteoporosis
- for osteopenia
number of standard deviations from the young adult mean density
- -2.5 or less
- -1.0–2.5
For every standard deviation below the norm, what happens to fracture risk?
doubles
What is a Z score?
number of standard deviations from age matched mean density
FRAX- what is it?
-treatment decision making tool in previously ______ pt.
fracture risk assessment tool, calculates 10 year fracture risk
-untreated
Differentiate between primary and secondary osteoporosis
Primary is unrelated to chronic illness, related to aging and decreased hormones
Secondary is secondary to chronic illness/meds that accelerate bone loss
Name a few risk factors for osteoporosis
genetics, low calcium, low vitamin D, tobacco/alcohol use, prior fx history, meds
What is an important and clinically useful tool for assessing fall risk?
timed get up and go
Good lifestyle choices for bone health
~1200 mg calcium/day, vitamin D ~250HD.32ng/mL, weight bearing exercise, avoid tobacco & excessive alcohol consumption
Calcium carbonate is taken with ___, calcium citrate is taken ______
meals, with or without food
Types of weight bearing exercise
aerobics, circuit training, jogging, jumping, walking
In children and young adult studies, as well as older adults, BMD _____ with exercise
increased