knee osteoarthritis Flashcards
1
Q
what is osteoarthritis
A
imbalance between wear and repair of articular cartilage leading to progressive loss
2
Q
does articular cartilage repair well
A
no it has poor healing potential
3
Q
what covers the surface of bones in synovial joints
A
hyaline cartilage
4
Q
what is hyaline cartilage composed of
A
water
collagen
proteoglycans
chondrocytes
5
Q
knee replacement reasons
A
Only for older, medically fit, appropriate patient with end stage arthritis and severe pain refractory to conservative management
Constant severe pain
Sleep disturbance
Pain limiting function / walking distance
Frequent bad “flare-ups” of pain
6
Q
A
