osteoarthritis

Question 1

what is OA

Answer 1

chronic disease involving the imbalance between wear and repair of accompanying periarticular cartilage

Question 2

risk factors of primary OA

Answer 2

genetic
age, female, obesity
biomechanical factors

Question 3

describe the patient most likely to have primary OA

Answer 3

elderly female with high BMI, stress on particular joint and a pmh of injury

Question 4

when does primary OA usually present

Answer 4

> 50 yrs

Question 5

name some conditions that can lead to secondary OA

Answer 5

RA and gout

Question 6

what is secondary OA

Answer 6

affects an unexpected site due to overuse, pervious injury or prevoius arthritis

Question 7

non-pharmacological medical management of OA

Answer 7

education - make sure pt continues to exercise

lifestyle management - weight loss, walking aids

physio

activity modification

Question 8

pharmacological management of OA

Answer 8

analgesia

local intra-articular steroid injections for flare up (if given too many OA can accelerate)

Question 9

surgical Mx of OA

Answer 9

joint replacement

Question 10

ix used in suspected OA

Answer 10

clinical dx based on signs and sympotoms

imaging if doubt

Question 11

X ray findings in OA

Answer 11

loss of joint space

marginal osteophtes

sclerosis

subchondral cysts

Question 12

symptoms of OA

Answer 12

pain worse with use and at night

morning stiffness >30 mins

instability