Osteoarthritis

Question 1

What is osteoarthritis

Answer 1

It’s a degenerative joint disease.

Commonly thought to be wear and tear injury of joints as one age

Question 2

Two types of osteoarthritis

Answer 2

Primary osteoarthritis

Secondary osteoarthritis

Question 3

What is primary osteoarthritis

Answer 3

Occur in a joint denovo.
Occurs in old age mainly in the weight bearing joint -knee and hip
Sometimes trapeziometocarpal joint of thumb and distil interphalangeal joints of the fingers are also affected.
Primary is common than secondary

Question 4

What is secondary ostearthritis

Answer 4

Underlying primary disease of joint leads to degeneration of joint many years later.
Commonly occur at hip and after adolescence.

Question 5

Predisposing factor secondary osteoarthritis

Answer 5

Congenital maldevelopment of a joint
Regularity of joint surfaces from previous trauma
Previous disease producing damaged articular surface
Internal dearrangement of the knee
Malalignment
Obesity and excessive weight

Question 6

Causes of secondary osteoarthritis of hip

Answer 6

Avascular necrosis
Coxa vera
Congenital dislocation of hip
Old septic arthritis of hip
Malunited fracture
Fracture of acetabulam