Management
Tsukayama Classification
Usually after 50-60 years of age
Primary 90% of cases
Secondary
- AVN
- trauma
- instability
Knee > Hip
- superficial position
- limited cover of well vascularised muscle
- watershed area of skin blood supply anterior to the skin incision
- much increased in fully constrained prosthesis
Ideal < 1%
Increased with
- revision
- prior infection
- RA / Psoriatic arthropathy
- DM
Adolescents & young adults
Usually between 12 - 21 years
Throwing athletes / gymnasts
Little Leaguer's Elbow
- combination of capitellar OCD and MCL injury
- a repetitive throwing injury / seen in pitchers
1. Trauma & Overuse
Common throwing sports / gymnastics