Arthroplasty Flashcards
1
Q
Etiology stiff knee
A
- severe OA (hypertrophic disease)
- post-traumatic disease ( flexion and extension equally affected)
- post- infection ( progressive arthrofibrosis of suprapatellar pouch - affects flexion more than extension)
- inflammatory arthropathy
- prior open knee surgery
- patella Baja
- hemophilia
2
Q
Pathoanatomy of stiff knee
A
Soft tissue scar/ contracture
- posterior capsule
- collateral ligaments
- extensor mechanism
- infra-patellar fat pad scarring
Bone
- posterior osteophytes
- patella baja
