Treatment of Articular Fractures Flashcards
why is cartilage slow to heal?
relative acellularity
relative avascularity
inability of chondrocytes to migrate within matrix
what is the intrinsic mechanism of cartilage healing?
chondrocytes near the site of injury may replicate and increase their synthetic capacity
what must the approach achieve?
permit good visualization of the articular surface
allow adequate mobilization of the fracture fragments
minimize morbidity
why should osteotomies be fixed rigidly?
ensure joint stability and uneventful healing
is a thin cartilaginous defect always present at the fracture line?
yes
why is the synovial joint unique?
presence of synovial fluid, motion, and apposing articular surface
why do physeal injuries in young animals complicate management?
growth deformities and osteoarthritis may occur
how do small articular incongruities and steps remodel?
matrix flow
are tenotomies or myotomies preferable?
tenotomies
is early mobilization and aggressive physical therapy following joint surgery helpful for encouraging a more complete return to function?
yes
what is swimming good for?
reduce postoperative pain, joint effusion, capsular contraction, periarticular fibrosis and joint stiffness
increase range of motion, muscle mass, and limb strength
what does overloading of a joint lead to?
chondrolysis
cell injury and necrosis
what do slow acting disease modifying osteoarthritis drugs provide?
building blocks for matrix synthesis
how can low motion joints be stabilized for salvage?
arthrodesis
