repair of fractures Flashcards
1
Q
fracture repair mechanisms
A
- hematoma stage
- inflammatory stage
- hard callus forms
- remodelling
2
Q
what is the hematoma stage
A
hemorrhage, clot formation- within hours to days
3
Q
what is the inflammatory stage
A
begins within 48 hours
inflammatory cells appear
organisation and resorption of clot
soft callus forms
4
Q
what is hard callus
A
one week to several months to form
bony callus grows and bridges the fracture site
trabecular bone is laid down
5
Q
what is remodelling
A
continue for several months
reorganisation of bone
original structures is restored
6
Q
typical fracture repair timelines
A
- time to heal depends on age, which bone broken and type of fracture
- for adults- take several weeks or months to fully heal
- heals more rapidly that cartilage as has better blood supply
