Complications of internal fixation Flashcards
1
Q
What are the common complications of internal fixation?
A
Wound dehiscence
Seroma
Infection (superficial and deep)
Implant failure
Delayed union, non-union, mal-union
necrosis of soft tissue
neulogical damage
2
Q
When does acute osteomyelitis occur?
A
2-3w postop
3
Q
When does chronic osteomyelitis occur?
A
Within several months
4
Q
What is a sequestrum?
A
infected, avascular cortical bone
5
Q
What is the most important mode of implant failure?
A
Fatigue failure, caused by repetitive cyclic load
6
Q
What are the types of implant failure?
A
Mechanical failure (metallurgic imperfection, manufacturing faults)
Acute overload failure
Fatique failure
Corrosive degradation
