osteomyelitis Flashcards
what is it?
infection to the bone
classification
- haematogenous
- non-haemotogenous
cause of haematogenous osteomyelitis
results from bacteraemia
is usually monomicrobial
age of haematogenous osteomyelitis
children
most common form haematogenous osteomyelitis in adults
vertebral
cause of non-haematogenous osteomyelitis
contiguous spread of infection from adjacent soft tissues to the bone or from direct injury/trauma to bone
polymicrobial
age of non-haematogenous osteomyelitis
adults
risk factors of non-haematogenous osteomyelitis?
diabetic foot ulcers/pressure sores, diabetes mellitus, peripheral arterial disease
common micro-organism
Staph. aureus is the most common cause except in patients with sickle-cell anaemia where Salmonella species predominate
Ix
MRI
Mx
flucloxacillin for 6 weeks
clindamycin if penicillin-allergic