Osteomyelitis Flashcards
What is the most common cause?
Staph aureus
Who is most commonly affected?
Kids
How is it managed?
What antibiotics are given and for how long?
Surgical debridement/aspiration
See antibiotic man
IV - 2 weeks
Oral - 4 weeks
What should ALWAYS be done before antibiotics are given?
Blood cultures - 3 ALWAYS
- v important
Who are the only patients who should receive empiral antibiotics without microbiological sampling?
Septic/fever
What is the most common cause in those with sickle cell anaemia after staph aureus?
Salmonella
In chronic osteomyelitis, sinus formation is usual.
Is it useful to get a sample of the sinus for microbiology?
No - need a deep sample to find out causative organism
In subacute osteomyelitis an abscess may form. What is the name of the abscess?
What must be done to the abscess before AB treament
Brodie’s abscess
If there is pus, let it out!!
Drain first
Xray isn’t always useful especially for acute, nothing will initially show up. MRI can be done, what is the buzzword for MRI result?
Marrow oedema
What is the main risk factor in adults?
Open surgery
What is the name for a dead fragment of bone?
Sequestrum
Where can TB commonly cause chronic osteomyelitis in Pott’s disease?
Spine
Diabetic patient presents with insidious onset of lower back pain and muscle spasm along the spine.
On examination there is slight kyphosis of the lumbar spine.
What investigation would you do next?
Explain what might be causing the spinal kyphosis?
MRI - suspected osteomyelitis of the spine
Vertebral disc collapse due to weakening
