Chronic Osteomyelitis Flashcards Preview

Orthopaedics > Chronic Osteomyelitis > Flashcards

Flashcards in Chronic Osteomyelitis Deck (9)
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1
Q

Etiology

A
  1. Open fracture
  2. Surgery
  3. Inadequate acute osteomyelitis treatment
2
Q

Causal Organism

A
  • staph aureus (commonest)
  • implant (staph epidemidis)
  • mixed growth (pseudomonas, proteus)
  • contaminated wound (anaerobes such as bacteroides, clostridium)
3
Q

Risk Factors

A
  1. history of trauma
  2. smoker
  3. malnutrition
  4. substance abuse
  5. diabetes mellitus
4
Q

Clinical Features

A
  1. Fever
  2. Pain
  3. Swelling
  4. Seropurulent discharge
5
Q

ix

A
  1. fbc
  2. esr
  3. crp
  • to assess progresss
    4. culture sensitivity or pcr (rarely)

5

6
Q

x-ray

A
  1. cloaca (discharge) mcm sinus

2. sequesterum (dead bone)

7
Q

staging

A
anatomical
I- medullary
II- superficial
III- localised
IV- diffised 

host background

8
Q

cx

A
  1. septic arthritis

2. malignant transformation

9
Q

tx

A
  1. abx
    - non-toxic long term use
    - penetrates sclerotic bone

fusidic, clinda, cephalo
mrsa? vanco

  1. local
    - local (dressing, i and d)
    -

3, operation
(Wd, removal of implant)

  1. aftercare
    - education hygiense