Introduction
Define/describe the condition
Anatomy
Describe the pertinent anatomy and provide links to relevant pages
Pathogeneis
Describe the biologic basis of the disorder or the mechanism of injury
Natural History
May cause permanent cartilage damage if untreated within 8 hours.
Patient History and Physical Findings
Describe the means to elicit the most useful information from the patient history and physical examination as well as the relevant findings
Imaging and Diagnostic Studies
Kocher criteria
Four independent predictors:
- history of fever
- non-weight bearing
- erythrocyte sedimentation rate > 40mm/hr
- serum WBC count >12,000 cells/cubic mm
Number of predictors
|
Sensitivity
|
False-Positive Rate
|
Probability of Septic Arthritis
|
No predictors
|
|
|
2.0%
|
At least 1 predictor
|
1.00
|
0.74
|
9.5%
|
At least 2 predictors |
0.90
|
0.32
|
35.0%
|
At least 3 predictors |
0.59
|
0.11
|
72.8%
|
At least 4 predictors |
0.16
|
0.01
|
93.0%
|
Differential Diagnosis
Toxic synovitis/transient synovitis
Juvenile rheumatoid arthritis
Rheumatic fever
Poststreptococcal reactive arthritis
Treatment
Include:
Medical therapy:
Nonoperative treatment
Operative treatment - include links to pages with detailed surgical techniques
Indications and contraindications
Pearls and Pitfalls
Tips and problems to avoid
Postoperative Care
Include immediate postoperative care and rehabilitation
Outcome
Include functional and prosthetic survivorship data as applicable
Complications
Include overview of complications
References
