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Ottawa Knee Rules
From WikiSM
Other Names
- Ottawa Knee Rules
Purpose
- To help determine need for radiographs of knee following acute trauma
Description
If one of the following is present, radiographs are indicated:
- Age >55 years
- Isolated patellar tenderness without other bone tenderness
- Tenderness of the fibular head
- Inability to flex the knee to 90°
- Inability to bear weight immediately after injury and in the emergency department (4 steps) regardless of limping
Rules Can't be Applied to the Following:
- Younger then 18 years old
- Injuries greater then 7 days old
- Re-evaluation of recent injuries
- Altered levels of consciousness
- Paraplegia (an impairment in motor or sensory function) of the lower extremities
- Multiple injuries or other fractures
- Pregnancy
- Isolated injuries of the skin without underlying soft tissue or bone involvement
- Superficial lacerations or skin injuries
- Abrasions
- Puncture wounds
- Burns
- Referred from outside the hospital with radiographs
Pathology
Evidence
- Bachmann et al meta-analysis (2004)[1]
- Sensitivity: 98.5%
- Specificity: 48.6%
See Also
References
- ↑ Bachmann, Lucas M., et al. "The accuracy of the Ottawa knee rule to rule out knee fractures: a systematic review." Annals of internal medicine 140.2 (2004): 121-124.
Created by:
John Kiel on 7 August 2019 14:36:15
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Last edited:
22 April 2023 22:49:36
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