Ottawa Knee Rules: Difference between revisions

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PURPOSE:  To determine if radiographs are needed after knee trauma
PURPOSE:  To determine if radiographs are needed after knee trauma  


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TECHNIQUE: <ref name="Flynn" />&nbsp;Radiographs should be ordered if one of the following is present


TECHNIQUE: <ref name="Flynn" />&nbsp;Radiographs should be ordered if one of the following is present
&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Age &gt; 55 years


&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Age &gt; 55 years
&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Isolated patellar tenderness without other bone tenderness


&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Isolated patellar tenderness without other bone tenderness
&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Tenderness of the fibular head


&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Tenderness of the fibular head
&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Inability to flex the knee &gt; 90 degrees


&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Inability to flex the knee &gt; 90 degrees
&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Inability to bear weight immediately after injury and in the emergency department (4 steps) regardless of &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; limping.


&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Inability to bear weight immediately after injury and in the emergency department (4 steps) regardless of &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; limping.
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EVIDENCE<ref name="Flynn" />: &nbsp;


&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Sensitivity= 1.0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; -LR= 0&nbsp;


EVIDENCE<ref name="Flynn" />: &nbsp;
&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Specificity= .49-.56 &nbsp; &nbsp;+LR = 1.9-2.3


&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Sensitivity= 1.0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; -LR= 0&nbsp;
<br>


&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Specificity= .49-.56 &nbsp; &nbsp;+LR = 1.9-2.3
RESOURCES:


<br>


RESEARCH: Eur Radiol. 2002 May;12(5): 1218-20 Epub 2001 Nov 14.


RESOURCES:
<br>


 
REFERENCES  
 
RESEARCH:
 
 
 
REFERENCES


1. Flynn T, Cleland J, Whitman J. Users Guide to Musculoskeletal Examination: Fundamentals for the Evidence Based Clinician: Evidence in Motion; 2008.
1. Flynn T, Cleland J, Whitman J. Users Guide to Musculoskeletal Examination: Fundamentals for the Evidence Based Clinician: Evidence in Motion; 2008.

Revision as of 20:53, 20 December 2009

PURPOSE:  To determine if radiographs are needed after knee trauma


TECHNIQUE: [1] Radiographs should be ordered if one of the following is present

                      Age > 55 years

                      Isolated patellar tenderness without other bone tenderness

                      Tenderness of the fibular head

                      Inability to flex the knee > 90 degrees

                      Inability to bear weight immediately after injury and in the emergency department (4 steps) regardless of                             limping.


EVIDENCE[1]:  

              Sensitivity= 1.0           -LR= 0 

              Specificity= .49-.56    +LR = 1.9-2.3


RESOURCES:


RESEARCH: Eur Radiol. 2002 May;12(5): 1218-20 Epub 2001 Nov 14.


REFERENCES

1. Flynn T, Cleland J, Whitman J. Users Guide to Musculoskeletal Examination: Fundamentals for the Evidence Based Clinician: Evidence in Motion; 2008.

  1. ↑ 1.0 1.1 Cite error: Invalid <ref> tag; no text was provided for refs named Flynn
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