AAST spleen injury scale
Updates to Article Attributes
Body
was changed:
The 1994 revision of the American Association for the Surgery of Trauma (AAST) splenic injury scale is the most widely used grading system for splenic trauma at the time of writing (late 2016).
Classification
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grade I
- subcapsular haematoma <10% of surface area
- capsular laceration <1 cm depth
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grade II
- subcapsular haematoma 10-50% of surface area
- intraparenchymal haematoma <5 cm in diameter
- laceration 1-3 cm in depth not involving trabecular vessels
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grade III
- subcapsular haematoma >50% of surface area or expanding
- intraparenchymal haematoma >5 cm or expanding
- laceration >3 cm in depth or involving trabecular vessels
- ruptured subcapsular or parenchymal haematoma
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grade IV
- laceration involving segmental or hilar vessels with major devascularisation (>25% of spleen)
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grade V
- shattered spleen
- hilar vascular injury with splenic devascularisation
N.b. advance one grade for multiple injuries up to grade III.
See also
-<p>The 1994 revision of the American Association for the Surgery of Trauma (AAST) <strong>splenic injury scale</strong> is the most widely used grading system for splenic trauma at the time of writing (late 2016). </p><h4>Classification</h4><ul>- +<p>The 1994 revision of the <strong>American Association for the Surgery of Trauma (AAST)</strong> <strong>splenic injury scale</strong> is the most widely used grading system for <a title="Splenic trauma" href="/articles/splenic-trauma">splenic trauma</a> at the time of writing (late 2016). </p><h4>Classification</h4><ul>
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