In 1989, Moore et al. on behalf of the American Association for the Surgery of Trauma (AAST) published the Organ Injury Scale (OIS) for spleen, liver, and kidney.1 This was… Click to show full abstract
In 1989, Moore et al. on behalf of the American Association for the Surgery of Trauma (AAST) published the Organ Injury Scale (OIS) for spleen, liver, and kidney.1 This was then updated for spleen and liver in 1994.2 These initial classification schemes were based on an anatomic description of the i
               
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