The American Association for the Surgery on Trauma (AAST) reported a severity grading system for emergency general surgery. This can be applied to a peptic ulcer related emergency..
Patient selection: peptic ulcer
Parameters:
(1) bowel wall
(2) peritonitis
Bowel Wall
Peritonitis
Grade
normal
none
0
microperforation
none
I
contained perforation
localized peritonitis
II
perforation (? partially contained)
localized peritonitis and localized fluid collection in the upper sac or right upper quadrant
III
free perforation
with generalized peritonitis
IV
perforation with tissue destruction with or without penetration into adjacent organs
with generalized peritonitis
V
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