Factors for assessing effect of abdominal decompression were noted: conscience, pulse, blood pressure, respiratory rate, SpO2, blood gas, abdominal perimeter, renal function, lactate, intra-vesical pressure, abdominal perfusion pressure before and after abdominal decompression, drainage quantity, and complications. Results: In our study, most were small children with mean age of 5.9 years; DSS of grade III-IV with large fluid infusion (mean of 229ml / kg/32hours).