a retrospective review of 523 patients who underwent open peritoneal lavage for blunt abdominal trauma over a 3 1/2-year period revealed serious intra-abdominal pathology in 83 % of patients undergoing laparotomy with rbc lavage counts in the range of 20,000 to 100,000 cells/mm3 , a level considered by many authors to be negative or indeterminate .
C0230168
intra-abdominal
C0023038
laparotomy