Criteria for infection of a gastrointestinal infection – one or more of the following:
(1) evidence of an abscess or other evidence of infection affecting the gastrointestinal tract seen directly at a surgical operation
(2) evidence of an infection involving the gastrointestinal tract seen in histopathologic examination of a biopsy
(3) all of the following:
(3a) 2 or more of the following
(3a1) fever (> 38°C)
(3a2) nausea
(3a3) vomiting
(3a4) abdominal pain
(3a5) abdominal tenderness
(3b) no other recognized cause
(3c) one or more of the following
(3c1) organisms isolated from gastrointestinal tract tissue or drainage fluid
(3c2) organisms seen on a Gram stain or KOH preparation done on gastrointestinal tract tissue or drainage fluid
(3c3) multinucleated giant cells seen on microscopic examination of drainage or tissue
(3c4) organisms cultured from blood
(3c5) radiographic evidence of infection involving the gastrointestinal tract
(3c6) endoscopic findings of infection (Candida esophagitis, proctitis, etc)
Sources of material to examine include:
(1) drainage fluid
(2) surgical operation
(3) endoscopy
(4) needle biopsy or aspirate
