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Table 1 Open abdomen classification

From: Negative pressure wound therapy management of the “open abdomen” following trauma: a prospective study and systematic review

Grade 1A

Clean OA without adherence between bowel and abdominal wall or fixity of the abdominal wall (lateralization of the abdominal wall).

Grade 1B

Contaminated OA without adherence/fixity

Grade 2A

Clean OA developing adherence/fixity

Grade 2B

Contaminated OA developing adherence/fixity

Grade 3

OA complicated by fistula formation

Grade 4

Frozen OA with adherent bowel, unable to close surgically, with or without fistula

  1. Adapted from Bjorck et al. [7].
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World Journal of Emergency Surgery

ISSN: 1749-7922