Skip to main content

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].