Table 3.
• Severe contamination (during laparotomy for faecal peritonitis) |
• Old laceration (> 12-24 hours; depends on amount of contusion) |
• Shock (of any cause but usually haemorrhagic) |
• Devitalisation (local poor tissue perfusion) |
• Foreign body (either external or known dead tissue) |
• Kinetic energy (in wounds caused by explosions; implies presence of dead tissue and foreign material) |