The following is an excerpt....
BASICS
Description
- Characteristics of duodenum:
- 12 inches long
- C-shaped
- Divided into 4 sections:
- Last 3 sections retroperitoneal along with distal portion of 1st section
- Lies mostly over 1st 3 lumbar vertebrae
- 2nd section is most commonly injured
- Types of injury:
- Duodenal wall hematoma
- Wall perforation
- Hemorrhage, including retroperitoneal
- Crush
- Incidence of duodenal injury is ~5% of all intra-abdominal injuries.
- Penetrating trauma accounts for ~75% of duodenal injuries:
- Mortality ranges from 13–28%.
- Associated with exsanguination
- Blunt duodenal trauma has a higher mortality due to greater force of injury and often delayed diagnosis due to retroperitoneal location:
- If injury is diagnosed in <24 hr, mortality rate is about 11%.
- If >24 hr, mortality rate approaches 40%.
- Late mortality usually from sepsis
ALERT:
Pediatric Considerations
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