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Prophylactic antibiotics in abdominal trauma

J M Sarmiento1, G Aristizabal, J Rubiano

  • 1School of Medicine, Universidad del Valle, Cali, Colombia.

The Journal of Trauma
|November 1, 1994
PubMed
Summary

For minor trauma (Abdominal Trauma Index < 25), preoperative antibiotics alone prevent surgical sepsis, even with colon injury. Eliminating postoperative antibiotics offers economic benefits for these patients.

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Area of Science:

  • Surgical infection control
  • Trauma management
  • Antibiotic stewardship

Background:

  • Surgical site infections remain a significant concern in trauma care.
  • Optimal antibiotic regimens for abdominal trauma are debated.
  • Previous studies suggest broader antibiotic use in abdominal trauma.

Purpose of the Study:

  • To evaluate the efficacy of preoperative versus preoperative plus postoperative antibiotic administration in preventing surgical sepsis.
  • To identify patient subgroups that may benefit from extended antibiotic courses.
  • To assess the economic impact of antibiotic de-escalation in specific trauma populations.

Main Methods:

  • Prospective evaluation of antibiotic efficacy in two groups: preoperative only and preoperative plus postoperative.

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  • Stratification of patients based on Abdominal Trauma Index (ATI) and presence of colon injury.
  • Analysis of surgical sepsis development and patient outcomes.

    • Main Results:

    • No significant difference in surgical sepsis rates between groups for minor trauma (ATI < 25), including cases with colon injury.
    • A Revised Trauma Index > 20 combined with a colon wound consistently led to abdominal sepsis.
    • Patients with ATI < 25 did not benefit from postoperative antibiotics regarding sepsis development.

    Conclusions:

    • Preoperative antibiotics alone are sufficient for preventing surgical sepsis in minor abdominal trauma (ATI < 25), irrespective of colon involvement.
    • The combination of high Revised Trauma Index (> 20) and colon injury is a strong predictor of abdominal sepsis.
    • Discontinuing postoperative antibiotics in patients with ATI < 25 is safe and offers economic advantages.