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Pre-, intra-, and postoperative antibiotics
D V Feliciano1, V Spjut-Patrinely
1University of Rochester Medical Center, New York.
Abstract:
Endogenous contamination from perforation or rupture of the gastrointestinal tract; exogenous contamination from missiles, knives, or invasive lines and tubes; and immunodepression related to the severity of injury are responsible for the increased infectious complications noted in patients who have undergone laparotomy for abdominal trauma. Perioperative use of clindamycin and an aminoglycoside, a second- or third-generation cephalosporin, or an enhanced-spectrum penicillin is clearly beneficial in lowering the incidence of intra-abdominal and wound infections. A 12- to 48-hour length of administration of antibiotics after operation is as effective as regimens of longer duration, although presently used dosages may be inadequate in severely injured patients. Adjunctive surgical maneuvers such as peritoneal irrigation with saline-containing antibiotic(s) remain controversial. Perioperative use of antibiotic prophylaxis, coupled with early operation and appropriate surgical technique, results in a 4.4% rate of intra-abdominal abscesses and a 5.1% rate of wound infections after laparotomy for abdominal trauma in modern trauma centers.
Insights
Antibiotic prophylaxis significantly reduces infectious complications after abdominal trauma surgery. A 12- to 48-hour course is effective, lowering intra-abdominal abscesses and wound infections in trauma centers.
Area of Science:
- Trauma Surgery
- Infectious Diseases
- Pharmacology
Background:
- Abdominal trauma patients undergoing laparotomy face high risks of infectious complications.
- Sources of infection include gastrointestinal tract perforation, penetrating injuries, and invasive devices.
- Immunodepression due to injury severity further exacerbates infection risk.
Purpose of the Study:
- To evaluate the efficacy of perioperative antibiotic prophylaxis in preventing infections after abdominal trauma.
- To determine optimal antibiotic regimens and duration for reducing infectious complications.
- To assess the impact of surgical techniques and adjunctive measures on infection rates.
Main Methods:
- Review of antibiotic strategies, including specific drug classes (clindamycin, aminoglycosides, cephalosporins, penicillins).
- Analysis of antibiotic administration duration (12-48 hours vs. longer).
- Consideration of adjunctive surgical interventions like peritoneal irrigation.
Main Results:
- Perioperative antibiotics (clindamycin/aminoglycoside, cephalosporin, or enhanced-spectrum penicillin) are beneficial.
- A 12- to 48-hour antibiotic course is as effective as longer durations.
- Severely injured patients may require higher antibiotic dosages.
- Combined approach yields low rates: 4.4% intra-abdominal abscesses, 5.1% wound infections.
Conclusions:
- Perioperative antibiotic prophylaxis is crucial for managing abdominal trauma.
- Short-term antibiotic courses (12-48 hours) are effective in modern trauma centers.
- Optimal surgical technique and early intervention complement antibiotic therapy.