Antibiotic prophylaxis in acute nonperforated appendicitis. The Danish Multicenter Study Group III

Area of Science:

• Surgical infection prevention
• Clinical efficacy of antibiotics
• Appendectomy outcomes

Background:

• Appendectomy is a common surgical procedure.
• Surgical site infections (SSIs) are a significant complication after appendectomy.
• The role of prophylactic antibiotics in preventing SSIs requires ongoing evaluation.

Purpose of the Study:

• To evaluate the safety and efficacy of cefoxitin as a preoperative prophylactic agent in patients undergoing appendectomy.
• To determine the impact of cefoxitin prophylaxis on wound infection rates and intra-abdominal abscess formation.
• To assess the effectiveness of cefoxitin across different appendicitis severity classifications.

Main Methods:

• Prospective, block-randomized, multicenter clinical trial.
• 1735 evaluable patients undergoing appendectomy.
• Comparison between cefoxitin prophylaxis group and control group, stratified by appendix status (normal, inflamed, gangrenous).

Main Results:

• A significant reduction in wound infection incidence was observed in patients receiving cefoxitin prophylaxis across all appendicitis severity groups.
• Preoperative antibiotic prophylaxis with cefoxitin did not demonstrate a significant effect on the incidence of intra-abdominal abscess formation.
• Cefoxitin was well-tolerated, indicating a favorable safety profile for preoperative prophylaxis.

Conclusions:

• Routine preoperative cefoxitin prophylaxis is recommended for patients undergoing appendectomy to reduce the risk of surgical wound infections.
• While effective for wound infections, cefoxitin prophylaxis does not appear to prevent intra-abdominal abscesses in this patient population.
• Further research may explore alternative or adjunct strategies for preventing intra-abdominal abscesses in appendectomy.