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Wound infection following biliary surgery. A prospective surgery
S M al-Awami1, H al-Breiki, A S Abdul-Khader
1Department of Surgery, King Fahd Hospital of the University, Al-Khobar, Saudi Arabia.
International Surgery
|April 1, 1991
Summary
Routine antibiotic prophylaxis may be unnecessary for simple cholecystectomy, as wound infection rates are low. Risk factors for biliary surgery wound infection include age over 40 and choledochotomy.
Area of Science:
- Gastroenterology and Hepatobiliary Surgery
- Surgical Infections
- Clinical Epidemiology
Background:
- Biliary surgery, particularly cholecystectomy, is a common elective abdominal procedure globally.
- Postoperative wound infection is a significant complication impacting patient recovery and healthcare costs.
- Understanding risk factors is crucial for optimizing surgical outcomes and infection control strategies.
Purpose of the Study:
- To prospectively evaluate the incidence of wound infection following biliary surgery.
- To identify major risk factors associated with biliary surgery wound infections.
- To assess the necessity of routine antibiotic prophylaxis for simple cholecystectomy.
Main Methods:
- Prospective study of 141 patients undergoing biliary operations.
- Intra-operative bile swabs collected for microbiological analysis.
- Data collected on patient demographics, operative procedures, and wound infection development.
Main Results:
- Overall wound infection rate was 7.8%; simple cholecystectomy: 3.6%; choledochotomies: 24.1%.
- Infected patients had an average 7-day longer hospital stay.
- Key risk factors identified: age ≥ 40 years (4-fold increase), choledochotomy (6-fold increase), and microbiological contamination (9-fold increase).
Conclusions:
- The low incidence (<4%) of wound infection in simple cholecystectomy suggests routine antibiotic prophylaxis is likely unjustified.
- Identifying high-risk patients and procedures (e.g., choledochotomy) allows for targeted infection prevention measures.
- Controlling microbiological contamination is paramount in reducing surgical site infections in biliary surgery.