Does Using a Laparoscopic Approach to Cholecystectomy Decrease the Risk of Surgical Site Infection?

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Abstract
To assess the impact of laparoscopy on surgical site infections (SSIs) following cholecystectomy in a large population of patients. Previous investigations have demonstrated that laparoscopic cholecystectomy is associated with a shorter postoperative stay and fewer overall complications. Less is known about the impact of laparoscopy on the risk for SSIs. Epidemiologic analysis was performed on data collected during a 7-year period (1992-1999) by participating hospitals in the National Nosocomial Infections Surveillance (NNIS) System in the United States. For 54,504 inpatient cholecystectomy procedures reported, use of the laparoscopic technique increased from 59% in 1992 to 79% in 1999. The overall rate of SSI was significantly lower for laparoscopic cholecystectomy than for open cholecystectomy. Overall, infecting organisms were similar for both approaches. Even after controlling for other significant factors, the risk for SSI was lower in patients undergoing the laparoscopic technique than the open technique. Laparoscopic cholecystectomy is associated with a lower risk for SSI than open cholecystectomy, even after adjusting for other risk factors. For interhospital comparisons, SSI rates following cholecystectomy should be stratified by the type of technique.

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