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Surgical Site Infection After Gastrointestinal Surgery in China: A Multicenter Prospective Study
Zhiwei Wang1, Jun Chen2, Peige Wang3
1Department of Surgery, Jinling Hospital, Nanjing Medical University, Nanjing, P.R. China.
Background:
There is no nationwide database of information on surgical site infection (SSI) after gastrointestinal surgery in China. This study aimed to determine the incidence of SSI after gastrointestinal surgery in China and evaluate the related risk factors.
Materials And Methods:
The multicenter, prospective, observational study enrolled adult patients who underwent gastrointestinal surgery from May 1, 2018 to June 30, 2018 in 30 hospitals in China. The demographic and perioperative characteristics were collected, and the primary outcome was 30-d SSI. Predictors of SSI were determined by multivariable logistic regressions. Subgroup analysis was performed to determine the predictors of SSI in different surgeries.
Results:
A total of 1290 patients were enrolled and SSI occurred in 68 patients (5.2%). Multivariate analysis with adjustments revealed that normal body mass index, normal blood glucose level, low national nosocomial infection surveillance risk index score, noncolon surgery, laparoscopic or robotic surgery, and use of mechanical bowel preparation were associated with reduced SSI in gastrointestinal surgery. Subgroup analysis revealed diverse predictors of SSI in diverse surgeries. National nosocomial infection surveillance risk index score of 2 and a high blood glucose level increased the incidence of SSI in colorectal and noncolorectal surgery, respectively. Besides, mechanical bowel preparation and laparoscopic or robotic surgery were protective factors for SSI in colorectal and noncolorectal surgery, respectively.
Conclusions:
This study provides the newest data of SSI after gastrointestinal surgery in China and revealed some predictors of SSI in diverse surgeries, which can be a tool to look for areas to target quality improvement initiatives.
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