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Risk factors and risk adjustment for surgical site infections in pediatric cardiothoracic surgery patients

Abstract

BACKGROUND: The complexity of congenital cardiac defects and the aggressive medical management required to support patients through their recovery place children at high risk for surgical site infection (SSI).

METHODS: We conducted a retrospective review of children undergoing cardiothoracic surgery at a tertiary care referral center between January 1, 2000, and June 30, 2001. Preoperative, intraoperative, and postoperative data were assessed by multivariate analysis.

RESULTS: Of 726 surgical procedures performed in 626 patients, SSIs occurred after 46 procedures performed in 46 patients (6.3%). Infections were superficial (n = 22; 47.8%), deep tissue (n = 7; 15.2%), or organ space (n = 17; 37.0%), including 5 episodes of mediastinitis. Median time to SSI was 10 days; 36% of the infections were identified after discharge. On multivariate analysis, children with SSIs were more likely to have been <30 days old (odds ratio [OR], 2.9; 95% confidence interval [CI], 1.2-70), to have a perioperative medical device, and to use parenteral nutrition (OR, 3.3; 95% CI, 1.4-7.9). Multiple severity of illness scores, the Risk Adjustment for Congenital Heart Surgery (RACHS-1) category, and longer duration of postoperative antimicrobials were not associated with SSI.

CONCLUSION: The use of perioperative medical interventions increases the risk of SSI in young children after cardiac surgery. Prolonged postoperative courses of antimicrobials should be avoided in the absence of documented infection.

Sohn AH, Schwartz JM, Yang KY, Jarvis WR, Guglielmo BJ, Weintrub PS

Am J Infect Control 2010 Nov;38(9):706-10

PMID: 20605267

Risk factors and risk adjustment for surgical site infections in pediatric cardiothoracic surgery patients was last modified: November 1st, 2010 by Sohn AH, Schwartz JM, Yang KY, Jarvis WR, Guglielmo BJ, Weintrub PS