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Surgical Site Infection Risk Factors Identified for Patients Undergoing Colon Procedures, New York State 2009–2010

Published online by Cambridge University Press:  10 May 2016

Boldtsetseg Tserenpuntsag*
Affiliation:
Hospital-Acquired Infection Reporting Program, New York State Department of Health, Albany, New York
Valerie Haley
Affiliation:
Hospital-Acquired Infection Reporting Program, New York State Department of Health, Albany, New York
Carole Van Antwerpen
Affiliation:
Hospital-Acquired Infection Reporting Program, New York State Department of Health, Albany, New York Retired
Diana Doughty
Affiliation:
Hospital-Acquired Infection Reporting Program, New York State Department of Health, Albany, New York Retired
Kathleen A. Gase
Affiliation:
Hospital-Acquired Infection Reporting Program, New York State Department of Health, Albany, New York
Peggy Ann Hazamy
Affiliation:
Hospital-Acquired Infection Reporting Program, New York State Department of Health, Albany, New York
Marie Tsivitis
Affiliation:
Hospital-Acquired Infection Reporting Program, New York State Department of Health, Albany, New York
*
Hospital-Acquired Infection Reporting Program, New York State Department of Health, Empire State Plaza, Room 523, Albany, NY 12137 ([email protected]).

Extract

Background

Since 2007, New York State (NYS) hospitals have been required to report surgical site infections (SSIs) following colon procedures to the NYS Department of Health, using the National Healthcare Safety Network (NHSN). The purpose of this study was to identify risk factors for the development of SSIs in patients undergoing colon procedures.

Methods

NYS has been conducting validation studies at hospitals to assess the accuracy of the surveillance data reported by the participating hospitals. A sample of patients undergoing colon procedures in NYS hospitals were included in hospital-acquired infection program validation studies in 2009 and 2010. Medical chart reviews and on-site visits were performed to verify patient information reported and to evaluate additional risk factors for SSI. Bivariable and multivariable logistic regressions were performed.

Results

A total of 2,656 colon procedures were included in this analysis, including 698 SSI cases. Multivariable analysis indicated that SSI following colon procedure was associated with body mass index greater than 30 (odds ratio [OR], 1.48 [95% confidence interval (CI), 1.21–1.80]), male sex (OR, 1.34 [95% CI, 1.10–1.64]), American Society of Anesthesiologists physical classification score greater than 3 (OR, 1.33 [95% CI, 1.08–1.64]), procedure duration, transfusion (OR, 1.32 [95% CI, 1.05–1.66]), left-side colon surgical procedures, other gastroenterologic procedures, irrigation, hospital bed size greater than 500, and medical school affiliation.

Conclusions

Male sex, obesity, transfusion, type of procedure, and prolonged duration were significant factors associated with overall infection risk after adjusting other factors. Additional factors not collected in the NHSN slightly improved prediction of SSIs.

Type
Original Article
Copyright
© 2014 by The Society for Healthcare Epidemiology of America. All rights reserved.

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