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Surgical‐Site Infections Following Cesarean Section in an Estonian University Hospital: Postdischarge Surveillance and Analysis of Risk Factors

Piret Mitt , MD, Katrin Lang , MD, MPH, Aira Peri , MD and Matti Maimets , MD, PhD
Infection Control and Hospital Epidemiology
Vol. 26, No. 5 (May 2005), pp. 449-454
DOI: 10.1086/502566
Stable URL: http://www.jstor.org/stable/10.1086/502566
Page Count: 6
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Surgical‐Site Infections Following Cesarean Section in an Estonian University Hospital: Postdischarge Surveillance and Analysis of Risk Factors
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Abstract

OBJECTIVES.  To evaluate a multi‐method approach to postdischarge surveillance of surgical‐site infections (SSIs) and to identify infection rates and risk factors associated with SSI following cesarean section. DESIGN.  Cross‐sectional survey. SETTING.  Academic tertiary‐care obstetric and gynecology center with 54 beds. PATIENTS.  All women who delivered by cesarean section in Tartu University Women’s Clinic during 2002. METHODS.  Infections were identified during hospital stay or by postdischarge survey using a combination of telephone calls, healthcare worker questionnaire, and outpatient medical records review. SSI was diagnosed according to the criteria of the Centers for Disease Control and Prevention National Nosocomial Infections Surveillance System. RESULTS.  The multi‐method approach gave a follow‐up rate of 94.8%. Of 305 patients, 19 (6.2%; 95% confidence interval [CI95], 3.8–9.6) had SSIs. Forty‐two percent of these SSIs were detected during postdischarge surveillance. We found three variables associated with increased risk for developing SSI: internal fetal monitoring (odds ratio [OR], 16.6; CI95, 2.2–125.8; P = .007), chorioamnionitis (OR, 8.8; CI95, 1.1–69.6; P = .04), and surgical wound classes III and IV (OR, 3.8; CI95, 1.2–11.8; P = .02). CONCLUSIONS.  The high response rate validated the effectiveness of this kind of surveillance method and was most suitable in current circumstances. A challenge exists to decrease the frequency of internal fetal monitoring and to treat chorioamnionitis as soon as possible.

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