• Zorana Djordjevic, Slobodan Jankovic, Olgica Gajovic, Nela Djonovic, Nevena Folic, and Zoran Bukumiric.
• Department to Control Hospital Infections, Clinical Center Kragujevac, Serbia.
• J Infect Dev Ctries. 2012 Jan 1;6(11):798-805.

IntroductionHospital infections (HIs), which are frequently associated with hospital treatment, increase morbidity, mortality and treatment costs. The aim of this study was to establish the incidence of HIs in a neurological intensive care unit (nICU), and to determine the most prevalent causative agents and risk factors for HIs.MethodologyA cross-sectional study with nested case-control design was conducted between 1 July 2009 and 30 June 2010 at an 18-bed neurological intensive care unit at the Clinical Center Kragujevac, Serbia.ResultsIn total, 537 patients were enrolled in the study, with 6,549 patient-days. There were 89 patients with 101 HIs. The incidence of patients with HIs was 16.57%, and incidence of HIs was 18.81%, while density of HIs was 15.42 per 1,000 patient-days. The most frequent anatomical sites of HIs were urinary tract (73.27%), blood (10.89%), and skin and soft tissues (10.89%). The following risk factors were identified: co-morbidity (OR=3.9; 95% CI=1.9-7.9), surgical intervention in the last 30 days (OR=5.6; 95% CI=1.5-20.4), urinary bladder catheterization longer than seven days (OR=3.8; 95% CI=1.8-8.2), value of Glasgow coma scale ≤ 9 (OR=3.7; 95% CI=1-6.9), and longer hospital stay (OR=1.1; 95% CI=1.1-1.2).ConclusionsHospitalization in an nICU bears high risk of HIs, especially of urinary tract infections caused by Gram-negative bacteria, in patients with longer hospital stay or co-morbidities, and in those who have had surgical interventions or prolonged use of a urinary bladder catheter. Special attention should be paid to these patients to prevent HIs.

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