Volume 5, Issue 3 And 4 (11-2017)                   J Surg Trauma 2017, 5(3 And 4): 74-80 | Back to browse issues page

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Ebrahimzadeh A, Zare Bidaki M, Karbasi H, Khosravi S, Bijari B. An evaluation of culture-positive infections and risk factors in patients admitted to the ICU of Imam Reza hospital in Birjand in 2015-2016. J Surg Trauma. 2017; 5 (3 and 4) :74-80
URL: http://jsurgery.bums.ac.ir/article-1-126-en.html
Infectious Disease Research Center, Associate Professor, Department of Medical Microbiology, Faculty of Paramedical Sciences, Birjand University of Medical Sciences, Birjand, Iran
Abstract:   (4046 Views)
Background and aim: Culture-positive infections include a broad range of nosocomial infections in the intensive care unit (ICU). Investigation and control of these infections is a global priority which aims to minimize infections in order to reduce mortality, decrease the length of stay in the hospital and also significantly reduce the cost of treatment. The aim of this study was investigation of culture-positive infections and the risk factors in patients admitted to the ICU of Imam Reza (AS) hospital in Birjand.
Methods: In this cross-sectional study (descriptive-analytical), all patients admitted to the ICU at Imam Reza hospital in 2015 were enrolled in the study. The patients’ blood, urine, wounds and sputum samples were taken to culture upon their admission and CSF cultures were performed when needed. People who initially had positive cultures, as well as those who were pre-treated with antibiotics, as well as those who or their family were not agree to participate, were excluded from the study. In culture negative cases, 48-72 hours after admission, cultures were repeated. Risk factors such as underlying disease, age, gender, duration of hospitalization and the use of catheters were evaluated in positive samples. Data analysis was performed by SPSS v 18 software and using Chi-square test.
Results: A total of 669 people with an average age of 46.12 ± 26.08 years were enrolled in the study. The average length of stay was 4.8 ± 8.11 days. The incidence rate of nosocomial infection in patients was 68 (10.2%). Respiratory infection with 79.3% was the most common source of infection. Surgical wound infection with 44.1% and urinary tract infection with 23.5% were the next common types of infection, respectively. The most common isolated bacteria from urinary tract infections were Escherichia coli and Pseudomonas while coagulase-negative staphylococcus and Klebsiella were the most common isolated bacteria from other types of infections. There was a significant relationship between the incidence of  nosocomial infections with age, duration of hospitalization and risk factors such as central catheters, endotracheal tube, ventilator, chest tube, NG TUBE , ventilator and tracheostomy (P<0.05).
Discussion and conclusion: According to the results of this study, more attention should be paid to the patients with culture -positive infections and also reducing the risk factors. It is also recommended to avoid any unnecessary interventions in the ICU. In addition, in case of need for catheterization, care and hygiene practices are essential in order to prevent infections.
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Type of Study: Research | Subject: General
Received: 2017/10/11 | Accepted: 2017/11/7 | Published: 2017/11/11 | ePublished: 2017/11/11

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