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. 2012 Mar 31;25(1):3-7.

Nosocomial infections among burn patients in Teheran, Iran: a decade later

R Alaghehbandan  1 , L Azimi, A Rastegar Lari
Affiliations

Nosocomial infections among burn patients in Teheran, Iran: a decade later

R Alaghehbandan et al. Ann Burns Fire Disasters. .

Abstract
in English, French

The aim of this study was to determine the epidemiology of nosocomial infections among burn patients in a tertiary burn care centre in Tehran, Iran. A cross-sectional study was carried out during a 6-month period from August 2010 to January 2011 at Motahari Burn and Reconstruction Center in Tehran. Of 155 patients, 677 samples of wound and blood were taken for culture during the course of hospitalization. The rate of positive culture during the 1(st), 2(nd), 3(rd), and 4(th) week of hospitalization were 76.3%, 99.3%, 100%, and 100%, respectively. On the 2(nd), 3(rd), and 4(th) week of hospitalization, Pseudomonas aeruginosa was the most common pathogen followed by Acinetobacter, while the culture positive rate for Staphylococcus spp., Enterobacteriaceae, and Enterococcus spp. significantly decreased (P < 0.001). In this study, 70 patients out of 155 (45.2%) had at least one Acinetobacter positive culture. Our results showed that P. aeruginosa is still the leading cause of nosocomial infections. Additionally, Acinetobacter has appeared as an emerging nosocomial pathogen, and should be considered as a serious risk. We believe that changes in burn wounds' bacterial colonization over time require consistent assessment and monitoring of these changes in any burn center.

Les Auteurs de cette étude se sont proposés de déterminer l'épidémiologie des infections nosocomiales chez les patients brûlés dans un centre tertiaire des soins à Téhéran, Iran. Ils ont effectué une étude transversale au cours d'une période de six mois (août 2010 jusqu'à janvier 2011) au Centre de Motahari pour les Patients Brulés et la Reconstruction à Téhéran. Ils ont trouvé que dans les quatre semaines de l'hospitalisation les 677 échantillons prélevés à 155 patients atteints de brulures présentaient après culture un taux de positivité de 76,3%, 99,3%, 100% et 100%, respectivement. Pendant la 2e, 3e et 4e semaine de l'hospitalisation, Pseudomonas aeruginosa était le pathogène le plus commun, suivi par Acinetobacter, tandis que le taux de positivité dans les cultures de Staphylococcus spp, Enterobacteriaceae et Enterococcus spp diminuait de façon significative (p < 0,001). Dans cette étude, 70 des 155 (45,2%) patients avaient au moins une culture positive d'Acinetobacter. Ces résultats ont démontré que P. aeruginosa est encore la principale cause des infections nosocomiales. En outre, Acinetobacter constitue aujourd'hui un pathogène nosocomial émergent qui doit être considéré comme un risque sérieux. Les Auteurs soutiennent la nécessité de monitoriser continuellement les modifications de la colonisation bactérienne des patients brûlés et leur suivi dans tous les centres des brûlés à tous les niveaux. Il faut aussi chercher de controller les facteurs qui jouent un role dans la colonisation des agents microbiens.

Keywords: Iran; burns; epidemiology; nosocomial infections.

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Figures

Table I
Table I. Frequency of various bacteriological species isolated during the course of hospitalization in burn patients
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