Effectiveness of an active intervention to improve notification in an antimicrobial resistance surveillance system in a developing country

Abstract number: R2301

Álvarez C., Castillo J.S., Buitrago G., Leal A.L., Henriquez D.H., Cortés J.A.

Background: Surveillance is the first step for antimicrobial resistance contention. Adherence to periodic notification is an important problem in surveillance systems, our work describe the impact of an active intervention to improve this notification in the Antimicrobial Resistance Surveillance System (ARSS) in Bogota-Colombia.

Methods: Created in 2004, all institutions of high and intermediate complexity with an institutional laboratory of microbiology in the city were potential eligible. Training in software Whonet and quality control of the laboratories was realised. Initially in 2005 we designed a passive system of digital capture of information, across Internet. Follow-up of notification was done with especial indicators. In 2006 there we designed an active intervention composed by retraining in Whonet, incorporation of variables of nosocomial infections, double sending of information (laboratory and infections committee), calls and mails, continuous assessment of the notification and visits to institutions problem. Change in notification was evaluated with a Wilcoxon test.

Results: 52 institutions trained since 2004 initiated notification in 2005, proportion of gross notification was 68.6% and timely notification was 58.3%. In 2006 after the intervention, statistical difference in notification percentages (p < 0.002), were observed 96.1 and 95.1% respectively (Figure 1). ARSS has generated trends in bacterial resistance for hospital system in Bogota, alert system, technical advices and bulletins to improve technical choices.

Conclusions: Our Active interventions to improve the notification had a significant impact in the system. The ARSS has showed a more exact panorama of the antimicrobial resistance in our city.

Figure 1

Session Details

Date: 19/04/2008
Time: 00:00-00:00
Session name: 18th European Congress of Clinical Microbiology and Infectious Diseases
Location: Barcelona, Spain
Presentation type:
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