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Antibiotics have brought about a substantial reduction in infectious mortality. However, inappropriate antibiotic use has driven the rapid increase in antibiotic resistance. The Centers for Disease Control and Prevention estimates that at least 2 million people in the United States (US) become infected with antibiotic-resistant bacteria each year, and at least 23,000 people die each year as a direct result of these infections.
Antimicrobial stewardship programs have largely focused on inpatient settings and have excluded emergency departments (ED). The ED is a unique healthcare setting which is distinct from inpatient and other ambulatory settings. Given the many factors that could influence inappropriate antibiotic prescribing, a one-size-fits-all approach is unlikely to work for all physicians and all regions. Hence, the design and implementation of tailored interventions based on the understanding of the local patient, physician, and ED organizational factors are pertinent for the interventions. The team has conducted a mixed-methods study to understand the patient, physician, and organisational factors that influence antibiotic prescribing in the local EDs. The findings of the study were used to design two interventions which will be implemented in four EDs in Singapore to reduce the inappropriate antibiotic prescribing in the ED.
This study aims to evaluate the effectiveness of 2 tailored antimicrobial stewardship interventions in reducing antibiotic prescribing rates for uncomplicated URTI patients attending four adult EDs in Singapore:
The study will include an initial control period of 18 months where none of the 4 hospitals will be exposed to the interventions. At the beginning of the intervention period, the 4 hospitals will be randomly assigned to one of the 2 interventions (Patient education or physician feedback). At the end of 6 months, all hospitals will receive the other intervention and be exposed to both interventions concurrently. Data will be collected for another 6 months to assess if the effects of the interventions are persistent.
Full description
Antibiotics, along with improved sanitation and vaccination, have brought about a substantial reduction in infectious mortality. However, inappropriate antibiotic use has driven the rapid increase in antibiotic resistance. The Centers for Disease Control and Prevention estimates that at least 2 million people in the United States (US) become infected with antibiotic-resistant bacteria each year, and at least 23,000 people die each year as a direct result of these infections.
To date, antimicrobial stewardship programs attempting to optimize antibiotic therapy and clinical outcomes have largely focused on inpatient settings and have excluded emergency departments (ED). The ED is a unique healthcare setting which is distinct from inpatient and other ambulatory settings. Given the multi-factorial nature of inappropriate antibiotic prescribing, it is unlikely that a single approach will work for all physicians in all regions. Hence, the design and implementation of tailored interventions based on the understanding of the local patient, physician, and ED organizational factors are pertinent for the interventions. The team has conducted a mixed-methods study to understand the patient, physician, and organisational factors that influence antibiotic prescribing in the local EDs. The findings of the study were used to design two interventions which will be implemented in four EDs in Singapore to reduce the inappropriate antibiotic prescribing in the ED.
This study aims to evaluate the effectiveness of 2 tailored antimicrobial stewardship interventions in reducing antibiotic prescribing rates for uncomplicated URTI patients attending four adult EDs in Singapore:
Using the stepped wedge design, the study will include an initial control period of 18 months where none of the 4 hospitals will be exposed to the interventions. During the intervention period, the 4 hospitals will be randomly assigned to one of the 2 tailored interventions. At the end of 6 months, all hospitals will receive the other intervention and be exposed to both interventions concurrently. Data will be collected for another 6 months to assess the persistence of the effects of the interventions.
Patient educational materials: Education materials (patient leaflets) will be made available at the Emergency Departments of the participating sites. Patients will be exposed to these materials while visiting the Emergency Department prior to their consultation with the physician.
Feedback to individual physicians by senior doctors: Messages containing the individual antibiotic prescribing rate of each physician in the past month will be sent every two months to the respective physician by their department head (or senior doctor) via Tiger Text. The bite-sized information on tips to reduce antibiotic prescribing for URTI will be sent together with the personalised message.
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15,157 participants in 2 patient groups
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Central trial contact
Angela Chow, Ph.D
Data sourced from clinicaltrials.gov
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