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Optimizing the timing of antimicrobial prophylaxis in surgery: an intervention study
I C Gyssens1, I E Geerligs, M G Nannini-Bergman
1Department of General Internal Medicine, University Hospital Nijmegen, The Netherlands.
Insights
An educational intervention significantly improved surgical antimicrobial prophylaxis timing. Adherence to single-dose prophylaxis within one hour before incision increased, enhancing patient safety and infection prevention strategies.
Area of Science:
- Infectious Diseases
- Surgical Practice
- Hospital Pharmacy
Background:
- Surgical antimicrobial prophylaxis is crucial for preventing surgical site infections.
- Adherence to recommended timing and dosage protocols is often suboptimal.
- Improving prophylaxis practices can reduce antibiotic resistance and healthcare costs.
Purpose of the Study:
- To evaluate the impact of an educational intervention and new protocols on surgical antimicrobial prophylaxis timing.
- To assess the change in adherence to single-dose prophylaxis administered within one hour before incision.
- To compare prophylaxis timing in university hospital departments versus a community hospital.
Main Methods:
- Prospective study in three university hospital surgical departments and one community hospital.
- Intervention included surgeon, anesthetist, and nurse education on prophylaxis protocols.
- New protocols emphasized single-dose prophylaxis administered within one hour before incision.
Main Results:
- Adherence to prophylaxis within one hour before incision increased significantly in university departments (39% to 69% in Dept A, 64% to 80% in Dept B).
- Administration of prophylactic antibiotics before tourniquet inflation improved post-intervention.
- Single-dose prophylaxis use increased substantially (21% to 78% in Dept A, 31% to 85% in Dept B).
Conclusions:
- The educational intervention and protocol implementation successfully improved the quality of surgical antimicrobial prophylaxis.
- Enhanced adherence to timing and single-dose regimens contributes to better patient outcomes.
- Standardized prophylaxis protocols are effective in improving surgical care quality.
Abstract:
The timing of surgical antimicrobial prophylaxis was determined before and after an intervention programme of education of surgeons, anaesthetists and nurses on the subject of antimicrobial drug prophylaxis, and the subsequent implementation of new protocols of single dose prophylaxis administered within one hour before incision. This prospective study was performed in three surgical departments of a university hospital. For comparison, the timing of prophylaxis was also determined in an operating department of a community hospital. The timing improved considerably in the departments of the university hospital where the intervention was carried out: administration of the first dose within one hour before incision increased from 39% to 69% in department A and from 64% to 80% in department B. Before the intervention, seven out of 16 prophylactic doses were given after inflation of the tourniquet. After the intervention all doses of prophylactic antibiotics were administered before inflation of the tourniquet. Initially, the intervals of multidose prophylaxis varied widely. In the second review, single-dose prophylaxis increased from 21% to 78% in department A and from 31% to 85% in department B. We conclude that the intervention succeeded in improving the quality of surgical prophylaxis.