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Impact of individualized feedback letters on adherence to surgical antibiotic prophylaxis guidelines: an interrupted
Chloé Vo1, Aurélie Vintze Geoffrion2, Zahra Abow Mohamed3
1Faculté de Pharmacie, Université de Montréal, Montréal, Québec, Canada; Pharmacy Department, Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada.
Background:
Surgical antibiotic prophylaxis (SAP) has been proved to decrease the rate of surgical site infections (SSI), but compliance to SAP guidelines remains suboptimal.
Aim:
This study evaluated the impact of periodically sending individualized feedback letters to surgeons and anesthesiologists on their compliance rate to SAP guidelines.
Methods:
A total of 1491 surgeries were evaluated by retrospective chart review during the pre-intervention period and 668 surgeries were evaluated by prospective chart review during the per-intervention period. Finally, 295 letters were sent to 64 surgeons and 45 anesthesiologists. Compliance rate was assessed as an outcome composed of: indication for SAP, choice of antibiotic agent, antibiotic dose, postoperative duration, timing of the preoperative dose and intraoperative redosing. An interrupted time series design was used to assess a difference on compliance rates before and during the intervention period.
Findings:
Sending individualized feedback letters to surgeons and anesthesiologists did not significantly improve the overall compliance to local SAP guidelines.
Conclusion:
Individualized feedback letters could be part of future interventions directed at improving compliance to SAP guidelines, but are likely insufficient by themselves to provide significant results.
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