Impact of antimicrobial stewardship interventions on post-elective caesarean antibiotic prophylaxis and surgical site infections

Background Antimicrobial stewardship programs (ASP) aim to improve appropriate antimicrobial use but few studies have described its impact on unique population such as obstetrics. Post-operative antibiotics are unnecessary especially in those without surgical site infections (SSI) risk factors (e.g....

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Main Authors: Valerie Xue Fen Seah, Rina Yue Ling Ong, Cedric Wei Ming Poh, Kai Qian Kam, Shahul Hameed Mohamed Siraj, Koh Cheng Thoon
Format: Article
Language:English
Published: SAGE Publishing 2025-01-01
Series:Proceedings of Singapore Healthcare
Online Access:https://doi.org/10.1177/20101058251318754
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author Valerie Xue Fen Seah
Rina Yue Ling Ong
Cedric Wei Ming Poh
Kai Qian Kam
Shahul Hameed Mohamed Siraj
Koh Cheng Thoon
author_facet Valerie Xue Fen Seah
Rina Yue Ling Ong
Cedric Wei Ming Poh
Kai Qian Kam
Shahul Hameed Mohamed Siraj
Koh Cheng Thoon
author_sort Valerie Xue Fen Seah
collection DOAJ
description Background Antimicrobial stewardship programs (ASP) aim to improve appropriate antimicrobial use but few studies have described its impact on unique population such as obstetrics. Post-operative antibiotics are unnecessary especially in those without surgical site infections (SSI) risk factors (e.g., obesity). Objectives To evaluate the impact of ASP interventions on post-elective caesarean (eLSCS) oral antibiotic prophylaxis rates and patient outcomes. Methods This pre-post quasi-experimental study was conducted over 18 months (2 months pre- and 16 months post-intervention) in all women admitted for eLSCS in our institution. Interventions included eLSCS surgical prophylaxis guideline dissemination and post-eLSCS oral antibiotics was actively discouraged in those without SSI risk factors. This was followed by ASP intervention notes (phase 1) for 3 months, contacting the ward team for the next 7 months (phase 2) and subsequently the primary obstetrics attending in Phase 3 (next 6 months). The primary outcome was post-operative oral antibiotics prescription rates, and secondary outcomes included 30-day post-operative SSI rates. Results A total of 1751 women was reviewed. Appropriateness of pre-operative antibiotic prophylaxis was 99%. There were 244 (13.9%) women pre-intervention and 1507 (86.1%) post-intervention. Post-eLSCS antibiotic prescribing rates reduced significantly post-intervention (200, 82% vs 705, 46.8%, p < 0.001). There was no significant difference in SSI rates pre-post intervention (2, 0.8% vs 28, 1.9%, p = 0.420). There was also no significant difference in SSI rates among those who received post-operative oral antibiotics compared to those without (1.9%, 17 of 905 vs 1.5%, 13 of 846, p = 0.582). Conclusions ASP interventions can reduce unnecessary post-eLSCS antibiotic prophylaxis use without adversely impacting patient safety.
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spelling doaj-art-6c25b3376fc040049498fe73f5c1af002025-02-01T17:03:19ZengSAGE PublishingProceedings of Singapore Healthcare2059-23292025-01-013410.1177/20101058251318754Impact of antimicrobial stewardship interventions on post-elective caesarean antibiotic prophylaxis and surgical site infectionsValerie Xue Fen SeahRina Yue Ling OngCedric Wei Ming PohKai Qian KamShahul Hameed Mohamed SirajKoh Cheng ThoonBackground Antimicrobial stewardship programs (ASP) aim to improve appropriate antimicrobial use but few studies have described its impact on unique population such as obstetrics. Post-operative antibiotics are unnecessary especially in those without surgical site infections (SSI) risk factors (e.g., obesity). Objectives To evaluate the impact of ASP interventions on post-elective caesarean (eLSCS) oral antibiotic prophylaxis rates and patient outcomes. Methods This pre-post quasi-experimental study was conducted over 18 months (2 months pre- and 16 months post-intervention) in all women admitted for eLSCS in our institution. Interventions included eLSCS surgical prophylaxis guideline dissemination and post-eLSCS oral antibiotics was actively discouraged in those without SSI risk factors. This was followed by ASP intervention notes (phase 1) for 3 months, contacting the ward team for the next 7 months (phase 2) and subsequently the primary obstetrics attending in Phase 3 (next 6 months). The primary outcome was post-operative oral antibiotics prescription rates, and secondary outcomes included 30-day post-operative SSI rates. Results A total of 1751 women was reviewed. Appropriateness of pre-operative antibiotic prophylaxis was 99%. There were 244 (13.9%) women pre-intervention and 1507 (86.1%) post-intervention. Post-eLSCS antibiotic prescribing rates reduced significantly post-intervention (200, 82% vs 705, 46.8%, p < 0.001). There was no significant difference in SSI rates pre-post intervention (2, 0.8% vs 28, 1.9%, p = 0.420). There was also no significant difference in SSI rates among those who received post-operative oral antibiotics compared to those without (1.9%, 17 of 905 vs 1.5%, 13 of 846, p = 0.582). Conclusions ASP interventions can reduce unnecessary post-eLSCS antibiotic prophylaxis use without adversely impacting patient safety.https://doi.org/10.1177/20101058251318754
spellingShingle Valerie Xue Fen Seah
Rina Yue Ling Ong
Cedric Wei Ming Poh
Kai Qian Kam
Shahul Hameed Mohamed Siraj
Koh Cheng Thoon
Impact of antimicrobial stewardship interventions on post-elective caesarean antibiotic prophylaxis and surgical site infections
Proceedings of Singapore Healthcare
title Impact of antimicrobial stewardship interventions on post-elective caesarean antibiotic prophylaxis and surgical site infections
title_full Impact of antimicrobial stewardship interventions on post-elective caesarean antibiotic prophylaxis and surgical site infections
title_fullStr Impact of antimicrobial stewardship interventions on post-elective caesarean antibiotic prophylaxis and surgical site infections
title_full_unstemmed Impact of antimicrobial stewardship interventions on post-elective caesarean antibiotic prophylaxis and surgical site infections
title_short Impact of antimicrobial stewardship interventions on post-elective caesarean antibiotic prophylaxis and surgical site infections
title_sort impact of antimicrobial stewardship interventions on post elective caesarean antibiotic prophylaxis and surgical site infections
url https://doi.org/10.1177/20101058251318754
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