The impact of a multidisciplinary team on adherence to recommended antimicrobial therapy in neurosurgical units in Thailand

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ID: 318282
2026
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Ranked #135 of 143 articles by views in American journal of health-system pharmacy : AJHP : official journal of the American Society of Health-System Pharmacists

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Abstract
PURPOSE: To evaluate the impact of a multidisciplinary antimicrobial stewardship program (mASP) on adherence to recommended antimicrobial therapy in neurosurgical units. METHODS: A quasi-experimental study was conducted in Thammasat University Hospital between May 2020 and June 2022. Our primary outcome was adherence to recommended antimicrobial therapy, and secondary outcomes included clinical improvement, 30-day infectious disease-related mortality, antimicrobial use, and incidence of infection with multidrug-resistant (MDR) pathogens. RESULTS: Overall, 688 antimicrobial orders were reviewed during the study. The most prescribed antimicrobial for empiric therapy was piperacillin/tazobactam (266/688, 39.9%), and the most common source of infection was the respiratory tract (321/688, 46.7%). The overall adherence rate to recommended antimicrobial therapy was higher in the mASP period (70.3% vs 62.5%; P = 0.029). The overall acceptance rate of mASP recommendations was 83.1%. Furthermore, the mean volumes of carbapenem (P = 0.005) and vancomycin (P = 0.045) use declined, while the trend of cefazolin use increased (coefficient, 26.88; 95% confidence interval, 13.53 to 40.24; P < 0.001) during the study period. The incidence of infections caused by MDR pathogens significantly declined (P = 0.012), especially for infections caused by carbapenem-resistant Acinetobacter baumannii (P = 0.043). There were no differences in the secondary outcomes, inclusive of the proportion of patients with clinical improvement and 30-day infectious disease-related mortality. CONCLUSION: Implementation of an mASP in neurosurgical units was associated with improved adherence to recommended antimicrobial therapy, reduced use of broad-spectrum antibiotics, and a decline in the incidence of infections with MDR pathogens.
Reference Key
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Authors Kittiya Jantarathaneewat, Pataravit Rukskul, Pornchai Yodwisithsak, Wadrawee Kaewwichai, Bernard Camins, Anucha Apisarnthanarak
Journal American journal of health-system pharmacy : AJHP : official journal of the American Society of Health-System Pharmacists
Year 2026
DOI
10.1093/ajhp/zxag188
URL
https://doi.org/10.1093/ajhp/zxag188
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