{
  "abstract": "Objectives This study aims to assess the impact of clinical pharmacist-led antimicrobial stewardship on antibiotic use and postoperative pulmonary infection in a surgical department.Design Retrospective and cross-sectional.Setting A tertiary hospital in Wuhan, China.Participants A total of 9157 patients who underwent video-assisted thoracoscopic lung surgery (VATLS) were included (4949 and 4208 pre-implementation and post-implementation).Methods An interrupted time-series design with segmented regression analysis was employed to evaluate changes in antibiotic use intensity (defined daily dose/100 bed-days), antibiotic spectrum coverage (scores/100 bed-days) and postoperative pulmonary infection rate before and after implementation of the stewardship programme. Between-group comparisons of antibiotic use rates and treatment duration were performed using χ 2 test, Fisher’s exact test, t-test or Mann-Whitney U test, as appropriate.Outcome measures Antibiotic use intensity (defined daily dose/100 bed-days), antibiotic spectrum coverage (scores/100 bed-days), postoperative pulmonary infection rates, the proportion and the duration of antibiotic use.Results Following implementation, antibiotic use intensity decreased immediately by 96.65 defined daily doses/100 bed-days (95% CI −122.56 to −70.74; p<0.001). Antibiotic spectrum coverage (ASC) also showed an immediate reduction of 4.77 scores/100 bed-days (95% CI −6.12 to −3.42; p<0.001), although a gradual upward trend in ASC was observed during the post-implementation period. No significant change was seen for postoperative pulmonary infection rates between the two periods. Prescribing patterns shifted towards narrower-spectrum agents: the proportion of first-generation cephalosporins increased from 17.6% to 45.5% (p<0.001), while usage of fourth-generation cephalosporins (12.3% to 1.5%), β-lactam/β-lactamase inhibitors (63.9% to 12.6%), quinolones (57.4% to 27.4%), carbapenems (0.8% to 0.4%) and glycopeptides (8.2% to 3.1%) declined significantly (all p<0.05). The median duration of antimicrobial therapy was shortened across most antibiotic classes.Conclusion Clinical pharmacist-led antimicrobial stewardship can reduce the antibiotic use intensity among patients undergoing VATLS in thoracic surgery, decrease the use of broad-spectrum antibiotics and shorten the duration of antibiotic therapy.",
  "authors": [
    {
      "affiliations": [
        "Department of Pharmacy, Huazhong University of Science and Technology Tongji Medical College Tongji Hospital, Wuhan, Hubei, China"
      ],
      "name": "Guangjie Wu"
    },
    {
      "affiliations": [
        "Department of Infection Management, The People’s Hospital of Lincang, Lincang, China"
      ],
      "name": "Fuying Guo"
    },
    {
      "affiliations": [
        "Department of Pharmacy, Huazhong University of Science and Technology Tongji Medical College Tongji Hospital, Wuhan, Hubei, China"
      ],
      "name": "Yan He"
    },
    {
      "affiliations": [
        "Department of Information, Zhujiang Hospital of Southern Medical University, Guangzhou, China"
      ],
      "name": "Jianhua Lu"
    },
    {
      "affiliations": [
        "Department of Pharmacy, Huazhong University of Science and Technology Tongji Medical College Tongji Hospital, Wuhan, Hubei, China"
      ],
      "name": "Dong Liu"
    },
    {
      "affiliations": [
        "Tongji Medical College, School of Public Health, Department of Social Medicine and Health Management, Huazhong University of Science and Technology, Wuhan, Hubei, China"
      ],
      "name": "Xiaoxv Yin"
    }
  ],
  "title": "Impact of a clinical pharmacist-led stewardship programme on antibiotic utilisation and clinical outcomes in thoracic surgery: a retrospective interrupted time-series study at a tertiary hospital in China",
  "uid": "b4936a4a-baf2-5b89-a2c7-7b19902b1c38"
}