Journal
INTERNATIONAL JOURNAL OF INFECTIOUS DISEASES
Volume 124, Issue -, Pages 124-132Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ijid.2022.09.015
Keywords
Empirical treatment; Broad-spectrum antibiotics; Mortality; Community-onset pneumonia; Antibiotic resistance
Categories
Funding
- Japan Society for the Promotion of Science KAKENHI [20K08517]
- Central Japan Lung Study Group
- Shionogi Co., Ltd.
- Daiichi Sankyo Co., Ltd.
- Janssen Pharmaceutical K.K.
- Eli Lilly Japan K.K.
- Taisho Toyama Pharmaceutical Co., Ltd.
- MSD K.K.
- Astellas Pharma Inc.
- Chugai Pharmaceutical Co., Ltd.
- Nippon Boehringer Ingelheim Co., Ltd.
- Dainippon Sumitomo Pharma Co., Ltd.
- Meiji Seika Pharma Co., Ltd.
- Bayer Holding Ltd.
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The objective of this study was to assess the impact of unnecessary extended-spectrum therapy on the mortality of patients with community-acquired pneumonia (CAP) who are at low risk for drug-resistant pathogens (DRPs). The findings indicate that extended-spectrum therapy is associated with increased 30-day mortality compared to standard therapy.
Objectives: The potential hazards of extended-spectrum antibiotic therapy for patients with community -acquired pneumonia (CAP) with low risk for drug-resistant pathogens (DRPs) remain unclear; however, risk assessment for DRPs is essential to determine the initial antibiotics to be administered. The study objective was to assess the effect of unnecessary extended-spectrum therapy on the mortality of such patients.Methods: A post hoc analysis was conducted after a prospective multicenter observational study for CAP. Multivariable logistic regression analysis was performed to assess the effect of extended-spectrum ther-apy on 30-day mortality. Three sensitivity analyses, including propensity score analysis to confirm the robustness of findings, were also performed.Results: Among 750 patients with CAP, 416 with CAP with a low risk for DRPs were analyzed; of these, 257 underwent standard therapy and 159 underwent extended-spectrum therapy. The 30-day mortality was 3.9% and 13.8% in the standard and extended-spectrum therapy groups, respectively. Primary analy-sis revealed that extended-spectrum therapy was associated with increased 30-day mortality compared with standard therapy (adjusted odds ratio 2.82; 95% confidence interval 1.20-6.66). The results of the sensitivity analyses were consistent with those of the primary analysis.Conclusion: Physicians should assess the risk for DRPs when determining the empirical antibiotic therapy and should refrain from administering unnecessary extended-spectrum antibiotics for patients with CAP with a low risk for DRPs.(c) 2022 The Authors. Published by Elsevier Ltd on behalf of International Society for Infectious Diseases. This is an open access article under the CC BY-NC-ND license ( http://creativecommons.org/licenses/by-nc-nd/4.0/ )
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