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ImportancePneumonia is the most common infection requiring hospitalization and is a major reason for overuse of extended-spectrum antibiotics. Despite low risk of multidrug-resistant organism (MDRO) infection, clinical uncertainty often drives initial antibiotic selection. Strategies to limit empiric antibiotic overuse for patients with pneumonia are needed.ObjectiveTo evaluate whether computerized provider order entry (CPOE) prompts providing patient- and pathogen-specific MDRO infection risk estimates could reduce empiric extended-spectrum antibiotics for non–critically ill patients admitted with pneumonia.Design, Setting, and ParticipantsCluster-randomized trial in 59 US community hospitals comparing the effect of a CPOE stewardship bundle (education, feedback, and real-time MDRO risk-based CPOE prompts; n = 29 hospitals) vs routine stewardship (n = 30 hospitals) on antibiotic selection during the first 3 hospital days (empiric period) in non–critically ill adults (≥18 years) hospitalized with pneumonia. There was an 18-month baseline period from April 1, 2017, to September 30, 2018, and a 15-month intervention period from April 1, 2019, to June 30, 2020.InterventionCPOE prompts recommending standard-spectrum antibiotics in patients ordered to receive extended-spectrum antibiotics during the empiric period who have low estimated absolute risk (<10%) of MDRO pneumonia, coupled with feedback and education.Main Outcomes and MeasuresThe primary outcome was empiric (first 3 days of hospitalization) extended-spectrum antibiotic days of therapy. Secondary outcomes included empiric vancomycin and antipseudomonal days of therapy and safety outcomes included days to intensive care unit (ICU) transfer and hospital length of stay. Outcomes compared differences between baseline and intervention periods across strategies.ResultsAmong 59 hospitals with 96 451 (51 671 in the baseline period and 44 780 in the intervention period) adult patients admitted with pneumonia, the mean (SD) age of patients was 68.1 (17.0) years, 48.1% were men, and the median (IQR) Elixhauser comorbidity count was 4 (2-6). Compared with routine stewardship, the group using CPOE prompts had a 28.4% reduction in empiric extended-spectrum days of therapy (rate ratio, 0.72 [95% CI, 0.66-0.78]; P < .001). Safety outcomes of mean days to ICU transfer (6.5 vs 7.1 days) and hospital length of stay (6.8 vs 7.1 days) did not differ significantly between the routine and CPOE intervention groups.Conclusions and RelevanceEmpiric extended-spectrum antibiotic use was significantly lower among adults admitted with pneumonia to non-ICU settings in hospitals using education, feedback, and CPOE prompts recommending standard-spectrum antibiotics for patients at low risk of MDRO infection, compared with routine stewardship practices. Hospital length of stay and days to ICU transfer were unchanged.Trial RegistrationClinicalTrials.gov Identifier: NCT03697070
ImportancePneumonia is the most common infection requiring hospitalization and is a major reason for overuse of extended-spectrum antibiotics. Despite low risk of multidrug-resistant organism (MDRO) infection, clinical uncertainty often drives initial antibiotic selection. Strategies to limit empiric antibiotic overuse for patients with pneumonia are needed.ObjectiveTo evaluate whether computerized provider order entry (CPOE) prompts providing patient- and pathogen-specific MDRO infection risk estimates could reduce empiric extended-spectrum antibiotics for non–critically ill patients admitted with pneumonia.Design, Setting, and ParticipantsCluster-randomized trial in 59 US community hospitals comparing the effect of a CPOE stewardship bundle (education, feedback, and real-time MDRO risk-based CPOE prompts; n = 29 hospitals) vs routine stewardship (n = 30 hospitals) on antibiotic selection during the first 3 hospital days (empiric period) in non–critically ill adults (≥18 years) hospitalized with pneumonia. There was an 18-month baseline period from April 1, 2017, to September 30, 2018, and a 15-month intervention period from April 1, 2019, to June 30, 2020.InterventionCPOE prompts recommending standard-spectrum antibiotics in patients ordered to receive extended-spectrum antibiotics during the empiric period who have low estimated absolute risk (<10%) of MDRO pneumonia, coupled with feedback and education.Main Outcomes and MeasuresThe primary outcome was empiric (first 3 days of hospitalization) extended-spectrum antibiotic days of therapy. Secondary outcomes included empiric vancomycin and antipseudomonal days of therapy and safety outcomes included days to intensive care unit (ICU) transfer and hospital length of stay. Outcomes compared differences between baseline and intervention periods across strategies.ResultsAmong 59 hospitals with 96 451 (51 671 in the baseline period and 44 780 in the intervention period) adult patients admitted with pneumonia, the mean (SD) age of patients was 68.1 (17.0) years, 48.1% were men, and the median (IQR) Elixhauser comorbidity count was 4 (2-6). Compared with routine stewardship, the group using CPOE prompts had a 28.4% reduction in empiric extended-spectrum days of therapy (rate ratio, 0.72 [95% CI, 0.66-0.78]; P < .001). Safety outcomes of mean days to ICU transfer (6.5 vs 7.1 days) and hospital length of stay (6.8 vs 7.1 days) did not differ significantly between the routine and CPOE intervention groups.Conclusions and RelevanceEmpiric extended-spectrum antibiotic use was significantly lower among adults admitted with pneumonia to non-ICU settings in hospitals using education, feedback, and CPOE prompts recommending standard-spectrum antibiotics for patients at low risk of MDRO infection, compared with routine stewardship practices. Hospital length of stay and days to ICU transfer were unchanged.Trial RegistrationClinicalTrials.gov Identifier: NCT03697070
Approximately half of hospitalized adults in the US receive antibiotics, with pneumonia and urinary tract infection (UTI) being the 2 most frequent indications. 1 Estimates suggest about 30% of all antibiotics prescribed in US hospitals are either unnecessary or suboptimal, 2 and extended-spectrum antibiotic use is common. 3 Unnecessary antibiotic use contributes to numerous harms, including drug-related adverse effects, increased risk of drug resistance, and higher costs.Antimicrobial stewardship aims to optimize antimicrobial use, minimize associated harms, and improve clinical outcomes, and over the past 2 decades, the field of stewardship has emerged and evolved. In 2014, the US Centers for Disease Control and Prevention introduced the Core Elements of Hospital Antibiotic Stewardship Programs to help hospitals with implementation. 2 Among these Core Elements are hospital leadership commitment, accountability, pharmacy expertise, action, tracking, reporting, and education.In 2015, the US National Action Plan for Combating Antibiotic-Resistant Bacteria set an implementation goal of the Centers for Disease Control and Prevention's Core Elements in all hospitals that receive federal funding. By 2022, an impressive 97% of approximately 5100 US acute care hospitals reported meeting all 7 Core Elements of effective antimicrobial stewardship programs compared with only 41% in 2014. 4 With much of the low-hanging fruit of stewardship interventions already picked (eg, guideline development and formulary restrictions), the demand for novel, scalable, sustainable strategies remains, especially addressing the empiric use of extended-spectrum antibiotic therapy.In this issue of JAMA, Gohil and colleagues report the results of 2 related trials examining the use of computerized provider order entry (CPOE) prompts to reduce empiric use of extended-spectrum antibiotics among adults admitted for either pneumonia or UTI. 5,6 The INSPIRE Pneumonia and INSPIRE UTI trials were conducted at a network of 59 geographically diverse community hospitals across the US. Using a cluster-randomized design, the investigators compared routine stewardship (ie, education, feedback) with the CPOE bundle composed of routine stewardship plus CPOE entry prompts that recommended standard-spectrum instead of extended-spectrum antibiotics during the first 3 hospital days (empiric period) for patients with a low absolute risk (<10%) of infections associated with multidrug-resistant organisms.
The diagnosis of pneumonia is based on respiratory and systemic symptoms, blood test findings, chest radiographic findings, and the condition of the patient. Physicians in aging or aged societies such as Japan carefully evaluate the comprehensive situation of each pneumonia patient with adequate evaluation and treatment according to "the Japanese Respiratory Society guidelines for the management of pneumonia in adults in 2024". These guidelines categorize pneumonia into three types: community-acquired, nursing-and healthcare-associated, and hospital-acquired. The selection of treatment settings and empirical antimicrobials for pneumonia depends on pneumonia classification, severity, and risk factors for potential drug-resistant bacteria, as outlined in the JRS guidelines. This review concisely describes the historical evolution of the diagnosis and treatment of pneumonia in elderly societies, including aspiration pneumonia, from multiple perspectives. In addition, it explores the differential diagnoses when antimicrobial treatment for pneumonia is ineffective, highlighting key aspects through chest radiography and computed tomography.
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