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Characteristics and outcomes of patients with community-acquired and hospital-acquired sepsis.

ABSTRACT: OBJECTIVE:To compare the clinical characteristics and outcomes of patients with community-acquired and hospital-acquired sepsis. METHODS:This is a retrospective cohort study that included all patients with a diagnosis of sepsis detected between January 2010 and December 2015 at a private hospital in southern Brazil. Outcomes (mortality, intensive care unit and hospital lengths of stay) were measured by analyzing electronic records. RESULTS:There were 543 hospitalized patients with a diagnosis of sepsis, with a frequency of 90.5 (85 to 105) cases/year. Of these, 319 (58%) cases were classified as hospital-acquired sepsis. This group exhibited more severe disease and had a larger number of organ dysfunctions, with higher hospital [8 (8 - 10) versus 23 (20 - 27) days; p < 0.001] and intensive care unit [5 (4 - 7) versus 8.5 (7 - 10); p < 0.001] lengths of stay and higher in-hospital mortality (30.7% versus 15.6%; p < 0.001) than those with community-acquired sepsis. After adjusting for age, APACHE II scores, and hemodynamic and respiratory dysfunction, hospital-acquired sepsis remained associated with increased mortality (OR 1.96; 95%CI 1.15 - 3.32, p = 0.013). CONCLUSION:The present results contribute to the definition of the epidemiological profile of sepsis in the sample studied, in which hospital-acquired sepsis was more severe and was associated with higher mortality.

SUBMITTER: Westphal GA

PROVIDER: S-EPMC6443308 | biostudies-literature | 2019 Jan-Mar

REPOSITORIES: biostudies-literature

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Characteristics and outcomes of patients with community-acquired and hospital-acquired sepsis.

Westphal Glauco Adrieno GA Pereira Aline Braz AB Fachin Silvia Maria SM Barreto Ana Carolina Caldara ACC Bornschein Ana Carolina Gern Junqueira ACGJ Caldeira Filho Milton M Koenig Álvaro Á

Revista Brasileira de terapia intensiva 20190101 1

<h4>Objective</h4>To compare the clinical characteristics and outcomes of patients with community-acquired and hospital-acquired sepsis.<h4>Methods</h4>This is a retrospective cohort study that included all patients with a diagnosis of sepsis detected between January 2010 and December 2015 at a private hospital in southern Brazil. Outcomes (mortality, intensive care unit and hospital lengths of stay) were measured by analyzing electronic records.<h4>Results</h4>There were 543 hospitalized patien ...[more]

PMID: 30970093

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Project description:Severe sepsis poses a major burden on the U.S. healthcare system. Previous epidemiologic studies have not differentiated community-acquired severe sepsis from healthcare-associated severe sepsis or hospital-acquired severe sepsis hospitalizations. We sought to compare and contrast community-acquired severe sepsis, healthcare-associated severe sepsis, and hospital-acquired severe sepsis hospitalizations in a national hospital sample.Retrospective analysis of severe sepsis discharges from University HealthSystem Consortium hospitals in 2012.United States.We used the criteria from Angus et al (discharge diagnoses for both a serious infection and organ dysfunction) to identify severe sepsis hospitalizations. We defined healthcare-associated severe sepsis as severe sepsis hospitalizations with an infection present at admission, where the patient was a nursing home resident, was on hemodialysis, or was readmitted within 30 days of a prior hospitalization. We defined community-acquired severe sepsis as all other severe sepsis patients with an infection present at admission. We defined hospital-acquired severe sepsis as severe sepsis patients where the documented infection was not present at admission.None.Prevalence of community-acquired severe sepsis, healthcare-associated severe sepsis, and hospital-acquired severe sepsis, adjusted hospital mortality, length of hospitalization, length of stay in an ICU, and hospital costs. Among 3,355,753 hospital discharges, there were 307,491 with severe sepsis, including 193,081 (62.8%) community-acquired severe sepsis, 79,581 (25.9%) healthcare-associated severe sepsis, and 34,829 (11.3%) hospital-acquired severe sepsis. Hospital-acquired severe sepsis and healthcare-associated severe sepsis exhibited higher in-hospital mortality than community-acquired severe sepsis (hospital acquired [19.2%] vs healthcare associated [12.8%] vs community acquired [8.6%]). Hospital-acquired severe sepsis had greater resource utilization than both healthcare-associated severe sepsis and community-acquired severe sepsis, with higher median length of hospital stay (hospital acquired [17 d] vs healthcare associated [7 d] vs community acquired [6 d]), median length of ICU stay (hospital acquired [8 d] vs healthcare associated [3 d] vs community acquired [3 d]), and median hospital costs (hospital acquired [$38,369] vs healthcare associated [$8,796] vs community acquired [$7,024]).In this series, severe sepsis hospitalizations included community-acquired severe sepsis (62.8%), healthcare-associated severe sepsis (25.9%), and hospital-acquired severe sepsis (11.3%) cases. Hospital-acquired severe sepsis was associated with both higher mortality and resource utilization than community-acquired severe sepsis and healthcare-associated severe sepsis.

Project description:BackgroundCommunity acquired bacteremia (CAB) is a common cause of sepsis in low and middle-income countries (LMICs). However, knowledge about factors associated with outcomes of CAB in LMICs is limited.Methodology/principal findingsA prospective observational study (Ubon-sepsis) of adults admitted to a referral hospital with community-acquired infection in Northeastern Thailand was conducted between March 1, 2013 and February 1, 2017. In the present analysis, patients with a blood culture collected within 24 hours of admission that was positive for one of the three most common pathogens were studied. Clinical features, management, and outcomes of patients with each cause of CAB were compared. Of 3,806 patients presenting with community-acquired sepsis, 155, 131 and 37 patients had a blood culture positive for Escherichia coli, Burkholderia pseudomallei and Staphylococcus aureus, respectively. Of these 323 CAB patients, 284 (89%) were transferred from other hospitals. 28-day mortality was highest in patients with B. pseudomallei bactaeremia (66%), followed by those with S. aureus bacteraemia (43%) and E. coli (19%) bacteraemia. In the multivariable Cox proportional hazards model adjusted for age, sex, transfer from another hospital, empirical antibiotics prior to or during the transfer, and presence of organ dysfunction on admission, B. pseudomallei (aHR 3.78; 95%CI 2.31-6.21) and S. aureus (aHR 2.72; 95%CI 1.40-5.28) bacteraemias were associated with higher mortality compared to E. coli bacteraemia. Receiving empirical antibiotics recommended for CAB caused by the etiologic organism prior to or during transfer was associated with survival (aHR 0.58; 95%CI 0.38-0.88).Conclusions/significanceMortality of patients with CAB caused by B. pseudomallei was higher than those caused by S. aureus and E. coli, even after adjusting for presence of organ dysfunction on admission and effectiveness of empirical antibiotics received. Improving algorithms or rapid diagnostic tests to guide early empirical antibiotic may be key to improving CAB outcomes in LMICs.

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Characteristics and outcomes of patients with community-acquired and hospital-acquired sepsis.

Publications

Characteristics and outcomes of patients with community-acquired and hospital-acquired sepsis.

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