Prevalence and outcome of bloodstream infections due to third-generation cephalosporin-resistant Enterobacteriaceae in sub-Saharan Africa: a systematic review
R Lester, P Musicha, N Van Ginneken… - Journal of …, 2020 - academic.oup.com
Journal of Antimicrobial Chemotherapy, 2020•academic.oup.com
Background The prevalence of bacterial bloodstream infections (BSIs) in sub-Saharan Africa
(sSA) is high and antimicrobial resistance is likely to increase mortality from these infections.
Third-generation cephalosporin-resistant (3GC-R) Enterobacteriaceae are of particular
concern, given the widespread reliance on ceftriaxone for management of sepsis in Africa.
Objectives Reviewing studies from sSA, we aimed to describe the prevalence of 3GC
resistance in Escherichia coli, Klebsiella and Salmonella BSIs and the in-hospital mortality …
(sSA) is high and antimicrobial resistance is likely to increase mortality from these infections.
Third-generation cephalosporin-resistant (3GC-R) Enterobacteriaceae are of particular
concern, given the widespread reliance on ceftriaxone for management of sepsis in Africa.
Objectives Reviewing studies from sSA, we aimed to describe the prevalence of 3GC
resistance in Escherichia coli, Klebsiella and Salmonella BSIs and the in-hospital mortality …
Background
The prevalence of bacterial bloodstream infections (BSIs) in sub-Saharan Africa (sSA) is high and antimicrobial resistance is likely to increase mortality from these infections. Third-generation cephalosporin-resistant (3GC-R) Enterobacteriaceae are of particular concern, given the widespread reliance on ceftriaxone for management of sepsis in Africa.
Objectives
Reviewing studies from sSA, we aimed to describe the prevalence of 3GC resistance in Escherichia coli, Klebsiella and Salmonella BSIs and the in-hospital mortality from 3GC-R BSIs.
Methods
We systematically reviewed studies reporting 3GC susceptibility testing of E. coli, Klebsiella and Salmonella BSI. We searched PubMed and Scopus from January 1990 to September 2019 for primary data reporting 3GC susceptibility testing of Enterobacteriaceae associated with BSI in sSA and studies reporting mortality from 3GC-R BSI. 3GC-R was defined as phenotypic resistance to ceftriaxone, cefotaxime or ceftazidime. Outcomes were reported as median prevalence of 3GC resistance for each pathogen.
Results
We identified 40 articles, including 7 reporting mortality. Median prevalence of 3GC resistance in E. coli was 18.4% (IQR 10.5 to 35.2) from 20 studies and in Klebsiella spp. was 54.4% (IQR 24.3 to 81.2) from 28 studies. Amongst non-typhoidal salmonellae, 3GC resistance was 1.9% (IQR 0 to 6.1) from 12 studies. A pooled mortality estimate was prohibited by heterogeneity.
Conclusions
Levels of 3GC resistance amongst bloodstream Enterobacteriaceae in sSA are high, yet the mortality burden is unknown. The lack of clinical outcome data from drug-resistant infections in Africa represents a major knowledge gap and future work must link laboratory surveillance to clinical data.
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