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Short-Course Versus Long-Course Systemic Antibiotic Treatment for Uncomplicated Intravascular Catheter-Related Bloodstream Infections due to Gram-Negative Bacteria, Enterococci or Coagulase-Negative Staphylococci: A Systematic Review.


ABSTRACT:

Introduction

The optimal duration of systemic antimicrobial treatment for catheter-related bloodstream infections (CRBSI) is unknown. In this systematic review, we aimed to assess the efficacy of short-course treatment for CRBSI due to Gram-negative bacteria, coagulase-negative staphylococci and enterococci.

Methods

We systematically searched the electronic bibliographic databases MEDLINE, EMBASE and Cochrane Library for studies published before February 2021. All studies that investigated the duration of adequate systemic antibiotic treatment in adult patients with uncomplicated intravascular catheter infections due to Gram-negative bacteria, coagulase-negative staphylococci or enterococci were eligible for inclusion. Studies including concomitant treatment with antibiotic lock therapy were excluded. The primary outcomes were clinical failure/cure, mortality and microbiologic-confirmed relapse.

Results

Seven retrospective cohort studies and one case-cohort study met the inclusion criteria. No randomized controlled studies met inclusion criteria. The quality of the included studies was low (n = 7) to moderate (n = 1). No significant differences were observed regarding mortality and microbiological relapse between short-course and long-course systemic antibiotic treatment in patients with CRBSI due to coagulase-negative staphylococci or Gram-negative bacteria. No association was found between mortality and treatment duration in the two studies assessing enterococcal CRBSI.

Conclusion

The limited data available suggests that shorter systemic antibiotic treatment duration may be sufficient for uncomplicated CRBSI. Further well-designed prospective studies are needed to confirm these findings.

Trial registration number

CRD42021224946 (PROSPERO).

SUBMITTER: Muff S 

PROVIDER: S-EPMC8322176 | biostudies-literature |

REPOSITORIES: biostudies-literature

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