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48767

Evaluation of Antibiotic-Impregnated Shunt Catheters in Prevention of Shunt Infections: A Systematic Review

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Last updated: 22 Jan 2023

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Abstract

Background: Cerebrospinal fluid (CSF) shunts remain among the most failure-prone life-sustaining medical devices implanted in modern medical practice, with failure rates of 30–40% at 1 year and approximately 50% at 2 years in pediatric patients. Aim of the Work: To study the effectiveness of antimicrobial impregnated catheters in preventing shunt and EVD infections and the impact of antibiotic impregnated catheters on mortality, and prevention colonization. Methods: The PubMed and Scopus databases were searched. Catheter implantation was classified as either shunting (mainly ventriculoperitoneal shunting) or ventricular drainage (mainly external [EVD]). Studies evaluating antibioticimpregnated catheters (AICs), silver-coated catheters (SCCs), and hydrogel-coated catheters (HCCs) were included. A random effects model meta-analysis was performed. Results: Thirty-six studies (7 randomized and 29 nonrandomized, 16,796 procedures) were included. The majority of data derive from studies on the effectiveness of AICs, followed by studies on the effectiveness of SCCs. Statistical heterogeneity was observed in several analyses. Antimicrobial shunt catheters (AICs, SCCs) were associated with lower risk for CSF catheter-associated infections than conventional catheters (CCs) (RR 0.44, 95% CI 0.35-0.56). Fewer infections developed in the patients treated with antimicrobial catheters regardless of randomization, number of participating centers, funding, shunting or ventricular drainage, definition of infections, de novo implantation, and rate of infections in the study. There was no difference regarding gram-positive bacteria, all staphylococci, coagulase-negative streptococci, and Staphylococcus aureus, when analyzed separately. On the contrary, the risk for methicillin-resistant S. aureus (MRSA, RR 2.64, 95% CI 1.26-5.51), nonstaphylococcal (RR 1.75, 95% CI 1.22-2.52), and gram-negative bacterial (RR 2.13, 95% CI 1.33-3.43) infections increased with antimicrobial shunt catheters. Conclusion: The use of antimicrobial shunt catheters reduces the risk for CSF infections in patients with hydrocephalus. Several subgroup analyses showed that factors related to study design, type of catheter, duration of catheter placement, and whether the procedure is a de novo implantation or a revision may affect this risk. Publication bias in the region of small negative trials was also observed.

DOI

10.21608/ejhbmt.2019.48767

Keywords

antibiotic-impregnated shunt catheters, shunt infections

Authors

First Name

Mohamed

Last Name

Ismail

MiddleName

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Affiliation

Department of Neurosurgery Faculty of Medicine, Ain Shams University

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Orcid

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First Name

Ahmed

Last Name

Abd-Elbar

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Affiliation

Department of Neurosurgery Faculty of Medicine, Ain Shams University

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City

-

Orcid

-

First Name

Emad

Last Name

Hamza

MiddleName

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Affiliation

Department of Neurosurgery Faculty of Medicine, Ain Shams University

Email

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City

-

Orcid

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First Name

Mohammad

Last Name

Aldaly

MiddleName

-

Affiliation

Department of Neurosurgery Faculty of Medicine, Ain Shams University

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Volume

6

Article Issue

7

Related Issue

7799

Issue Date

2019-11-01

Receive Date

2019-06-21

Publish Date

2019-11-01

Page Start

7

Page End

14

Print ISSN

2356-9735

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https://ejhbmt.journals.ekb.eg/article_48767.html

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https://ejhbmt.journals.ekb.eg/service?article_code=48767

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Original Article

Type Code

726

Publication Type

Journal

Publication Title

Egyptian Journal of Hematology and Bone Marrow Transplantation

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https://ejhbmt.journals.ekb.eg/

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Article

Created At

22 Jan 2023