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Risk of Cardiovascular Implantable Electronic Device Infection in Patients Presenting With Gram-Negative Bacteremia.


ABSTRACT:

Background

Gram-negative bacteremia (GNB) as a manifestation of cardiovascular implantable electronic device (CIED) infection is uncommon. Moreover, echocardiography may be nonspecific in its ability to differentiate whether CIED lead masses are infected. We aimed to determine the rate of CIED infection in the setting of GNB.

Methods

All patients with CIED who were hospitalized with GNB during 2012-2019 at Mayo Clinic were investigated. The definition of CIED infection was based on criteria recommended by the 2019 European Heart Rhythm Association document.

Results

A total of 126 patients with CIED developed GNB. None of them had signs of pocket infection. Twenty (15.9%) patients underwent transesophageal echocardiography. Overall, 4 (3%) patients had definite CIED infection. None of them underwent CIED extraction; 3 died within 12 weeks and 1 received long-term antibiotic suppression. Ten (8%) patients had possible CIED infection; despite no CIED extraction, no patient had relapsing GNB. We observed a higher rate of CIED infection in patients with Serratia marcescens bacteremia as compared to that in patients with other GNB.

Conclusions

The rate of CIED infection following GNB was relatively low. However, accurate classification of CIED infection among patients presenting with GNB remains challenging, in part, due to a case definition of CIED infection that is characterized by a low pretest probability in the setting of GNB. Prospective, multicenter studies are needed to determine accurate identification of CIED infection among GNB, so that only patients with true infection undergo device removal.

SUBMITTER: Chesdachai S 

PROVIDER: S-EPMC9454026 | biostudies-literature | 2022 Sep

REPOSITORIES: biostudies-literature

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Risk of Cardiovascular Implantable Electronic Device Infection in Patients Presenting With Gram-Negative Bacteremia.

Chesdachai Supavit S   Baddour Larry M LM   Sohail M Rizwan MR   Palraj Bharath Raj BR   Madhavan Malini M   Tabaja Hussam H   Fida Madiha M   Lahr Brian D BD   DeSimone Daniel C DC  

Open forum infectious diseases 20220825 9


<h4>Background</h4>Gram-negative bacteremia (GNB) as a manifestation of cardiovascular implantable electronic device (CIED) infection is uncommon. Moreover, echocardiography may be nonspecific in its ability to differentiate whether CIED lead masses are infected. We aimed to determine the rate of CIED infection in the setting of GNB.<h4>Methods</h4>All patients with CIED who were hospitalized with GNB during 2012-2019 at Mayo Clinic were investigated. The definition of CIED infection was based o  ...[more]

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