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Cardiac implantable electronic devices and bloodstream infections: management and outcomes.


ABSTRACT:

Background and aims

Bloodstream infection (BSI) of any cause may lead to device infection in cardiac implantable electronic device (CIED) patients. Aiming for a better understanding of the diagnostic approach, treatment, and outcome, patients with an implantable cardioverter defibrillator (ICD) and cardiac resynchronization therapy and defibrillator (CRT-D) hospitalized with BSI were investigated.

Methods

This is a single-centre, retrospective, cohort analysis including consecutive ICD/CRT-D patients implanted between 2012 and 2021. These patients were screened against a list of all hospitalized patients having positive blood cultures consistent with diagnosed infection in any department of a local public hospital.

Results

The total cohort consisted of 515 patients. Over a median follow-up of 59 months (interquartile range 31-87 months), there were 47 BSI episodes in 36 patients. The majority of patients with BSI (92%) was admitted to non-cardiology units, and in 25 episodes (53%), no cardiac imaging was performed. Nearly all patients (85%) were treated with short-term antibiotics, whereas chronic antibiotic suppression therapy (n = 4) and system extraction (n = 3) were less frequent. Patients with BSI had a nearly seven-fold higher rate (hazard ratio 6.7, 95% confidence interval 3.9-11.2; P < .001) of all-cause mortality.

Conclusions

Diagnostic workup of defibrillator patients with BSI admitted to a non-cardiology unit is often insufficient to characterize lead-related endocarditis. The high mortality rate in these patients with BSI may relate to underdiagnosis and consequently late/absence of system removal. Efforts to increase an interdisciplinary approach and greater use of cardiac imaging are necessary for timely diagnosis and adequate treatment.

SUBMITTER: Ozkartal T 

PROVIDER: S-EPMC10998729 | biostudies-literature | 2024 Apr

REPOSITORIES: biostudies-literature

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Cardiac implantable electronic devices and bloodstream infections: management and outcomes.

Özkartal Tardu T   Demarchi Andrea A   Conte Giulio G   Pongan Damiano D   Klersy Catherine C   Caputo Maria Luce ML   Bergonti Marco M   Bernasconi Enos E   Gaia Valeria V   Granger Christopher B CB   Auricchio Angelo A  

European heart journal 20240401 14


<h4>Background and aims</h4>Bloodstream infection (BSI) of any cause may lead to device infection in cardiac implantable electronic device (CIED) patients. Aiming for a better understanding of the diagnostic approach, treatment, and outcome, patients with an implantable cardioverter defibrillator (ICD) and cardiac resynchronization therapy and defibrillator (CRT-D) hospitalized with BSI were investigated.<h4>Methods</h4>This is a single-centre, retrospective, cohort analysis including consecutiv  ...[more]

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