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. 2021 Jul 16:68:102568.
doi: 10.1016/j.amsu.2021.102568. eCollection 2021 Aug.

Brucella cardiac implantable electronic device infection: A single-center case series

Fatehi Elzein  1 , Eid Alsufyani  1 , Yahya Al Hebaishi  2 , Mohammed Mosaad  2 , Moayad Alqurashi  1 , Ahmed Al Fagih  2
Affiliations

Brucella cardiac implantable electronic device infection: A single-center case series

Fatehi Elzein et al. Ann Med Surg (Lond). .

Abstract

Background: Cardiac implantable electronic devices (CIEDs), including implantable cardiac defibrillators, pacemakers, and cardiac resynchronization therapy devices, are lifesaving. However, device infections can lead to morbidity and mortality. The aim of this study was to describe the outcome of Brucella CIED infections treated at our center, and to identify risk factors for Brucella infection in patients with CIEDs. Study Settings: Single-center study, Prince Sultan Military Medical City, Riyadh, KSA.

Methods: This case series included all Brucella-related CIED infections treated at a tertiary care center between 2009 and 2020. Data on patient demographics, clinical manifestations, predisposing factors, microbiology, treatment regimens, and outcomes were reviewed.

Results: Fifteen patients met the Brucella CIED infection criteria. The mean age was 62.2 years, and 80% were males. Common comorbidities included hypertension (73%), diabetes mellitus (67%), ischemic heart disease (47%), and chronic kidney disease (60%). The mean time to infection following the device implantation was 4.8 years (range: 5 months to 13 years). Fever was detected in 53% of patients, device site swelling in 47%, purulent discharge in 33%, and pain in 27%. The blood culture and serology results were positive in 73% and 80% of patients, respectively. All patients were treated with antibiotics, and the infected device was removed. Seven (46.6%) patients underwent reimplantation with a new device. One patient with dual Brucella and methicillin-sensitive Staphylococcus aureus infection died, and the other 14 patients recovered, with no recurrent infections reported to date.

Conclusion: Brucella should be considered in CIED infections, particularly in endemic areas. Proper treatment and device removal are essential for good outcomes.

Keywords: Brucella infections; Brucellosis; CIED, cardiac implantable electronic device; Cardiac implantable electronic device infections; MSSA, methicillin-sensitive Staphylococcus aureus; Saudi Arabia.

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Conflict of interest statement

No conflict of interest.

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