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עמוד בית
Fri, 22.11.24

ORIGINALS

IMAJ | volume 26

Journal 10, November 2024
pages: 636-642

Decolonization of Staphylococcus aureus Prior to Cardiac Implantable Electronic Device Implantation: Evaluating Preoperative Yield

1 Department of Cardiology, Samson Assuta Ashdod University Hospital, Ashdod, Israel 2 Department of Infectious Diseases, Samson Assuta Ashdod University Hospital, Ashdod, Israel 3 Faculty of Health Sciences, Ben Gurion University of the Negev, Beer Sheva, Israel

Summary

Background:

Cardiac implantable electronic devices (CIEDs) are associated with risks of device-related infections (DRI) impacting major adverse outcomes. Staphylococcus aureus (SA) is a leading cause of early pocket infection and bacteremia. While studies in other surgical contexts have suggested that nasal mupirocin treatment and chlorhexidine skin washing may reduce colonization and infection risk, limited data exist for CIED interventions.

Objectives:

To assess the impact of SA decolonization on DRI rates.

Methods:

We conducted a retrospective, single-center observational study on consecutive patients undergoing CIED interventions (March 2020–March 2022). All patients received pre-procedure antibiotics and chlorhexidine skin washing. Starting in March 2021, additional pre-treatment with mupirocin for SA decolonization was administered. DRI rates within 6 months post-implantation were compared between patients treated according to guidelines (Group 1) and those receiving mupirocin in addition to the recommended guidelines (Group 2).

Results:

The study comprised 276 patients (age 77 ± 10 years; 60% male). DRI occurred in five patients (1.8%);80% underwent cardiac resynchronization therapy procedures. In Group 1 (n=177), four patients (2.2%) experienced DRI 11–48 days post-procedure; three with pocket infection (two with negative cultures and one with local Pseudomonas) and one with methicillin-sensitive SA endocarditis necessitating device extraction. In Group 2 (n=99), only one patient (1%) had DRI (Strep. dysgalactiae endocarditis) 135 days post-procedure (P = NS).

Conclusions:

The routine decolonization of SA with mupirocin, in addition to guideline-directed protocols, did not significantly affect DRI rates. Larger prospective studies are needed to evaluate the preventive role of routine SA decolonization in CIED procedures.

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