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Infected epicardial pacemaker systems. Partial versus total removal

M H Choo, D R Holmes, B J Gersh

    The Journal of Thoracic and Cardiovascular Surgery
    |November 1, 1981
    PubMed
    Summary
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    Complete removal of infected pacemakers is crucial for eradicating infection. Surgical extraction of the entire pacing system offers the highest success rate in treating generator pocket infections, often caused by Staphylococcus epidermidis.

    Area of Science:

    • Cardiology
    • Infectious Diseases
    • Medical Device Technology

    Background:

    • Infected epicardial pacemakers present a significant clinical challenge.
    • Generator pocket infections are a common complication.
    • Staphylococcus epidermidis is the predominant pathogen identified.

    Purpose of the Study:

    • To evaluate the effectiveness of different treatment strategies for infected epicardial pacemakers.
    • To determine the optimal approach for eradicating infection associated with pacemaker systems.

    Main Methods:

    • Retrospective analysis of nine patients with infected epicardial pacemakers.
    • Assessment of outcomes following conservative management, partial removal, and complete system extraction.
    • Microbiological analysis to identify causative organisms.

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    Main Results:

    • Conservative nonsurgical treatment failed in all five patients attempted.
    • Partial removal of the pacing system led to persistent infection in 57% of patients, requiring further surgery.
    • Complete extraction of the entire pacing system resulted in successful infection resolution in 100% of patients.

    Conclusions:

    • Complete extraction of the entire pacing system is the most effective strategy for eradicating pacemaker pocket infections.
    • Surgical intervention, specifically total system removal, should be prioritized for optimal patient outcomes.
    • Early and complete removal improves the likelihood of resolving Staphylococcus epidermidis infections.