Abstract
Background: Aspergillus infections of pacing systems are extremely uncommon, and most cases reported are characterized by an aggressive behavior that may lead to death of the patient.
Hypothesis: The study was undertaken to assess the incidence of pacemaker infection due to Aspergillus in a defined population.
Methods: A retrospective review of the case histories of all patients who underwent pacemaker implantation in the reference center for a defined population over a 13‐year period was undertaken. A literature review of pacemaker infections due to Aspergillus was conducted.
Results: Of the 1,321 patients who required pacemaker implantation at Hospital Xeral‐Calde in the Lugo region of northwestern Spain, 38 suffered a pacemaker infection. A pacemaker pocket infection due to Aspergillus fumigatus was found in two patients. Both patients had a previous history of diabetes mellitus. Cultures from pacemaker pocket inflammatory fluid yielded positive results. Following pacemaker explantation and antifungal therapy, clinical improvement was achieved. A literature review showed another five cases of pacemaker infection due to Aspergillus. However, two peculiarities were found in our patients: In both cases an etiological diagnosis was achieved prior to surgery and, to the best of our knowledge, they also constitute the first cases of pacemaker pocket infection due to Aspergillus.
Conclusion: Although pacemaker infections due to Aspergillus species are uncommon, they should be considered in immunocompromised patients.
Keywords: pacemaker, infection, pocket infection, Aspergillus species, Aspergillus fumigatus
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