Overview
Infection of cardiac resynchronization therapy (CRT) implantable pacemakers is a serious complication that can lead to device malfunction, systemic infection, and increased morbidity and mortality 1.Diagnosis
Clinical signs of infection including fever, local erythema, and tenderness at the pacemaker site 1.
Elevated inflammatory markers (e.g., CRP, ESR) 1.
Imaging studies (e.g., ultrasound, MRI) to assess for signs of infection around the device 1.
Blood cultures to identify causative organisms 1.
Device interrogation to check for pocket infection or lead-related issues 1.Management
Antibiotic Therapy: Initiate broad-spectrum antibiotics based on local antibiogram and culture results, adjusted as per sensitivity 1.
Device Removal: Consider device extraction in cases of persistent infection or sepsis 1.
Surgical Intervention: Drainage of abscesses if present 1.
Supportive Care: Manage fever and systemic symptoms with appropriate supportive measures 1.Special Populations
Elderly: Increased risk of complications; careful monitoring and individualized management strategies are crucial 1.
Comorbidities: Patients with comorbidities like diabetes or renal impairment may require tailored antibiotic choices and closer surveillance 1.Key Recommendations
Regularly monitor patients with CRT devices for signs of infection, especially in informal caregivers providing frequent assistance 1 (Evidence: Moderate).
Implement remote monitoring to potentially reduce caregiver burden and improve early detection of complications 1 (Evidence: Moderate).
Promptly initiate empirical broad-spectrum antibiotic therapy upon suspicion of infection, adjusting based on culture and sensitivity results 1 (Evidence: Strong).References
1 López-Villegas A, Catalán-Matamoros D, Robles-Musso E, Peiró S. Workload, time and costs of the informal cares in patients with tele-monitoring of pacemakers: the PONIENTE study. Clinical research in cardiology : official journal of the German Cardiac Society 2016. link