TABLE 1

Comparison of Anatomic and Functional Imaging Modalities for Imaging Cardiovascular Device Infection

ModalityProsCons
TEE/TTEProvides first-line imaging for infective endocarditisShadows artifacts/misses lesions
Detects vegetation and perivalvular complicationsCannot differentiate infectious from noninfected vegetation
Assesses valvular functionCannot evaluate right-side heart and chest wall CIED pocket and leads
Predicts embolic risk
Cardiac CTProvides first-line imaging for infective endocarditisHas metallic artifacts, nonspecific findings
Detects large vegetationIs less sensitive for small vegetation
Is better than TEE for perivalvular complication evaluationIs not for extrathoracic evaluation
Detects chest wall CIED infection
18F-FDG PET/CTHas high imaging sensitivityProvides false-positive findings for inflammation
Provides earlier diagnosisIs less sensitive for small vegetation
Assesses extracardiac infection
Provides a signal of host immune response
WBC scanHas high specificityHas moderate sensitivity
Assesses extracardiac infectionIs labor-intensive
  • TEE/TTE: Transesophageal/transthoracic echocardiography; CIED: Cardiac implantable electronic device.