Abstract
Although relatively rare, infective endocarditis (IE) is associated with significant morbidity and mortality [1]. The diagnosis of IE is clinically challenging due to diverse and variable clinical presentations, ranging from chronic, to subacute, to rapidly progressive disease. To circumvent these diagnostic difficulties, the Duke criteria were established. The diagnosis of IE mostly relies on a modified version of those criteria (the modified Duke criteria), consisting of major and minor criteria that are composed of clinical and paraclinical findings including blood cultures and echocardiographic findings. Studies have demonstrated that approximately one third of patients investigated for IE are classified as possible IE [2, 3]. In patients categorized as having possible IE by the modified Duke criteria, 24–72% of these patients are subsequently found to have IE following additional investigations, such as repeat TTE or TEE [4, 5]. This ultimately leads to delays in diagnosis and initiation of treatment which is in turn associated with poorer outcomes, including increased rates of irreversible morphologic valvular damage, embolic events, surgery, and death [6, 7]. Advanced multimodality imaging has become increasingly integrated in the diagnosis and evaluation of IE. Although the role of FDG-PET/CT in native valve infective endocarditis (NVIE) is still being defined, there is a growing body of evidence supporting the role for FDG-PET/CT in the diagnosis and staging of this disease.
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Abbreviations
- IE:
-
Infective endocarditis
- NVIE:
-
Native-valve infective endocarditis
- PVE:
-
Prosthetic valve endocarditis
- TEE:
-
Transesophageal echocardiogram
- TTE:
-
Transthoracic echocardiogram
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Abikhzer, G., Levett, J.Y., Sebag, I.A., Pelletier-Galarneau, M. (2022). Native-Valve Endocarditis. In: Pelletier-Galarneau, M., Martineau, P. (eds) FDG-PET/CT and PET/MR in Cardiovascular Diseases. Springer, Cham. https://doi.org/10.1007/978-3-031-09807-9_13
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