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Marantic endocarditis
Marantic endocarditis, also known as non-bacterial thrombotic endocarditis (NBTE), is the deposition of small sterile vegetations on valve leaflets. Marantic vegetations are often associated with previous rheumatic fever. The previous term for nonbacterial thrombotic endocarditis (NBTE) was marantic endocarditis, from the Greek marantikos, meaning “wasting away.” [1] Additional recommended knowledgeOther risk factors include:
The disease affects the valves with the following predilection: mitral valve > aortic valve > tricuspid valve > pulmonary valve. Grossly, vegetations form along lines of valve closure and are generally symmetric with a smooth or verrucoid (warty) texture. Histologically, lesions are composed of fibrin (eosinophilic) and platelets but, unlike bacterial etiologies, contain little evidence of PMNs, microorganisms or inflammation. Due to the non-invasive nature of NBTE, clinical examination may or may not reveal a new murmur. It is imperative to take the blood pressure in both arms.
Categories: Diseases | Cardiology |
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Marantic_endocarditis". A list of authors is available in Wikipedia. |