Infective endocarditis and stroke: pathophysiologic mechanisms and ultrasonographic evaluation

Authors

  • Joana Paz Escola Superior de Tecnologia da Saúde de Lisboa, Instituto Politécnico de Lisboa. Lisboa, Portugal.

DOI:

https://doi.org/10.25758/set.654

Keywords:

Cardioembolic stroke, Echocardiography, Infective endocarditis, Transcranial Doppler

Abstract

Stroke, one of the most severe complications of infective endocarditis, is a leading cause of mortality and morbidity in developed countries. Cardioembolism is not the primary etiology but is responsible for 20% of ischemic strokes. A cerebral embolism occurs in more than 40% of cases of infective endocarditis, since the embolization of vegetations, that result from the infection of intracardiac structures, may lead to cerebral arteries occlusion and, therefore, cerebral infarction due to the absence of blood flow. The development of non-invasive techniques based on ultrasonography has widely potentiated the study of these diseases, both in cardiac and vascular areas, improving the understanding of their pathophysiological mechanisms. Echocardiography and transcranial Doppler have a central role in diagnosing and predicting embolic phenomena’s risk in patients with infective endocarditis, and in the initial evaluation, prognosis, and follow-up of stroke, respectively.

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Published

2013-11-15

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Section

Artigos

How to Cite

Infective endocarditis and stroke: pathophysiologic mechanisms and ultrasonographic evaluation. (2013). Saúde & Tecnologia, 10, 19-23. https://doi.org/10.25758/set.654