ABSTRACT
Há consenso na literatura de que o estagio mais precoce da aterogênese é caracterizado por acúmulo de células espumosas na região da íntima arterial. Fatores de risco como hipertensão arterial, tabagismo, diabetes mellitus, dislipidemias (hipercolesterolemia), sexo masculino e idade avançada predispõem à maior formação de placas em coronárias e aorta, nas quais tem sido observado maior número de eventos coronarianos agudos e acidentes vasculares cerebrais. Acidentes vasculares cerebrais são a terceira causa de mortes nos EUA, com aproximadamente 40 por cento dos casos de origem criptogênica. Desde 1989, as placas de ateroma, que se desenvolvem na aorta torácica, têm sido responsabilizadas por acidentes vasculares cerebrais e periféricos...
Subject(s)
Humans , Male , Aged , Atherosclerosis/complications , Atherosclerosis/prevention & control , Aorta/abnormalities , Hypertension/complicationsABSTRACT
The authors report a case of rhabdomyoma of the right ventricular cavity with outlet obstruction in a three-months old infant. The diagnosis was established by echocardiography. Bidimensional echocardiography study showed a polypoid tumor of the right ventricle. During the systole it was projected through the pulmonary valve, obstructing part of it. The Doppler study showed an important gradient between the right ventricle and the pulmonary artery. The resection was performed with success. The diagnosis of cardiac rhabdomyoma was made by microscopic study. It is emphasized the importance of the echocardiographic study in an infant with oligosymptomatic cardiac murmurs.