Jornal Vascular Brasileiro
https://www.jvascbras.org/article/doi/10.1590/S1677-54492009005000001
Jornal Vascular Brasileiro
Original Article

Aterosclerose carotídea avaliada pelo eco-Doppler: associação com fatores de risco e doenças arteriais sistêmicas

Procopio de Freitas; Carlos Eli Piccinato; Wellington de Paula Martins; Francisco Mauad Filho

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Resumo

CONTEXTO: A aterosclerose carotídea apresenta alta prevalência populacional e associação com vários fatores de risco, contribuindo para altos índices de morbidade e mortalidade. OBJETIVO: Pesquisar a freqüência e associação da aterosclerose de carótidas extracranianas com: idade, sexo, hipertensão arterial, doença coronária isquêmica, tabagismo, diabetes melito tipo 2, obesidade, doença arterial oclusiva periférica, acidente vascular cerebral, oclusão carotídea, espessamento médio-intimal e acotovelamento. MÉTODOS: Foram avaliadas as artérias carótidas extracranianas, bilateralmente, de 367 indivíduos (132 homens e 235 mulheres) com idade média de 63 anos (35 a 91 anos) por anamnese, semiologia clínica e ultra-sonografia. A possibilidade da associação entre aterosclerose carotídea representada por placas ateromatosas inespecíficas com estenose > 10%, ateromatose discreta e difusa com estenose < 10% e os fatores de risco enunciados foi analisada estatisticamente pelo odds ratio e seus intervalos de confiança de 95%. RESULTADOS: A freqüência da aterosclerose carotídea foi de 52%, e do espessamento médio-intimal, de 30,2%. Houve associação entre a aterosclerose (ateromatose discreta e difusa e placas ateromatosas inespecíficas) com idade > 64 anos, acidente vascular cerebral, obesidade e tabagismo. Considerando-se somente estenoses carotídeas > 60%, houve associação com idade > 64 anos, oclusão carotídea e doença coronária. O espessamento médio-intimal apresentou associação com idade > 64 anos, acotovelamento, oclusão carotídea, hipertensão arterial e índice tornozelo-braquial < 0,9. CONCLUSÃO: A aterosclerose carotídea apresentou alta freqüência populacional (52%) e associação com idade, obesidade, acidente vascular cerebral, coronariopatia e tabagismo.

Palavras-chave

Aterosclerose, estenose das carótidas, ultra-sonografia Doppler, fatores de risco

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