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Evaluation on cardio-ankle vascular index derived from ultrasound / 中华心血管病杂志
Chinese Journal of Cardiology ; (12): 750-753, 2008.
Artigo em Chinês | WPRIM | ID: wpr-355898
ABSTRACT
<p><b>OBJECTIVE</b>The cardio-ankle vascular index (CAVI) could be obtained by measuring pulse wave velocity (PWV) and blood pressure (BP). This method is associated with various technical drawbacks. We evaluated the accuracy and usefulness of CAVI measured by ultrasound via detecting the aortic and ankle flow directly by ultrasonic probe.</p><p><b>METHODS</b>CAVI was determined in 96 subjects [64 male, mean age (41.2 +/- 8.9) years] who took part in the annual check up program in our department by means of the professional equipment (BP-203RPEII, VP-1000, Japan, CAVIp), the M-mode (CAVIm) and color Doppler flow imaging (CAVId). Measurement reproducibility on was obtained by repeat the measurements in 20 subjects choose randomly from the 96 subjects. Carotid ultrasound (CU) was performed to obtain intima-media thickness (IMT) and beta index in all subjects.</p><p><b>RESULTS</b>CAVI obtained by various methods were similar and comparable (CAVIm 7.74 +/- 1.62, CAVId 7.77 +/- 1.59, CAVIp 8.74 +/- 1.57, all P > 0.05). Inter-group and inter-observer variance was negligible (r1 = 0.98, r2 = 0.97). There were also significant correlations between CAVIm and IMT, CAVIm and beta (r1 = 0.824, r2 = 0.812, all P < 0.01), and between CAVId and IMT, CAVId and beta (r1 = 0.815, r2 = 0.813, all P < 0.01).</p><p><b>CONCLUSIONS</b>CAVI could be correctly measured by ultrasound technique.</p>
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Fisiologia / Pulso Arterial / Velocidade do Fluxo Sanguíneo / Vasos Sanguíneos / Diagnóstico por Imagem / Artérias Carótidas / Ultrassonografia / Aterosclerose / Tornozelo Tipo de estudo: Estudo diagnóstico Limite: Adulto / Humanos / Masculino Idioma: Chinês Revista: Chinese Journal of Cardiology Ano de publicação: 2008 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Fisiologia / Pulso Arterial / Velocidade do Fluxo Sanguíneo / Vasos Sanguíneos / Diagnóstico por Imagem / Artérias Carótidas / Ultrassonografia / Aterosclerose / Tornozelo Tipo de estudo: Estudo diagnóstico Limite: Adulto / Humanos / Masculino Idioma: Chinês Revista: Chinese Journal of Cardiology Ano de publicação: 2008 Tipo de documento: Artigo