PMID: 9428137Jan 1, 1997Paper

Differences in the erythrocyte aggregation level between veins and arteries of normolipidemic and hyperlipidemic individuals

Ultrasound in Medicine & Biology
G CloutierR Beaulieu

Abstract

The objectives of this study were to detect differences in the Doppler power backscattered by blood in vivo, and to identify factors affecting the backscattered power. The main hypothesis was that variations in the erythrocyte aggregation level between veins and arteries of normolipidemic and hyperlipidemic individuals can be detected with power Doppler ultrasound. Doppler measurements were performed at 5 MHz, with an Acuson 128 XP/10 system, over the carotid artery and jugular vein, external iliac artery and vein, common femoral artery and vein and popliteal artery and vein. Doppler signals were recorded at the center of each vessel to optimize the detection of erythrocyte aggregation, and processed off-line to obtain the backscattered power. The power of each recording was compensated for Doppler gain differences, tissue attenuation with depth and transmitted power variations occurring with pulse-repetition interval modifications. Results showed statistically stronger backscattered power in veins compared to arteries for the iliac, femoral and popliteal sites. In comparison with healthy subjects, stronger powers were observed in hyperlipidemic patients for the femoral and popliteal sites. Power differences were also found bet...Continue Reading

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Citations

Feb 14, 2004·Ultrasound in Medicine & Biology·Dong-Guk PaengK Kirk Shung
Feb 14, 2004·Ultrasound in Medicine & Biology·Valérie RouffiacPierre Peronneau
Feb 7, 2013·Ultrasound in Medicine & Biology·Chih-Chung HuangCho-Chiang Shih
Mar 23, 2011·Ultrasound in Medicine & Biology·Ying LiDong-Guk Paeng
Aug 7, 2004·The Journal of the Acoustical Society of America·Guy CloutierF Stuart Foster

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