کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1762541 | 1019699 | 2008 | 11 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Use of an Ultrasound Blood-Mimicking Fluid for Doppler Investigations of Turbulence In Vitro
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
آکوستیک و فرا صوت
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Use of an Ultrasound Blood-Mimicking Fluid for Doppler Investigations of Turbulence In Vitro Use of an Ultrasound Blood-Mimicking Fluid for Doppler Investigations of Turbulence In Vitro](/preview/png/1762541.png)
چکیده انگلیسی
Turbulence is an important factor in the assessment of stenotic disease and a possible causative mechanism for thromboembolism. Previous Doppler studies of turbulence have typically used whole-blood preparations or suspensions of erythrocytes. Recently, a water-glycerol based blood-mimicking fluid (BMF) has been developed for use in Doppler ultrasound studies. This fluid has desirable ultrasound properties but it has not previously been described during in vitro investigations of turbulence intensity. We report on investigations of grid-generated and constrained-jet turbulence in an in vitro test system. The BMF was found to generate significant levels of turbulence during steady flow at physiological flow rates, producing turbulent patterns in the distal region that were consistent with previous studies. Turbulence intensity increased significantly with flow rate (p < 0.005) for both the constrained jet and the constrained grid. Based on our observations, we conclude that a water-glycerol based BMF provides a suitable working fluid during in vitro investigations of turbulence using Doppler ultrasound. (E-mail: david.holdsworth@imaging.robarts.ca)
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Ultrasound in Medicine & Biology - Volume 34, Issue 7, July 2008, Pages 1163-1173
Journal: Ultrasound in Medicine & Biology - Volume 34, Issue 7, July 2008, Pages 1163-1173
نویسندگان
Meghan L. Thorne, Tamie L. Poepping, Richard N. Rankin, David A. Steinman, David W. Holdsworth,