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首页> 外文期刊>Ultrasound in Medicine and Biology >Characterization of an abdominal aortic velocity waveform in patients with abdominal aortic aneurysm.
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Characterization of an abdominal aortic velocity waveform in patients with abdominal aortic aneurysm.

机译:腹主动脉瘤患者腹主动脉速度波形的特征。

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摘要

Haemodynamics studies of abdominal aortic aneurysm require data on the velocity in the normal section of the aorta. Centreline velocity waveforms were measured in abdominal aortic aneurysm patients proximal to the aneurysm using spectral Doppler ultrasound. Characteristic points were automatically found on 21 of the waveforms and their parameters were used to create an archetypal centreline velocity waveform. The maximum velocity was 45 +/- 13 cm s(-1), the minimum velocity was -15 +/- 11 cm s(-1) and the maximum diastolic velocity was 2.7 +/- 4.7 cm s(-1). The velocity wave is suitable for use as an input to in vitro or in silico investigations of abdominal aortic aneurysm haemodynamics.
机译:腹主动脉瘤的血液动力学研究需要有关主动脉正常截面速度的数据。使用频谱多普勒超声在靠近动脉瘤的腹主动脉瘤患者中测量中心线速度波形。在21个波形中自动找到特征点,并使用它们的参数创建原型中心线速度波形。最大速度为45 +/- 13 cm s(-1),最小速度为-15 +/- 11 cm s(-1),最大舒张速度为2.7 +/- 4.7 cm s(-1)。速度波适合用作腹主动脉瘤血流动力学的体外或计算机模拟研究的输入。

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