Why the study?
Does Doppler color flow imaging improve the detection of gastroduodenal artery blood flow compared to conventional ultrasound?
Does Doppler color flow imaging improve the detection of gastroduodenal artery blood flow compared to conventional ultrasound?
Doppler color flow imaging is highly effective for the noninvasive detection and quantitative measurement of gastroduodenal artery blood flow.
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Color Doppler may aid GDABF detection in normals; leaves open its diagnostic role in patients.
The purpose of this article was to investigate the detection rate of gastroduodenal artery blood flow (GDABF), and to measure its velocity and volume flow rate using Doppler color imaging. The GDABF was detected in 40 of 41 (98%) normal subjects with longitudinal scanning and in 36 (88%) with transverse scanning. The velocity of the GDABF was 21 +/- 8 cm/sec (m +/- SD) and the volume flow rate was 67 +/- 20 mL/min. Without color Doppler, the vascular lumina of the GDA was demonstrated in 27 (66%) subjects by longitudinal scanning and in 26 (63%) by transverse scanning. The hemodynamics of the GDA were revealed noninvasively using Doppler ultrasonography in a patient with a malignant islet cell tumor of the pancreas and one with a ductal cell carcinoma of the pancreas.
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Uzawa et al. (1993) studied this question.
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