Arterial blood flow of all abdominal-pelvic organs using Doppler ultrasound: Range, variability and physiological impact

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Abstract

The pulsed Doppler method theoretically enables human arterial blood flow (BF) to be determined in all of the abdominal-pelvic organs (BFAP) by subtracting the bilateral proximal femoral arterial BF from the upper abdominal aorta BF above the coeliac trunk. Evaluation of BFAP is a potentially useful indicator of exercise or food intake related flow distribution to organs; however, there is a lack of information regarding the physiological significance of BFAP, and the measurements are yet to be validated. The aims of the present study are to examine the range in BF AP among subjects, monitor physiological day-to-day variability in BFAP over three different days and then determine whether mean BFAP (averaged over the three different measurement days) is related to body surface area (BSA). Forty healthy males (19-39 years) with a wide range of body weights (51-89 kg) were evaluated in a sitting position following a 12 h fast. The above-mentioned three conduit arteries were measured to determine BFAP using pulsed Doppler with spectral analysis. The mean BF AP was 2078 ± 495 ml min-1 (mean ± SD) (range, 1153-3285 ml min-1), which is in agreement with a previous study that measured the sum of BF in the major part of the coeliac, mesenteric and renal arteries. The physiological day-to-day variability (mean coefficient of variation) was 14.5 ± 10.0%. Significant (p < 0.05) positive linear relationships were observed between BFAP and BSA as well as body weight, which is in good agreement with the results of a previous study. The present data suggest that BFAP determined by three-conduit arterial hemodynamics may be a valid measurement that encompasses physiologic flow to multiple abdominal-pelvic organ systems. © 2007 IOP Publishing Ltd.

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APA

Osada, T., Murase, N., Kime, R., Shiroishi, K., Shimomura, K., Nagata, H., & Katsumura, T. (2007). Arterial blood flow of all abdominal-pelvic organs using Doppler ultrasound: Range, variability and physiological impact. Physiological Measurement, 28(10), 1303–1316. https://doi.org/10.1088/0967-3334/28/10/014

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