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  • Title: Echo-Doppler measurement of splanchnic blood flow in control and cirrhotic subjects.
    Author: Zoli M, Marchesini G, Cordiani MR, Pisi P, Brunori A, Trono A, Pisi E.
    Journal: J Clin Ultrasound; 1986; 14(6):429-35. PubMed ID: 3091642.
    Abstract:
    Blood flow in the splanchnic veins was studied in cirrhotics and matched controls by means of a system that combines a mechanical sector scanner with a pulsed Doppler. The measurements were validated in an in vitro model. Echo-doppler studies could be carried out reproducibly in only approximately two-thirds of cases because of poor echo transmission or incomplete cooperation. Portal blood velocity was significantly reduced in cirrhotics (10.5 +/- 0.6 cm/s versus 16.0 +/- 0.5 in controls; p less than 0.001), but portal blood flow was normal because of enlarged portal caliber. A complete hemodynamic evaluation of the splenic and superior mesenteric veins was possible in only a few subjects. In selected patients the technique may prove relevant in the study of hemodynamic effects of drugs and surgery on portal blood flow.
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