Jejunoileal BypassHyperlipidemiasArteriesBlood Flow VelocityCerebral ArteriesFemoral ArteryMiddle Cerebral ArteryRegional Blood FlowPulmonary ArteryCarotid ArteriesOphthalmic ArteryMesenteric Artery, SuperiorUmbilical ArteriesMesenteric ArteriesPulsatile FlowBronchial ArteriesRadial ArteryUltrasonography, DopplerRenal ArteryUltrasonography, Doppler, PulsedCarotid Artery, InternalCerebrovascular CirculationBasilar ArteryBrachial ArteryUltrasonography, Doppler, TranscranialUterusUltrasonography, Doppler, ColorBlood PressureUterine ArteryIliac ArteryVertebral ArteryCoronary Artery BypassCarotid Artery, CommonHemodynamicsMammary ArteriesCoronary VesselsVascular ResistanceSubclavian ArteryCarotid Artery, ExternalFetal Growth RetardationCarotid Artery DiseasesUltrasonographyVasodilationSplenic Artery