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- W2185925101 abstract "Background-Ultrasound measurement ofgastric emptying haspotential advantagesoverscintigraphy, butthereislittle information aboutitsaccuracy. Aims-Therelation betweenultrasonographic measurements ofantral areaand (a)scintigraphic measurements ofgastric emptying andintragastric distribution of liquids (b)postprandial satiation, were evaluated. normalvolunteers were studied. Method-Eachsubject drank75gdextrose dissolved in350mlofwater(300kcal) or beefsoup(20kcal), bothlabelled with technetium-99m sulphur colloid onseparatedaysandhadmeasurement ofgastric emptying byscintigraphy andultrasound. Results-Scintigraphic and ultrasound 50%emptying times(T50s) werecomparableandlonger(p<0*001) fordextrose thansoupmean(SEM)(dextrose 107(16) minv 108(18)min,soup24(4)minv23 (5)min).Therewereclosecorrelations betweenscintigraphic and ultrasound T50s(dextrose r=0.94,p<0*005, soup r=0.97, p<0001)andbetween thetimeat which the distalstomachcontent decreased fromitsmaximum valueby 500/O (measured scintigraphicall y) andthe ultrasound T50(dextrose r=0.95, p<0'005, soupr=0.99, p<0.0001). Incontrast, there wasno significant relation betweenthe distal stomach content whenexpressed as apercentage ofthemaximumcontentin thetotal stomachandtheultrasound T50. Afterdextrose, fullness was related (r=0.92, p<001)to thepostprandial increase inantral areameasured byultrasound. Conclusions-Ultrasound measurements ofgastric emptying are:(a)ofcomparable sensitivity toscintigraphy inquantifying emptying ofbothlowandhighnutrient liquids (b)correlate withpostprandial satiation, suggesting thatthelatter maybe mediated byantral distension. (Gut 1996; 38:816-821)" @default.
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- W2185925101 date "1996-01-01" @default.
- W2185925101 modified "2023-09-27" @default.
- W2185925101 title "Scintigraphic measurementofgastric emptying andultrasonographic assessmentofantral area: relation toappetite" @default.
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