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- W2078642273 abstract "Aims Dynamic antral scintigraphy (DAS), a non-invasive technique for the assessment of post-prandial gastric contractions, has been used to demonstrate abnormal contractility in several clinical conditions. The objective of the present study was to assess differences between solid and liquid meals regarding gastric contractions in healthy volunteers using DAS. Methods Ten healthy male volunteers were studied after ingesting solid or liquid meals [∼1670 kJ (∼400 kcal)] labelled with 99mTc phytate and administered in a random order. Gastric images were acquired for 120 min for gastric emptying half-time (T1/2) measurement. Dynamic (1 frame·s−1) images of the gastric antrum were acquired at 30 min intervals for 4 min for the assessment of antral contractility. Results Gastric emptying T1/2 values for solid and liquid meals were similar (58.1±19.06 min vs. 69.4±6.76 min; P=0.13). For the solid meal, average values for both frequency (3.08±0.15 cycles·min−1 vs. 2.78±0.18 cycles·min−1; P=0.003) and amplitude (33.94±5.2% variation vs. 24.09±7.37% variation; P=0.002) of antral contractions were significantly higher than those obtained with the liquid meal. For either of the test meals, none of the antral contractility variables correlated with gastric emptying T1/2. Conclusions Dynamic antral scintigraphy is capable of detecting differences between solid and liquid meals concerning post-prandial gastric antral contractions under physiological conditions. The frequency and amplitude of gastric antral contractions after a solid meal are greater than after an exclusively liquid meal of similar calorie content, in spite of lack of a difference regarding gastric emptying." @default.
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- W2078642273 date "2007-06-01" @default.
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- W2078642273 title "Dynamic antral scintigraphy following solid and liquid meals in healthy human subjects" @default.
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- W2078642273 doi "https://doi.org/10.1097/mnm.0b013e32815aa5f7" @default.
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