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18. Effect of body position on qualitative and quantitative ultrasound assessment of gastric fluid contents.

Author

Barnoud, S., Desgranges, F.‐P., Bouvet, L., Chassard, D., and Desgranges, F-P

Subjects
*POSTURE, *SUPINE position, *PATIENT positioning, *LONGITUDINAL method, *STOMACH, *ULTRASONIC imaging, *GASTROINTESTINAL contents
Abstract

We assessed the impact of raising the upper section of the bed, and patient positioning, on ultrasound assessment of gastric fluid contents. We performed ultrasound examinations in 25 subjects lying on their back, left and right sides at bed angles of 0°, 30°, 45° and 90°; this was carried out while the subjects were fasted, and repeated 10 min after drinking ≥ 50 ml water. After drinking, gastric contents were detected more frequently in the 45° semirecumbent position compared with the supine and 30° positions. The diagnostic performance of the Perlas qualitative grading scale to detect gastric fluid volume > 1.5 ml.kg-1 was improved at 45°, compared with 0° and 30° angles. The use of a composite ultrasound grading scale at a 45° angle was associated with the best performance, with a sensitivity and specificity of 82%. Antral cross-sectional area was significantly increased when measured in the right lateral position, but there was no effect of raising the bed. In conclusion, raising the upper section of the bed significantly affected qualitative assessment of gastric fluid contents. Further studies are required to determine the most appropriate composite ultrasound grading scale and bed angle for fast and reliable qualitative ultrasound detection of fluid volumes > 1.5 ml.kg-1 . [ABSTRACT FROM AUTHOR]

Published
2019
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25. Abstract PR189

Author

Chassard, D., primary, Vassal, O., additional, Desgranges, F. P., additional, and Del Carmine, P., additional

Published
2016
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41. Événements cardiorespiratoires peropératoires dans le cadre de la microchirurgie laryngée avec laser sous-laryngoscopie en suspension en ventilation spontanée chez l’enfant de moins de deux ans

Author

Marcaire, F., primary, Desgranges, F.-P., additional, Burgal, S., additional, Rousson, D., additional, Ayari, S., additional, De Queiroz, M., additional, Heilporn, A., additional, Berrada, K., additional, Chassard, D., additional, and Rhondali, O., additional

Published
2013
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47. Total-Body Protein Turnover in Human Premature Neonates: Effects of Birth Weight, Intra-Uterine Nutritional Status and Diet

Author

Pencharz, P. B., Masson, M., Desgranges, F., and Papageorgiou, A.

Abstract

1. The effects of birth weight, intra-uterine nutritional status and protein and energy intake on whole-body protein turnover, and skeletal muscle protein breakdown were examined in 40 premature infants. 2. Total-body nitrogen flux was 26% higher in the small-for-gestational-age compared with appropriate-for-gestation-age infants; similarly, whole-body protein synthesis and breakdown were increased by 26 and 35% respectively (P < 0.01). 3. The lower-birth-weight neonates (< 1500 g) had higher rates of skeletal muscle protein breakdown; 1.23 ± 1.12 g day−1 kg−1, as compared with 0.54 ± 0.28 g for the high-birth-weight group (P < 0.05). 4. Protein intake was inversely correlated with the fraction of nitrogen flux coming from endogenous protein breakdown (P < 0.05) and with skeletal muscle protein breakdown (P < 0.05). There were no significant relationships found between energy intake and the parameters of protein metabolism. 5. On the basis of the turnover data, evidence is presented that the protein requirements for milk-protein fed premature neonates is less than 4.3 g day−1 kg−1.

Published
1981
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