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The aim of this prospective study was to assess the effect of patient positioning on the ultrasound assessment of gastric contents.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Supine position | Sham Comparator | patient in supine position, lying on the back, turned in the right lateral decubitus and turned in the left lateral decubitus in a randomized way, after prolonged fasting and 10 min after free oral intake of water |
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| 30° semirecumbent position | Sham Comparator | patient in semirecumbent position (head of the bed elevated to 30°), lying on the back, turned in the right lateral decubitus and turned in the left lateral decubitus in a randomized way, after prolonged fasting and 10 min after free oral intake of water |
|
| 45° semirecumbent position | Sham Comparator | patient in semirecumbent position (head of the bed elevated to 45°), lying on the back, turned in the right lateral decubitus and turned in the left lateral decubitus in a randomized way, after prolonged fasting and 10 min after free oral intake of water |
|
| 90° semirecumbent position | Sham Comparator | patient in semirecumbent position (head of the bed elevated to 90°), lying on the back, after prolonged fasting and 10 min after free oral intake of water |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| 6 hours fasting and free oral intake of water | Behavioral | Ultrasound examination of the gastric antrum are performed in volunteers after prolonged fasting and 10 min after oral intake of water. Volunteer should be lying on his/her back, right lateral decubitus position and left lateral decubitus position with randomization of the order. |
| Measure | Description | Time Frame |
|---|---|---|
| Change in ultrasound measurement of the antral cross sectional area according to the position | Ultrasound measurement of antral cross-sectional area | through study completion, an average of 20 min |
| Change in qualitative ultrasound assessment of gastric contents according to the position | qualitative ultrasound assessment of gastric contents | through study completion, an average of 20 min |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Hôpital Femme Mère Enfant | Lyon | 69500 | France |
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