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The purpose of this study is to determine the type of gastric content and quantify the volume of liquid gastric contents using ultrasonography in patients on GLP-1 agonists that have presented for elective surgery and to determine if risk factors are associated with a higher gastric volume in patients on GLP-1 receptor agonists.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Group G: Patients taking GLP-1receptor agonists |
| ||
| Group C: Patients not taking GLP-1 receptor agonists (control group) |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Gastric ultrasound | Diagnostic Test | Patient will be scanned first in the supine position and then in the right lateral decubitus position. The ultrasound probe will be placed in a sagittal plane in the epigastric region at the left subcostal margin and then will be moved past the midline in a fan like manner to the right subcostal region. Qualitative and quantitative assessments will be done. |
| Measure | Description | Time Frame |
|---|---|---|
| Number of subjects that are at risk for aspiration | Risk for aspiration is indicated by the presence of solids, thick fluid, or clear fluids >1.5ml/kg in the gastric antrum in the right lateral decubitus position | end of ultrasound |
| Number of subjects that are at low risk for aspiration | Low risk for aspiration is indicated by a collapsed gastric antrum or clear fluids <1.5ml/kg in the gastric antrum in the right lateral decubitus position. | end of ultrasound |
| Measure | Description | Time Frame |
|---|---|---|
| Age | end of ultrasound | |
| Number of participants that are male as indicated in the medical records | end of ultrasound | |
| Number of participants that are female as indicated in the medical records |
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Inclusion Criteria:
Exclusion Criteria:
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subjects presenting for elective surgery who are on Glucagon-Like peptide-1 agonist subcutaneous injection, once weekly will be included
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| Name | Affiliation | Role |
|---|---|---|
| Sudipta Sen, MD,FASA | The University of Texas Health Science Center, Houston | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| The University of Texas Health Science Center at Houston | Houston | Texas | 77030 | United States |
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| end of ultrasound |
| Body mass Index (BMI) | Body Mass Index (BMI) is calculated as the body mass in kilograms (kg) divided by the square of the body height in meters, and is expressed in units of kg/m2. | end of ultrasound |
| Physical status as assessed by the American Society of Anesthesiologists (ASA) physical status classification system | The classification ranges from American Society of Anesthesiologists (ASA)1 (normal healthy person ) to ASA IV (A patient with severe systemic disease that is a constant threat to life) | end of ultrasound |
| Number of participants with diabetes | end of ultrasound |
| Number of participants with reported nothing by mouth (NPO) status | end of ultrasound |
| Pain severity as assessed by the numeric scale | This is a 11 point scale with scores ranging from 0 (no pain) to 10 (worst imaginable pain) | end of ultrasound |
| Number of participants with Gastroesophageal reflux disease (GERD) | end of ultrasound |
| Number of participants that have use opioids preoperatively | end of ultrasound |