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The goal of this clinical trial is to assess differences in residual gastric volumes after stopping Miralax ingestion at different time points (2, 4, 6 hours) prior to anesthesia induction and compare it to the control (current institutional standard of care where no Miralax is given on the day of surgery).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 4hr NPO | Active Comparator | Miralax will be stopped 4 hours prior anesthesia induction |
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| 6hr NPO | Active Comparator | Miralax will be stopped 6 hours prior anesthesia induction |
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| 2hr NPO | Active Comparator | Miralax will be stopped 2 hours prior anesthesia induction |
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| Control | Active Comparator | Miralax will not be given day of surgery |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Stopping Miralax ingestion 4 hours prior to anesthesia induction | Behavioral | Stopping Miralax ingestion 4 hours prior to anesthesia induction |
|
| Measure | Description | Time Frame |
|---|---|---|
| Residual gastric volume as measured by EGD | To be performed at the start of the EGD immediately after anesthesia induction. |
| Measure | Description | Time Frame |
|---|---|---|
| Preoperative gastric POCUS volume assessment | Performed prior to anesthesia induction | |
| Effectiveness of colonoscopy cleanout | The effectiveness of colonoscopy cleanout will be assessed by the Boston Bowel Preparation Scale (BBPS). |
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Inclusion Criteria:
Exclusion Criteria:
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The endoscopist, the anesthesiologist performing the gastric POCUS evaluation, the anesthesiologist, the research coordinator
| Stopping Miralax ingestion 6 hours prior to anesthesia induction | Behavioral | Stopping Miralax ingestion 6 hours prior to anesthesia induction |
|
| Stopping Miralax ingestion 2 hours prior to anesthesia induction | Behavioral | Stopping Miralax ingestion 2 hours prior to anesthesia induction |
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| Control | Behavioral | Miralax will not be given on the day of surgery |
|
| Performed during the colonoscopy portion following upper GI endoscopy (EGD) |
| Incidence of aspiration on induction and perioperative aspiration | On anesthesia induction |