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| ID | Type | Description | Link |
|---|---|---|---|
| 08-0206-A |
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The purpose of this study will be to determine whether an intravenous dose of dimenhydrinate (also known as Gravol), given before the induction of spinal anesthesia, will decrease the incidence of intraoperative nausea and vomiting in patients undergoing Cesarean delivery.
This medication is commonly given during and after the surgery if required, but it is not known whether a preventative dose will decrease the overall incidence of these side effects.
Nausea and vomiting remain one of the most common complications of Cesarean delivery. The results of this study will show whether or not we can improve our present anesthesia regimen, and improve the satisfaction of patients undergoing Cesarean deliveries, by reducing the incidence of nausea and vomiting. Our current practice is not to use any medication for preventing nausea and vomiting unless required. However, nausea and vomiting come quite fast and unexpectedly during the operation, and most of the time the medication we give does not work fast enough. We are planning to study the anti-nausea medication dimenhydrinate (commonly known as Gravol), which has been safely and widely used during pregnancy, labour and Cesarean deliveries, hoping that its use will decrease the incidence of this unpleasant occurrence.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Dimenhydrinate | Active Comparator | Dimenhydrinate |
|
| Placebo | Placebo Comparator | Placebo |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Dimenhydrinate | Drug | single dose, 25mg, IV, diluted in 9.5mL normal saline. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Incidence of pre or post-delivery nausea as reported by the patient. Nausea will be defined as a subjectively unpleasant sensation associated with urge to vomit. | 2 hours |
| Measure | Description | Time Frame |
|---|---|---|
| Severity of nausea, assessed by visual analog scale (1-10) | 2 hours | |
| Presence or absence of retching or vomiting. | 2 hours | |
| Patient sedation as measured by the Ramsay sedation scale. This will be recorded preoperatively, intraoperatively and postoperatively. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Jose CA Carvalho, MD | MOUNT SINAI HOSPITAL | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Mount Sinai Hospital | Toronto | Ontario | M5G 1X5 | Canada |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 34002866 | Derived | Griffiths JD, Gyte GM, Popham PA, Williams K, Paranjothy S, Broughton HK, Brown HC, Thomas J. Interventions for preventing nausea and vomiting in women undergoing regional anaesthesia for caesarean section. Cochrane Database Syst Rev. 2021 May 18;5(5):CD007579. doi: 10.1002/14651858.CD007579.pub3. |
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| ID | Term |
|---|---|
| D009325 | Nausea |
| D014839 | Vomiting |
| ID | Term |
|---|---|
| D012817 | Signs and Symptoms, Digestive |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| D004111 | Dimenhydrinate |
| ID | Term |
|---|---|
| D004155 | Diphenhydramine |
| D005021 | Ethylamines |
| D000588 | Amines |
| D009930 | Organic Chemicals |
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| Placebo | Other | single dose, 10 mL normal saline, IV |
|
| 2 hours |
| Type and amount of any rescue antiemetic medication used. | 2 hours |
| Newborn Apgar scores at 1 and 5 minutes, as well as any NICU admission. | 2 hours |
| Technique of uterine closure (exteriorization vs. in-situ repair). | 30 minutes |
| Dose of opioid used as supplemental intravenous analgesia. | 2 hours |
| Number of episodes of hypotension. | 2 hours |
| Occurence of side effects: tachycardia, dizziness, restlessness, dry mouth, and desaturation. | 3 hours |
| D001559 |
| Benzhydryl Compounds |
| D001555 | Benzene Derivatives |
| D006841 | Hydrocarbons, Aromatic |
| D006844 | Hydrocarbons, Cyclic |
| D006838 | Hydrocarbons |
| D013806 | Theophylline |
| D014970 | Xanthines |
| D011688 | Purinones |
| D011687 | Purines |
| D006574 | Heterocyclic Compounds, 2-Ring |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D006571 | Heterocyclic Compounds |
| D004338 | Drug Combinations |
| D004364 | Pharmaceutical Preparations |