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This study evaluates the effectiveness of ginger on the incidence of postoperative nausea and vomiting in patients undergoing gynaecological surgery. Half the patients were given an oral dose of ginger preoperatively and half received placebo.
Postoperative nausea and vomiting (PONV) commonly complicate surgery and may lead to a prolonged length of stay in hospital, increased complication rates and decreased patient satisfaction. Gynaecological surgery is considered high risk for PONV.
Ginger is a cheap, widely available and safe natural product in Jamaica and has been found to reduce the incidence of Nausea and vomiting in other clinical situations, such as in pregnancy. It is believed to act via the inhibition of serotonergic receptors.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Placebo | Placebo Comparator | Two coloured capsules containing 0.5 mg of cornstarch and flavoured with non-active essence of ginger, given 2 hours before the scheduled start of surgery. |
|
| Ginger | Experimental | Two coloured capsules containing 0.5g ginger powder, flavoured with non-active essence of ginger, given 2 hours before the scheduled start of surgery. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Ginger | Dietary Supplement | Capsules containing 0.5g ginger powder, flavoured with non-active essence of ginger |
|
| Measure | Description | Time Frame |
|---|---|---|
| Incidence of post operative nausea or vomiting | The proportion of patient who have any episodes of nausea or vomiting following surgery | 12 hours after surgery |
| Measure | Description | Time Frame |
|---|---|---|
| Severity of post operative Nausea and vomiting | Measured using the Rhodes index | 12 hours after surgery |
| Severity of post operative Nausea and vomiting | Measured using the Rhodes index |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Hyacinth Harding, DM | UWI, Faculty of medical sciencces | Principal Investigator |
| Andrea Myers, MD | UWI, Faculty of medical sciencces | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of the West Indies | Kingston | Kng 7 | 00000 | Jamaica |
There is no plan to make patient data available to other researchers
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| ID | Term |
|---|---|
| D020250 | Postoperative Nausea and Vomiting |
| ID | Term |
|---|---|
| D011183 | Postoperative Complications |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D009325 | Nausea |
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| ID | Term |
|---|---|
| C000713927 | ginger extract |
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Quadruple, blind randomized, controlled trial
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Sequentially numbered, sealed, opaque envelopes prepared and opened the evening before the surgery. Tablets containing either placebo or ginger allocated by a person not involved in any other aspect of the study and administered on the morning of surgery.
| Placebo | Dietary Supplement | Two coloured capsules containing 0.5 mg of cornstarch and flavoured with non-active essence of ginger. |
|
| 24 hours after surgery |
| Severity of post operative Nausea and vomiting | Measured using the Rhodes index | 48 hours after surgery |
| Severity of post operative Nausea and vomiting | Measured using the BARF scale | 12 hours after surgery |
| Severity of post operative Nausea and vomiting | Measured using the BARF scale | 24 hours after surgery |
| Severity of post operative Nausea and vomiting | Measured using the BARF scale | 48 hours after surgery |
| Patient satisfaction | Measured using a questionnaire administered to patient by investigators | 48 hours post surgery |
| D012817 | Signs and Symptoms, Digestive |
| D012816 | Signs and Symptoms |
| D014839 | Vomiting |