Effect of Aromatherapy on Postoperative Nausea, Vomiting

Study Overview
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Brief Summary
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The aim of this study is to evaluate the effect of the aromatherapy with lavender, rose or ginger essential oils on nausea, vomiting and postoperative quality of recovery scores in patients with postoperative nausea and vomiting.

Detailed Description
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Postoperative Nausea and Vomiting (PONV) relief is still challenge for the anesthesiologist. Pharmacological therapies is also cornerstone for treatment of PONV. Although future researches are needed, there is some proofs about the aromatherapy could provide an inexpensive, noninvasive and effective treatment for PONV.

Official Title
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Evaluating the Efficacy of Aromatherapy on Postoperative Nausea, Vomiting

Conditions
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Postoperative Nausea and Vomiting

Intervention / Treatment
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* Procedure: Lavender Aromatherapy
* Procedure: Rose Aromatherapy
* Procedure: Ginger Aromatherapy
* Procedure: Placebo Aromatherapy


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria : Be scheduled for elective surgery Have a postoperative nausea and vomiting Exclusion Criteria: Age > 65years or <18 years Not accepted to inhale lavender, rose or ginger oil Preoperative predications with anti emetic drugs Pregnancy or breastfeeding Asthma, Chronic obstructive pulmonary disease Poor sense of smell Allergy to the lavender, rose or ginger oil

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 65 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Lavender Aromatherapy<br>Aromatherapy with lavender essential oil. | Procedure: Lavender Aromatherapy<br>* the two drops of lavender essential oil will be dropped into the gauze and the patient will inhale it for 5 minutes.<br>* Other names: Aromatherapy with lavender essential oil;|
| Experimental: Rose Aromatherapy<br>Aromatherapy with rose essential oil | Procedure: Rose Aromatherapy<br>* the two drops of rose essential oil will be dropped into the gauze and the patient will inhale it for 5 minutes.<br>* Other names: Aromatherapy with rose essential oil;|
| Experimental: Ginger Aromatherapy<br>Aromatherapy with ginger essential oil | Procedure: Ginger Aromatherapy<br>* the two drops of ginger essential oil will be dropped into the gauze and the patient will inhale it for 5 minutes.<br>* Other names: Aromatherapy with ginger essential oil;|
| Placebo Comparator: Placebo Aromatherapy<br>Aromatherapy with pure water | Procedure: Placebo Aromatherapy<br>* the two drops of pure water will be dropped into the gauze and the patient will inhale it for 5 minutes<br>* Other names: Aromatherapy with pure water;|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| The change of the nausea scores | Nausea will be measured with verbal descriptive scale on 0 to 3 Likert-type scale(0=no nausea, 1=some, 2= a lot, 3= severe) | During postoperative 24 hours | 
| The change of the vomiting score | Vomiting will be measured with verbal descriptive scale (0=no vomiting, 1= 1 time, 2= 2 or 3 times, 3= 4 times and up) | During postoperative 24 hours | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| The consumption of the antiemetic drug | The antiemetic drug dose will be recorded | During postoperative 24 hours | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Postoperative Nausea and Vomiting, Aromatherapy, Quality of Health Care