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Study aim
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Evaluation the effect of Ginger (Zingiber officinal) on the prevention of postoperative nausea and vomiting after breast surgeries
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Design
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80 patients will be selected as a research sample ,statistical calculations,that are eligible for inclusion in the study after the surgery completion and patient exit from anesthesia,then they will be divided in to intervention and control groups with binary blocking. in the intervention group ,4 ginger tablets (containing ginger powder)and in control group pills,similar to ginger capsules in terms of color ,odor,taste and shape ,containing ineffective pea powder will be used.the study is a randomized with parallel groups and double-blinded with control group.
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Settings and conduct
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The study will be conducted in surgery room of Imam Reza hospital .in intervention group 4 ginger tablets and in control group 4 placebo exactly similar to ginger tablets,will be prescribed one hour before surgery. immediately after completion of surgery and in recovery ,at 1,2,4,6,12,24 hours after operation ,patients will be asked about their nausea and vomiting .in this study patients and anesthesiologist will be blinded.
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Participants/Inclusion and exclusion criteria
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Inclusion:All of Patients who Being a Candidate for Elective Surgery and Based on ASA Classification are 1 or 2 ASA Class.
Exclusion:Patients with Cardiovascular, Hepatic and Kidney Disease;
Patients under Prescription of anti-nausea Drugs in the last 24 hours; Pregnancy and lactation.
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Intervention groups
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Patients in the intervention group will be given four ginger capsules containing ginger powder and patients in the control group will be received two capsules weighting 250 mg,containing chickpea powder that would be similar in shape,color,taste and odor to the capsules in group one,both along with 30ml water one hour before surgery.
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Main outcome variables
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Severity of postoperative nausea and vomiting