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Original ArticleOpen Access
The Efficacy of Ginger in Prevention of Post-operative Nausea and Vomiting after Outpatient Gynecological Laparoscopy
Pongrojpaw D 
,
Chiamchanya MC
,
Chiamchanya MC DENSAK PONGROJPA W, MD*,
CHAROENCHAI CHIAMCHANY A, MD*
Objective : To study the efficacy of ginger in prevention of nausea and vomiting after out-
patient gynecological laparoscopy.
Study design : Double blind randomized controlled trial
Setting: Department of Obstetrics and Gynecology, Thammasat Hospital, Faculty of Medi-
cine, Thammasat University.
Material and Method :From January,2001 -December, 2001. 80 patients who underwent
outpatient gynecological laparoscopy were randomly allocated into group A (n
=
40) and group B (n
=
40):
The patients in group A received 2 capsules of ginger (I capsule contain 0.5 g of ginger powder)
I h before the procedure while the patients in group B received the placebo. The visual analogue
nausea scores (VANS) and vomiting times were evaluated at 2, 4 and 24 hours after operation.
Result : There was a significant difference in the incidence of the nausea between group A
[12 (30%)] and group B [23 (57.50%)] The VANS was lower in group A than in group Bat 2 and 4
hours (p
<
0.05). No difference of VANS at 24 hours was found in both groups. Incidence and fre-
quency of vomiting in group A were lower than group B but there were not statistically different.
Conclusion : From our data, ginger is effective in prevention of nausea after outpatient
gynecologicallaparoscopy.
Key word : Laparoscopy, Ginger, Nausea, Vomiting
CHAROENCHAI CHIAMCHANY A, MD*
Objective : To study the efficacy of ginger in prevention of nausea and vomiting after out-
patient gynecological laparoscopy.
Study design : Double blind randomized controlled trial
Setting: Department of Obstetrics and Gynecology, Thammasat Hospital, Faculty of Medi-
cine, Thammasat University.
Material and Method :From January,2001 -December, 2001. 80 patients who underwent
outpatient gynecological laparoscopy were randomly allocated into group A (n
=
40) and group B (n
=
40):
The patients in group A received 2 capsules of ginger (I capsule contain 0.5 g of ginger powder)
I h before the procedure while the patients in group B received the placebo. The visual analogue
nausea scores (VANS) and vomiting times were evaluated at 2, 4 and 24 hours after operation.
Result : There was a significant difference in the incidence of the nausea between group A
[12 (30%)] and group B [23 (57.50%)] The VANS was lower in group A than in group Bat 2 and 4
hours (p
<
0.05). No difference of VANS at 24 hours was found in both groups. Incidence and fre-
quency of vomiting in group A were lower than group B but there were not statistically different.
Conclusion : From our data, ginger is effective in prevention of nausea after outpatient
gynecologicallaparoscopy.
Key word : Laparoscopy, Ginger, Nausea, Vomiting
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