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KMID : 0363320180390030426
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Journal of Korean Oriental Internal Medicine
2018 Volume.39 No. 3 p.426 ~ p.442
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Effects of Electroacupuncture at Zusanli (ST36) on Ultrasonographic Gastric Emptying: A Pilot Study in Healthy Adults
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Ha Na-Yeon
Park Jae-Woo
Kim Jin-Sung
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Abstract
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Objective: This study aimed to compare the effects of Zusanli and nonacupoint electroacupuncture stimulation on ultrasonographic gastric emptying and vital signs in eight healthy participants. Gastric emptying and its rate of change were analyzed to search for correlation with physical characteristics such as body mass index (BMI), sternocostal angle, and abdominal wall thickness.
Methods: Eight healthy participants with no gastrointestinal disorders were enrolled in this study. Each participant went through three abdominal sonographies for gastric emptying assessment. At the second and third visits, participants received Zusanli and nonacupoint electroacupuncture stimulation in a random order. During the study period, we examined the BMI, sternocostal angle, and abdominal wall thickness of all participants. Vital signs (blood pressure, heart rate, and temperature) were also examined before and after the electroacupuncture stimulation.
Results: Electroacupuncture stimulation at Zusanli significantly improved gastric emptying when compared to nonacupoint stimulation. Gastric emptying showed a positive correlation with BMI, sternocostal angle, and abdominal wall thickness, but this correlation was statistically insignificant. The improvement rate of gastric emptying by Zusanli electroacupuncture stimulation showed a positive correlation with BMI and sternocostal angle and a negative correlation with abdominal wall thickness. However, such results were also statistically insignificant. Among vital signs, only heart rate showed a significant decrease according to Zusanli electroacupuncture stimulation.
Conclusions: A significant effect of Zusanli electroacupuncture was confirmed through ultrasonographic gastric emptying in healthy participants.
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KEYWORD
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gastric empyting, ultrasonography, Zusanli, ST36, electroacupuncture
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