• The Journal of Internal Korean Medicine
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• v.28 no.4
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• pp.769-778
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• 2007

Background & Object : Postprandial epigastric fullness is one of common symptoms in functional dyspepsia, but its pathophysiological mechanism has still been unknown. In this study, its association between postprandial epigastric fullness and pyloric valve disturbance was studied through analysis of bowel sounds and electrogastrography. Methods : Bowel sounds and electrogastrography were recorded together for fasting 15 min and postprandial 40 min. Parameters of bowel soundincluding motility index, sound to sound interval, standard deviation of sound to sound interval, sounds per minute, % of bowel sound, sound length, intensity, dominant frequency of sounds, and postprandial / fasting ratio of dominant frequency of sounds were analyzed with a specialized program. By electrogastrography, regularity of slow waves and power ratio were obtained. Results : Significances of bowel sounds appeared in motility index (p=0.046), dominant frequency of fasting (p=0.048), postprandial (p=0.003), and the ratio of postprandial/fasting (p=0.000); those of EGG parameters were shown in postprandial regularity of slow waves (p=0.006) and power ratio (p=0.011). Conclusion : Pyloric valve disturbance was a cause of postprandial epigastric fullness in patients with functional dyspepsia. Analysis of bowel sound might be useful in diagnosing its existence.

• The Journal of Internal Korean Medicine
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• v.29 no.3
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• pp.666-674
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• 2008

Objectives : The aim of this study was to evaluate gastrointestinal parasympathetic nerve activation and pyloric valve function in patients with functional dyspepsia through analysis of bowel sounds and to investigate clinical characteristics associated with the parameters of bowel sounds. Method : We surveyed clinical characteristics of patients by using a questionnaire about functional dyspepsia. Bowel sounds were recorded for 15 minutes during fasting state and for 40 minutes during postprandial state. We then classified the patients into 3 groups by abnormal states of bowel sounds, specifically by the percentage of B.S. and dominenet frequency, and studied clinical characteristics in each group. Results : Among the 182 subjects, patients who had low activity of parasympathetic nerve were 25.8% and showed a tendency of female-dominant, family history and more frequent abdominal pain. Those who had pyloric valve disturbance were 24.1% and showed no tendency by sex distribution, family history and complained of indigestion sensation. Patients who had both disorders were 10.9%, and their clinical characteristics were non-specific. Conclusion : Analysis of bowel sounds may be useful in evaluating pathophysiological factors of functional dyspepsia.

• Journal of Korean Academy of Nursing
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• v.34 no.7
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• pp.1164-1171
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• 2004

Purpose: The purpose of this study was to compare differences in the time when bowel sounds were heard and gas was passed in women who had an abdominal hysterectomy and were treated for 5 minutes (experimental group A) or 10 minutes (experimental group B) with San-Yin-Jiao (SP-6) acupressure. Method: The design of this study was a nonequivalent control group non-synchronized post test only design. The participants included 142 women, 39 in experimental group A, 30 in experimental group B, and 73 in the control group. Data was collected using a structured questionnaire which included items on general characteristics and a self report of time when gas was passed. Differences for the three groups as to time when bowel sounds were heard and gas was passed were analyzed using ANOVA. Result: The time when bowel sounds were heard was statistically significantly shorter in both experimental groups compared to the control group(F=10.29, p=.000). The time when gas was passed was statistically significantly shorter in experimental group B(10 min) compared to the control group(F=4.68, p=.011). Conclusion: It could be concluded that SP-6 acupressure of 10 minutes was effective in shortening the time until bowel sounds were heard and gas was passed for women who had had an abdominal hysterectomy. Replication of the study with a larger number of participants is necessary in order to be able to generalize the results.

• The Journal of Internal Korean Medicine
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• v.35 no.4
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• pp.439-447
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• 2014

Objectives: The aim of this study was to investigate whether 1) variation of bowel sounds recorded stably through an electronic stethoscope in a sound insulation box can be related with that of gastric contraction and 2) if they are thus useful tool in the measurement of the gastric contractility in awake rats or not. Methods: Electrical potentials of both electronic stethoscope of bowel sound and force transducer were recorded simultaneously and continuously in the sound insulation box for the starting 30 min of basal state, and then 30 min of 0.2 ml normal saline administration, finally 30 min of 0.2 ml mosapride citrate solution (100 mg/Kg) in rats. Each motility index of normal saline or mosapride citrate treatment was presented with ratio against the basal state by using integrated electrical potentials. Results: A pattern of significance of gastric contractility between bowel sound and force transducer was showed analogously. Conclusions: The amplitude of bowel sounds recorded by the electronic stethoscope related with the intensity of gastric contractions. This confirms that a sound insulation box and electronic stethoscope are useful tools in the measurement of the gastric contractility of awake rats.

• Herbal Formula Science
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• v.24 no.3
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• pp.213-224
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• 2016

Objectives : The purpose of this study is to investigate the effect of Leejung-tang plus Oryung-san Gamibang on functional diarrhea.Method : We treated a 72-year-old male who had severe watery diarrhea and bowel sounds. The patient was treated with Korean medicine including Oryung-san Gamibang from March 31, 2016 to May 23, 2016. Defecation frequency, Bristol stool scale, Bowel sound, Patient's condition were measured.Result : After oriental medical treatment, clinical symptoms of functional diarrhea (defecation frequency, stool form, bowel sounds) were recoverd normally.Conclusions : Leejung-tang plus Oryeong-san Gamibang effects on the functional diarrhea of a patient diagnosed as Deficiency Cold (虛寒). This case study shows that Oryeong-san Gamibang is clinically effective for functional diarrhea. So that, it is helpful in decreasing the symptoms of a patient and in improving quality of life.

• The Transactions of The Korean Institute of Electrical Engineers
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• v.60 no.4
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• pp.877-879
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• 2011

Bowel sounds (BS) are produced by the movement of the intestinal contents in the lumen of the gastro-intestinal tract during peristalsis and thus, it can be used clinically as useful indicators of bowel motility. We devised an estimation algorithm of bowel motility based on the regression modeling of the jitter and shimmer of BS signals measured by auscultation. Ten healthy males ($23.5\pm2.1$ years) were examined. Consequently, the correlation coefficient, coefficient of determination and standard error between the colon transit times (CTT) measured by a conventional radiograph and the values estimated by our algorithm were 0.98, 0.96 and 2.86, respectively. Also, through k-fold cross validation, the average value of the absolute differences between them was $5.0\pm2.5$ hours. This method could be used as a complementary tool for the non-invasive measurement of bowel motility.

• The Journal of Korean Medicine
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• v.40 no.1
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• pp.99-113
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• 2019

Objectives: This study is designed to identify the responses of autonomic nervous system and gastrointestinal function which are induced by acupuncture at abdominal anterior cutaneous nerve. Methods: This study is one group before and after pilot study. Subjects were treated once, after having been fasting six hours. They had before tests, labeling points for acupuncture, acupuncture, and after tests in order. The points of acupuncture were motor points of rectus abdominis where the abdominal anterior cutaneous nerve came to the skin from abdominal wall. Before and after tests were consisted of three things: Digital Infrared Thermographic Imaging(D.I.T.I.), Heart Rate Variability(HRV), and Recording of bowel sounds. Results: There were significant differences on the skin temperature of upper body and the frequency of bowel sounds(p<0.001, p<0.001). The HRV parameters and volume of bowel sounds had no significant differences(p>0.05, p>0.05). Conclusion: Even though no significant differences in HRV parameters, the significant differences of skin temperature of upper body and frequency of bowel sounds could mean acupuncture at abdominal anterior cutaneous nerve could affect the autonomic nervous system and gastrointestinal function. However, this study had no group to compare with. Future randomized project should address this issue.

• The Journal of Internal Korean Medicine
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• v.30 no.3
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• pp.604-611
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• 2009

Objectives : The aim of this study was to investigate the relationship between headache and gastric dysmotility in patients with functional dyspepsia by using electrogastrogram and bowel sounds analysis. Methods : 127 patients(male 40, female 87) with functional dyspepsia were enrolled. By using inquiry and the questionnaire, we examined whether each patient had headache and abdominal pain. All patients were divided into 4 groups according to the above symptoms. Gastric motility was measured during the fasting-postprandial state by using electrogastrogram and bowel sounds analysis. Results : 33 patients complained of headache. There was a significant difference between headache patients and non-headache patients in gastric arrhythmia of the fasting state. Moreover, in headache patients without abdominal pain, postprandial improvement of gastric arrhythmia was poorer than the other groups. So, headache patients without abnormal pain had more severe gastric myoelectrical rhythm disorder than headache patients with abdominal pain. Conclusion : Headache could be one of symptoms induced by gastric dysmotility in patients with functional dyspepsia. Especially, headache in functional dyspepsia was related to gastric arrhythmia.

• The Journal of Internal Korean Medicine
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• v.36 no.3
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• pp.276-283
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• 2015

Objectives: The purpose of this study is to report bowel sound patterns recorded in 3 diseases associated with structural deformity of the pylorus-duodenum. Methods: : Bowel sound recording is a useful non-invasive tool for the evaluation of gastrointestinal motility. However, the difficulty in manual attachment of the electronic stethoscope on the abdominal wall and noise production against bowel sound signals have prohibited its widespread use. Therefore, I developed a new apparatus that eliminates the noise; it contains a sound absorbing device and a holder for the head of stethoscope. Using the new bowel sound recording system, bowel sounds of the patients were recorded repeatedly. The endoscopic and abdominal computed tomography findings were obtained from other hospitals' medical record, and all patients were confirmed to have structural deformity in the pylorus-duodenum. The records of each patient were compared and assessed. Results: : Patients had either duodenal ulcer scar, pyloric stricture, or far advanced malignant stomach cancer, as diagnosed by the gastroscopy. Their dominant frequency of bowel sound obtained from the new system was checked more than 2 times at regular intervals. All 8 recordings in the 2 patients with duodenal ulcer scar (5 times) or pyloric stricture (3 times) showed a decrease in postprandial than fasting dominant frequency. One patient with stomach cancer showed no significant change between postprandial and fasting states at 2 recordings. Conclusions: The analysis of dominant frequency in bowel sounds can indicate the existence of pyloric obstruction that could delay gastric emptying.

• Journal of Physiology & Pathology in Korean Medicine
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• v.18 no.6
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• pp.1913-1917
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• 2004

This study was designed to report the clinical effects of oriental medical therapy on a patient whose irritable bowel syndrome did not improved under western medical therapy, Herbal medication, acupuncture and moxibustion therapy were applied to the patient for 12 days. The status and frequency of feces were checked and self-recognized symptoms (abdominal pain and bowel sounds) were checked to evaluate improvement. According to the above evaluation items, the treatment was beneficial. The status and frequency of feces became normal. Abdominal pain and bowel sounds ceased. The above results suggest that oriental medical therapy is beneficial for the patients with irritable bowel syndrome.