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Growth and Fresh Bulb Weight Model in Harvest Time of Southern Type Garlic Var. 'Namdo' based on Temperature (온도에 따른 난지형 마늘 '남도'의 생육과 수확기 구생체중 모델 개발)

  • Wi, Seung Hwan;Moon, Kyung Hwan;Song, Eun Young;Son, In Chang;Oh, Soon Ja;Cho, Young Yeol
    • Journal of Bio-Environment Control
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    • 제26권1호
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    • pp.13-18
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    • 2017
  • This study was conducted to investigate optimal temperature of garlic and develop bulb weight model in harvest time. Day and night temperature in chambers was set to $11/7^{\circ}C$, $14/10^{\circ}C$, $17/12^{\circ}C$, $20/15^{\circ}C$, $23/18^{\circ}C$, $28/23^{\circ}C$(16/8h). Bulb fresh and dry weight was heaviest on $20/15^{\circ}C$. In $11/7^{\circ}C$ and $14/10^{\circ}C$, leaf number and total leaf area increased slowly. But in the harvest, leaf number and total leaf area were not significant, except $28/23^{\circ}C$. Models were developed with fresh bulb weight. As a result of analyzing the model, $18{\sim}20^{\circ}C$ certified optimal mean temperature. And the growing degree day base temperature estimated $7.1^{\circ}C$, upper temperature threshold estimated $31.7^{\circ}C$. To verify the model, mean temperature on temperature gradient tunnel applied to the growth rate model. Lineal function model, quadric model, and logistic distribution model showed 79.0~95.0%, 77.2~92.3% and 85.0~95.8% accuracy, respectively. Logistic distribution model has the highest accuracy and good for explaining moderate temperature, growing degree day base temperature and upper temperature threshold.

Usefulness of a Alvarado Scoring System for the Diagnosis of Acute Appendicitis in Children (소아 충수돌기염 진단에서 Alvarado Scoring System의 유용성)

  • Yang, Eun Seok;Yoon, Sung Kwan;Kim, Eun Young;Rho, Young Il;Park, Sang Kee;Park, Yeong Bong;Mun, Gyeong-Rae
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • 제7권1호
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    • pp.1-7
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    • 2004
  • Purpose: Alvarado scoring system was evaluated regarding its usefulness for the early diagnosis of acute appendicitis in adult and in reduction of the incidence of negative appendicectomies. To evaluate the accuracy of diagnosing appendicitis using the Alvarado score in children. Methods: Prospectively, we surveyed 122 patients (male 67, female 55) suffering from abdominal pain, who had visited to the emergency department of Chosun University Hospital from June 2002 to May 2003. The Alvarado score has been computed from the white blood cell count, neutrophil count, body temperature, resistance in the right lower quadrant, length of symptoms, nausea and vomiting. Each patient was evaluated by a pediatric resident and then by a general surgeon independently. Results: Out of 170 total children who visited to the emergency department due to abdominal pain, 122 patients were associated with appendicitis. A total of 122 patients (67 male and 55 female) were visited to the emergency room with suspected appendicitis. From 105 operated patients, 92 (87.6%) were diagnosed acute appendicitis and erronous diagnostic rate was 12.4%, pathologically. Mean alvarado score of appendicitis group was $5.40{\pm}1.24$ whereas those of non-appendicitis group was $3.73{\pm}1.82$ (p<0.05). From 6 Alvarado score high sensitivity (86.4%) and high specificity (80.0%) were observed. Sensitivity of ultrasonography or computed tomography was 92.5%. Conclusion: We found that Alvarado score system is a noninvasive, safe diagnostic method, which is simple, reliable and repeatable. Alvarado score is useful system for a first, rapid and economic evaluation for the appendicitis in children.

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Prevalence of Obesity and Its Relationship to Diet on Elementary Students (학동기 아동의 비만유병률과 체중조절 실태에 관한 연구)

  • Rho, Young-Ill;Kim, Kang-Ho;Yang, Eun-Seok;Park, Young-Bong;Park, Sang-Kee;Park, Jong;Moon, Kyung-Rye
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • 제3권2호
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    • pp.181-187
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    • 2000
  • Purpose: The purpose of our study is to provide useful information for the prevalence of obesity by the standard weight for height and the relationship of the body image to dieting methods for weight control in children. Methods: The survey was performed by an anthropometry and a special questionnaire on children in grades 5 to 6 at elementary schools from May to June 1997 in Kwangju city. Results: 1) Selected individuals were categorized into obese, normal, thin by the standard weight for height and body image. The prevalence of obesity by the standard weight for height was 19.5%, normal was 70.5%, thin was 10.1% in males and respectively 10.5%, 66.3%, 23.1% in females. The prevalence of obesity in regards to body image was 18.4%, normal was 58.4%, thin was 23.2% in males and respectively 24.5%, 58.6%, 16.9% in females. 2) The obese body image was 6.8% in normal and thin groups in males and 19.4% in females. The body image of obese children who do not perceive themselves as obese was 32.6% in males and 28.7% in females. 3) The standard body image was 88.8% as realized by themselves, 77.9% when they compared themselves to friends, 62.7% as told by parents, 56.8% as told by friends, and 29.9% when they compared themselves to celebrities. 4) The source of information for dieting treatment was 44% from radio and television, 30% from books, newspapers, magazines, 17% from family and 9% from friends and seniors. 5) The prevalence of dieting according to the standard weight for height was 18.0% in thin, 18.7% in normal and 36.7% in obese group in males and respectively 17.8%, 22.4%, 46.3% in females. There was a statistically significant correlation between males and females (p<0.0005). 6) The prevalence of dieting up to 2 weeks in the thin and normal groups as recognized by weight centile was 17.3% according to body image. The prevalence of dieting up to 2 weeks in the obese groups was 37.2% according to body image (p<0.001). Conclusion: We suggest that many students perceived their body size incorrectly and tried weight control. The incorrect perception of body size seems to cause the problem of failure to thrive, malnutrition etc. It is necessary for further study to find and prevent side effects by unnecessary weight control and to provide proper health education and management about obesity.

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The Relationship of between Anxiety Tendency and Recurrent Abdominal Pain in Elementary School Children (학동기 소아에서 반복성 재발성 복통과 불안 성향과의 관련성)

  • Moon, Ji-Young;Moon, Kyung-Rye
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • 제10권2호
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    • pp.129-137
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    • 2007
  • Purpose: It has been reported that children with chronic pain have higher levels of anxiety than age-matched controls. Therefore, this study was designed to determine the relationship between anxiety and recurrent abdominal pain in elementary school children. Methods: In 2005, we surveyed 1,254 elementary school children (592 boys and 662 girls) whose ages ranged from 7 to 12 years. The degree of trait and state anxiety was compared between agroup suffering from intermittent abdominal pain, a group suffering from recurrent abdominal pain and a normal control group following the Korean version of Spielberger's State-Trait Anxiety Inventory YZ form (STAI-YZ). Results: 709 (56.5%) and 69 (5.5%) of the patients reported intermittent abdominal pain and and recurrent abdominal pain, respectively, during the 12 month period before this study was conducted, and trait and state anxiety values for each of these groups was 116 (9.3%) and 63 (5.0%), respectively. In addition, the State-Trait Anxiety score was significantly higher in the group with intermittent abdominal pain and RAP than the anxiety score of the normal control group. Additionally, the STAI-YZ score increased in proportion to the severity of abdominal pain, but was not correlated with the duration, frequency, onset time or location of abdominal pain. Furthermore, the proportion of the group with abdominal pain in the group that had trait or state anxiety was significantly higher than the proportion of the group that did not have trait and state anxiety. Conclusion: Recurrent abdominal pain during childhood is correlated with state and trait anxiety, therefore, psychological factors, such as anxiety duringtreatment, must also be considered when determining the cause of recurrent abdominal pain.

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Effects of Secondary Task on Driving Performance -Control of Vehicle and Analysis of Motion signal- (동시과제가 운전 수행 능력에 미치는 영향 -차량 통제 및 동작신호 해석을 중심으로-)

  • Mun, Kyung-Ryoul;Choi, Jin-Seung;Kang, Dong-Won;Bang, Yun-Hwan;Kim, Han-Soo;Lee, Su-Jung;Yang, Jae-Woong;Kim, Ji-Hye;Choi, Mi-Hyun;Ji, Doo-Hwan;Min, Byung-Chan;Chung, Soon-Cheol;Taek, Gye-Rae
    • Science of Emotion and Sensibility
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    • 제13권4호
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    • pp.613-620
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    • 2010
  • The purpose of this study was to quantitatively evaluate the effects of the secondary task while simulated driving using the variable indicating control of vehicle and smoothness of motion. Fifteen healthy adults having 1~2years driving experience were participated. 9 markers were attached on the subjects' upper(shoulder, elbow, Wrist) and lower(knee, ankle, toe) limbs and all subjects were instructed to keep the 30m distance with the front vehicle running at 80km/hr speed. Sending text message(STM) and searching navigation(SN) were selected as the secondary task. Experiment consisted of driving alone for 1 min and driving with secondary task for 1 min, and was defined driving and cognition blocks respectively. To indicate the effects of secondary task, coefficient of variation of distance between vehicles and lane keeping(APCV and MLCV) and jerk-cost function(JC) were analyzed. APCV was increased by 222.1% in SN block. MLCV was increased by 318.2% in STM and 308.4% in SN. JC were increased at the drivers' elbow, knee, ankle and toe, especially the total mean JC of lower limbs were increased by 218.2% in STM and 294.7% in SN. Conclusively, Performing secondary tasks while driving decreased the smoothness of motion with increased JC and disturbed the control of vehicle with increased APCV and MLCV.

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The Effect of Long-term Steroid Therapy Combined with Azathioprine in Henoch-$Sch{\ddot{o}}nlein$ Nephritis (Henoch-$Sch{\ddot{o}}nlein$(HS) 신염에서 장기 스테로이드와 Azathioprine의 병합치료 효과)

  • Moon, Kyoung-Sang;Jin, So-Young;Kim, Eun-Mi
    • Childhood Kidney Diseases
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    • 제2권2호
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    • pp.118-124
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    • 1998
  • Purpose : There is no specific treatment guidelines for Henoch-$Sch{\ddot{o}}nlein$(HS) nephritis. Therefore we performed this study to observe the effect of long term steroid therapy combined with azathioprine Methods : Treatment protocols; 1) Steroid pulse therapy: methylprednisolon 30 mg/kg/dose, maximum 1 gm, intravenolisly 6 times for alternate day. 2) Oral steroid was given 2 mg/kg/day for 1 month, 1 mg/kg/day for following 1 month and alternate day oral steroid combined with azathioprine 2 mg/kg/day for 2 years. Results : Time period from HSP to onset of HS nephritis was between 2 weeks to 5 months with mean $7.4{\pm}7.4$ weeks. Clinical remission were seen in 4 cases out of 5 ($80\%$). Mean time period with disappearance of proteinuria and microscopic hematuria were $5{\pm}2.4$ month and $13.3{\pm}2.9$ month respectively. On pathologic findings by ISKDC, 3 cases were grade IIIb, 2 cases were grade IV in first kidney biopsies and showed pathologic improvement in follow up tidneybiopsiesafterlyearstreatment. Conclusion : As there is no definitive treatment for HS nephritis so far, our study of long term oral steroid therapy with azathioprine was effective in clinical and histologic aspect. Therefore further study in HS nephritis with in a large group will be needed in the future.

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Clinical Significance of Hypopharyngeal pH Monitoring in Gastroesophageal Reflux (위식도 역류에 대한 후두인두부에서 산도 검사의 의의)

  • Jeong, Da Woon;Kim, So Hee;Kim, Eun Young;Moon, Kyung Rye
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • 제8권2호
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    • pp.143-149
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    • 2005
  • Purpose: The aim of this study was to evaluate the significance of pH monitoring at two levels, hypopharynx and esophagus in gastroesophageal reflux. Methods: 29 patients with pathological gastroesophageal reflux were classified into two groups: Group I had recurrent respiratory symptoms and Group II had not recurrent respiratory symptoms. The ambulatory pH monitoring was performed at the hypopharynx and the esophagus simultaneously with two channel catheter for 18~24 hr. The pathological reflux was defined when the percent of time that pH was below 4.0 exceeding the 95th percentile of normal value. Hypopharyngeal reflux was defined as the pharyngeal pH drops below 4. Results: 39 patients were performed pH monitoring at the level of hypopharynx and esophagus for 24 hours. Among 7 patients with chronic respiratory symptom, 6 patients (85.7%) have pathological esophageal reflux. Among 32 patients without chronic respiratory symptom, 23 patients (71.8%) have pathological esophageal reflux. Thus 29 out of 39 patients (74%) have pathological esophageal reflux. In the Group I, all parameters except the longest episode showed significant differences between hypopharyngeal and esophageal pH monitoring. None of parameters showed significant differences between group I and II in the pharyngeal pH monitoring. Conclusion: Regardless of presence of respiratory symptoms, the pH monitoring at the pharyngeal level in patients with gastroesophageal reflux did not showed any differences compared with the esophageal pH monitoring. Therefore we may reconsider the usefulness of hypopharyngeal pH monitoring in patients with chronic respiratory symptoms.

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A Study of Dual-probe Esophageal pH Meter in Children with Gastroesophageal Reflux (위식도 역류질환 환아에서 보행성 이중채널 식도내 산도 검사에 대한 연구)

  • Ahn, Young-Joon;Moon, Kyung-Rye
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • 제3권1호
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    • pp.9-16
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    • 2000
  • Purpose: The aim of this study was to determine how much acid exposure would occur in the proximal esophagus, both in normal and in patients with abnormal distal esophageal acid exposure. Methods: Fourty-six patients with suspected GER were classified into two groups, 24 patients with pathological distal reflux (group I); 22 patients with normal distal reflux (group II). The ambulatory dual-probe esophageal pH monitoring was performed for 18-24hr. The abnormal reflux was defined when the percent of time that pH was below 4.0 exceeded the 95th percentile of normal value. Results: The siginficant differences between distal and proximal esophageal pH recordings in group I persisted for all parameters except for the longest episode, but didn't persist in group II. At the distal esophageal site, the median percent time with pH<4.0 in group I was 19.3 and significantly higher than at proximal site. Half of patients with pathological distal reflux also had proximal acid reflux. Correlation coefficients between the distal and proximal esophageal sites in group I of the number of reflux episodes and time of the longest episode were 0.451 and 0.646 respectively. Conclusion: The 50 percent of patients with pathological distal acid reflux also had abnormal acid exposure in the proximal esophageal site. Therefore, we recommand simultaneous pH recordings from dual probe esophageal sites in children with gastroesophageal reflux.

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Eating Habits of Children Under 4 Years with Poor-Feeding (식욕부진이 있는 4세 이하 영.유아의 식이 습관에 대한 조사)

  • Yoon, Young-Hun;Park, Yeung-Bong;Yang, Eun-Seok;Rho, Young-Ill;Kim, Eun-Young;Moon, Kyung-Rye;Lee, Chul-Gab
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • 제6권2호
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    • pp.167-173
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    • 2003
  • Purpose: To find out the differences in eating habits between poor feeding and non-poor feeding children. Methods: We performed questionnaires on 504 children under four years of age who visited hospitals in Gwangju city and JaollaNamdo from May to August, 2002. Results: 138 (27.4%) children were included in poor feeding group, and 366 (72.%) children were in non-poor feeding group. Breast feeding rate was 18.8% in the poor feeding group and 20.3% in the non-poor feeding group. Duration of breast feeding for less than six months were noted in 70.5% of poor feeding group, and 58.5% of non-poor feeding group. The time at starting solid food in the poor feeding group was as follows; 15.9% of infants started on solid food when they were 2~4 months old, 32.7% during 4~6 months, 38.1% during 6~8 months and 18.8% over one year of age. Solid food was given in wrongly manners in both groups by nursing bottles, including 80.4% in poor feeding group and 66.6% in non-poor feeding group. Conclusion: This study demonstrated close relationships among poor feeding children under four years of age with history of low rate and short duration of breast feeding, inappropriate time to start on solid food, less interest in food during mealtime, and unbalanced diet. Pediatricians should make an effort to play an important role in nutritional education and treatment in children.

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An Epidemiologic Study on the Seropositive Rate of Hepatitis A Virus in Children of Gwangju and Jeonnam (광주, 전남 지역 소아의 A형 간염 항체 보유율에 대한 연구)

  • Jung, Ji;Ahn, Young-Joon;Moon, Kyung-Rye
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • 제14권1호
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    • pp.67-73
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    • 2011
  • Purpose: Recently, the incidence of acute hepatitis A has increased nationwide and is related to a low rate of IgG anti-HAV production. To establish effective measures for preventing hepatitis A virus infection, an epidemiologic study on the seroprevalence of anti-HAV is needed. Thus, we investigated the seroprevalence of IgG anti-HAV in children living in Gwangju and Jeonnam. Methods: IgG anti-HAV levels were measured in a total of 1,435 patients who visited Chosun University Hospital between January 2009 and December 2009. Results: The overall seropositve rate was 40.8% (586/1,435). The seropositive rates were 41% among children under the age of 1 year, 49.9% for children 1~5 years old, 51.1% among individuals 5~10 years old, 12.9% for individuals 10~15 years old, and 8.2% for subjects over 15 years old. There was no significant difference between genders in any group. The seropositive rates in Gwangju and Jeonnam were 57.3% and 32.9% for children under the age of 1 year, 52.5% and 44.3% for children 1~5 years old, 60.2% and 33.9% among children 5~10 years old, 14.1% and 9.7% for children 10~15 years old, and 10.8% and 4.2% for individuals over 15 years old. Conclusion: The results demonstrated the low rates of IgG anti-HAV, particularly among subjects over 10 years old, which suggests the possibility of increasing clinical HAV infection rates among adults in the near future. We should actively prevent the spread of hepatitis A virus. Vaccination is the most effective means of preventing hepatitis A virus transmission among persons at risk for infection. Hepatitis A vaccination is recommended for children who have low IgG anti-HAV seropositive rates.