• 한국학교보건학회지
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• 제20권1호
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• pp.25-35
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• 2007

Purpose: This study was to identify the types and characteristics of health problems of middle school students in Gangwondo. Methods: The subjects of the study were 11 middle schools from 47 schools with nurse teachers in Gangwondo. The anecdotal records of the school health clinics were collected from March to December in 1998 with the agreement of nurse teachers of the schools. Results: 71.0% of the middle students visited the school health care clinics once or more than once. The mean frequency of health problems was 2.03 times per one year. The rate of health problems did not show any statistical differences by sex, school location, age, the day of the week and weather. However, there were statistical differences of the rate by month. The highest rate was showed in September, followed by June and April (F=2.52, p=0.01). Health problems were classified into 11 types. Gastrointestinal illness showed the largest proportion (60.6%). The oral illness showed statistical differences among the location of school, between municipal and rural area (t=-2.97, p=0.016). There were 411 types of signs and symptoms recorded. Among them, headache was showed the highest proportion with 2,122 cases (11.2%). Conclusion : The incidence rate of health problems was higher than that of earlier studies. It showed that the incidence rates and the types of diseasps in middle school students were different by school locations, characteristics of students, and months. To improve the qualities of primary cares in school health services, the reformed and unified anecdotal record system and the standardized guidelines for primary care are necessary.

• 대한두개안면성형외과학회지
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• 제22권2호
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• pp.93-98
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• 2021

Background: Pediatric nasal fractures, unlike adult nasal fractures, are treated surgically as early as 7 days after the initial trauma. However, in some cases, a week or more elapses before surgery, and few studies have investigated the consequences of delayed surgery for pediatric nasal fractures. The purpose of this study was to evaluate the postoperative outcomes of pediatric nasal fractures according to the time interval between the initial trauma and surgery. Methods: The records of pediatric patients under 12 years old who underwent closed reduction of nasal bone fracture from March 2012 to February 2020 were reviewed. The interval between trauma and surgery was divided into within 7 days (early reduction) and more than 7 days (delayed reduction). Postoperative results were classified into five grades (excellent, good, moderate, poor, and very poor) based on the degree of reduction shown on computed tomography. Results: Ninety-eight patients were analyzed, of whom 51 underwent early reduction and 47 underwent delayed reduction. Forty-two (82.4%) of the 51 patients in the early reduction group showed excellent results, and nine (17.6%) showed good results. Thirty-nine (83.0%) of the 47 patients in the delayed reduction group showed excellent results and eight (17.0%) showed good results. No statistically significant difference in outcomes was found between the two groups (chi-square test p= 0.937). However, patients without septal injury were significantly more likely to have excellent postoperative outcomes (chi-square test p< 0.01). Conclusion: No statistically significant difference was found in the outcomes of pediatric nasal fractures between the early and delayed reduction groups. Successful surgical results were found even in patients who received delayed reduction (more than 7 days after trauma).

• 한국컴퓨터정보학회논문지
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• 제26권11호
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• pp.139-147
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• 2021

도서관 계에서 기계 가독 목록 형식(MARC)에 대한 대안으로 주목받고 있는 BIBFRAME은 기존 데이터와의 호환성을 유지하면서 오픈 웹 환경에서 새로운 서지기술 데이터모델을 제시한다. MARC의 한국형 데이터 모델인 KORMARC 레코드의 BIBFRAME 변환을 위해, 서울시 노원구립도서관의 최신 서지 데이터 5,000개를 분석하여 25개의 핵심 필드를 추출한다. 핵심 필드들을 MARC 21의 호환성 여부에 따라 세 가지 유형으로 분류하고, 각 유형별 변환 기법을 정의한다. 또한 오픈소스 기반의 변환기를 구현하여 KORMARC to BIBFRAME 변환 작업을 수행한다. 본 연구는 KORMARC to BIBFRAME 변환에 대한 기초연구로써, 실제 사용되는 최신 KORMARC 정보를 분석하여 변환 규칙을 정의하고, BIBFRAME 변환을 시도했다는 점에 의의가 있다.

• Annals of Pediatric Endocrinology and Metabolism
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• 제23권4호
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• pp.215-219
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• 2018

Purpose: We investigated the effect of overweight on luteinizing hormone (LH) levels after a gonadorelin stimulation test in Korean girls with idiopathic central precocious puberty (CPP). Methods: Medical records of 234 girls diagnosed with idiopathic CPP were reviewed retrospectively. CPP was diagnosed when the peak LH levels after gonadorelin stimulation was >5.0 U/L. The enrolled girls had a peak LH level >5.0 U/L after a gonadorelin stimulation test. Selected girls were classified as normoweight (body mass index [BMI] below the 85th percentile with respect to age) and overweight (BMI greater than the 85th percentile with respect to age). Results: The peak LH ($8.95{\pm}2.85U/L$ vs. $11.97{\pm}8.42U/L$, P<0.01) and peak folliclestimulating hormone ($9.60{\pm}2.91U/L$ vs. $11.17{\pm}7.77U/L$, P=0.04) after gonadorelin stimulation were lower in overweight girls with idiopathic CPP than in normoweight girls with idiopathic CPP. Being overweight was negatively associated with peak LH levels after gonadorelin stimulation test (odds ratio, 0.89; 95 % confidence interval, 0.81-0.98, P=0.02). Conclusion: In girls with idiopathic CPP, being overweight led to a lower LH peak after gonadorelin stimulation. Further research is needed to better understand the role of overweight on gonadotropin secretion in precocious puberty.

• Perinatology
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• 제29권4호
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• pp.159-164
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• 2018

Objective: To compare neonatal respiratory morbidity of twins according to birth order related to gestational age and mode of delivery. Methods: We performed the retrospective research of the medical records of 3,224 neonates (1,612 twin pairs) born in a single center from January 2011 to December 2015. Subjects were classified into four gestational age groups: very (<32 weeks), moderate (32-33 weeks), late (34-36 weeks) preterm, and term (${\geq}37weeks$) groups. We investigated clinical characteristics and respiratory morbidity according to birth order related to gestational age group and mode of delivery. Results: We found increased risk of respiratory morbidity in second-born twin than first-born twin (P=0.039). Second-born twin was associated with increased risk of respiratory distress syndrome (RDS) in late preterm group (odds ratio [OR] 2.8, 95% confidence interval [CI] 1.30-5.95), and transient tachypnea of newborn in term group (OR 1.4, 95% CI 1.03-1.81). In vaginal delivery mode, there was no difference of respiratory morbidity between first and second-born twin in each group, but in cases of Cesarean delivery, second-born twin was related with a greater risk of RDS in late preterm group (OR 2.3, 95% CI 1.07-5.09). Birth order and Cesarean section independently increased the risk of RDS (adjusted OR [aOR] 1.69, 95% CI 1.12-2.54; aOR 2.14, 95% CI 1.25-3.66, respectively). Conclusion: Second-born twin and Cesarean delivery are associated with increased risk of RDS, especially in late preterm twins.

• 대한두개안면성형외과학회지
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• 제19권4호
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• pp.270-274
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• 2018

Background: Nasal bone fractures occur frequently because the nasal bone is located at the forefront of the face. The goal of this study was to examine the cause, change in severity, change in incidence, and demographics of nasal bone fracture according to today's lifestyle. Methods: A total of 2,092 patients diagnosed as having nasal bone fractures at our department between 2002 and 2017 were included in this study. We retrospectively examined patients' medical records to extract information regarding age, sex, cause of injury, combined facial bone fractures, and related injuries such as skull base fracture, spinal cord injury, brain hemorrhage, and other bone fractures. Fracture severity was classified by nasal bone fracture type. Results: No statistically significant difference was found in annual number of patients treated for nasal bone fracture. The proportion of patients who underwent closed reduction was significantly decreased over time for those with nasal bone fractures caused by traffic accidents. However, it was not significantly changed for those with nasal bone fractures due to other causes. The number of patients with combined facial bone fractures increased over time. Incidences of severe nasal bone fracture also increased over time. Conclusion: The study suggested that there is a decrease in the frequency and increase in the severity of nasal bone fracture due to traffic accident. Many protective devices prevent nasal bone fractures caused by a small amount of external force; however, these devices are not effective against higher amounts of external force. This study highlights the importance of preoperative thorough evaluation to manage patients with nasal bone fractures due to traffic accident.

• 한국임상약학회지
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• 제29권2호
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• pp.101-108
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• 2019

Background: High doses of methotrexate (MTX) are often used in various chemotherapy protocols to treat acute lymphoblastic leukemia (ALL) and non-Hodgkin's lymphoma (NHL) in children, but its delayed elimination increases the occurrence of adverse events, such as bone marrow suppression. The aim of this study was to investigate the elimination of MTX at 24 and 48 hours. Methods: We retrospectively analyzed electronic medical records of ALL or NHL pediatric patients who received $5g/m^2$ MTX infusion over 24 hours (between June, 2012 and July, 2018) at the Yonsei University Health System, Korea. The delayed elimination of MTX concentrations was assessed with 100 or $150{\mu}M$ MTX at 24 hours, and 2 or $5{\mu}M$ at 48 hours. Results: Among the 85 MTX cycles administered, 23 cycles were classified in delayed elimination group, and 62 cycles showed normal elimination. At 24 hours, the delayed elimination group with MTX concentration > $100{\mu}M$ showed higher percentage than group with MTX concentration < $100{\mu}M$ (45.8% vs. 19.7%, p = 0.015). However, no differences were observed at $150{\mu}M$ MTX (p = 0.66). At 48 hours, the delayed elimination was higher than the normal elimination at both concentration baselines (p < 0.001 at $2{\mu}M$, p = 0.024 at $5{\mu}M$). Conclusions: MTX concentrations greater than $100{\mu}M$ show high probability of delayed elimination at 24 hours. When MTX levels are above normal, leucovorin and hydration regimens should be continued to prevent delayed elimination.

• 대한한방내과학회지
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• 제40권3호
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• pp.287-294
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• 2019

Objectives: This study aimed to investigate the clinical characteristics of patients with gastroesophageal reflux disease (GERD) according to globus sensation (GS). Methods: We reviewed the clinical records of 29 GERD patients who visited the Department of Digestive Diseases of Kyung Hee University Korean Medicine Hospital from March 1, 2018 to February 28, 2019. The subjects were classified according to the presence of globus sensation, and the two groups were compared in terms of heart rate variability (HRV) and the Ryodoraku results. Results: In comparing the GERD with GS group (GS group) and the GERD without GS group (non-GS group), a significant difference was found in the duration of symptom and several HRV parameters. The duration of the symptom in the GS group was significantly longer than that in the non-GS group. The non-GS group showed a significantly higher value of total power and high frequency than the GS group. Conclusions: The results suggest a significant difference in the stress level between patients with GERD with GS and those without GS. When approaching patients with GERD without GS, their stress status should be considered.

• 한방재활의학과학회지
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• 제29권3호
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• pp.129-139
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• 2019

Objectives The purpose of this study is to investigate present status of cooperation through Korean medicine and Western medicine collaboration process. Methods We have established Korean medicine and Western medicine collaboration process to examine the status of cooperation. The medical records were investigated retrospectively, the general characteristics of gender, age of cooperative patients, classification of disease, frequency of medical treatment and type of insurance were analyzed. Results The Korean medicine and Western medicine collaboration process conducted in 4 stages, the convenience of patient movements is considered. A total of 245 people received cooperative medical treatment, 156 were out-patient department (OPD) patients and 89 were hospitalized patients, both group have more women than men. When classified as disease, OPD patients were most diagnosed with Sprain and strain of lumbar spine, while hospitalized patients were most diagnosed with lumbar and other intervertebral disc disorders with radiculopathy. A total of 72.7% patients were received cooperative medical treatment at once. In a survey of cooperative satisfaction, 68.5% of all medical staff responded positively to the treatment effect, and 68.6% said the need for cooperation was necessary. Conclusions As a result of this study, we were able to see the present status of cooperation, and through this, we found an improvement in the continuation of the cooperation. Based on the present study, It is hoped that a cooperative process will emerge that can improve the problems shown in this study.

• 한국지반환경공학회 논문집
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• 제20권2호
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• pp.5-18
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• 2019

본 연구에서는 경상북도 전체를 대상으로 공간분포형 습윤지수와 뿌리보강무한사면안정해석 이론을 활용한 광역적인 산사태 분석을 실시하였다. 해석을 수행하기 위해 수치지도와 정밀토양도, 임상도 등을 이용하여 지형 지질학적 매개변수를 추출하고 $10m{\times}10m$ 해상도의 공간분포형 데이터베이스를 구축하였으며, 공간분포형 습윤지수를 생성하기 위한 비 집수면적은 무한방향흐름기법을 적용하였다. 광역적인 산사태 위험도 평가를 위한 안전율은 4개 등급으로 구분하여 도시하였다. 위험도 평가결과, 산사태 위험지역은 봉화와 김천 등 실제 최근의 산사태 발생지역과 유사성을 갖는 것으로 나타났으며 특히 산지와 인접한 지역에 unstable 지역이 집중적으로 분포되어 있는 것으로 분석되었다. 또한 산사태 기록과 비교해본 결과, 본 해석모형이 합리적인 매개변수의 축적을 통해 광역적인 산사태 위험성을 평가하는 유효한 방법임을 확인할 수 있다.