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Renal involvement in children and adolescents with inflammatory bowel disease
장혜민,백희선,김정은,김주영,이연희,조희연,최연호,Ben Kang,최병호,최봉석,조민현 대한소아청소년과학회 2018 Clinical and Experimental Pediatrics (CEP) Vol.61 No.10
Purpose: The incidence of inflammatory bowel disease (IBD) is rapidly increasing, and several reports have described the renal complications of IBD. We sought to evaluate the clinical manifestations of renal complications in children with IBD in order to enable early detection and prompt treatment of the complications. Methods: We retrospectively reviewed the medical records of 456 children and adolescents aged <20 years who had been diagnosed with IBD since 2000. We analyzed patient age, sex, medication use, IBD disease activity, and clinical manifestations of renal symptoms. Results: Our study comprising 456 children with IBD included 299 boys (65.6%) and 157 girls (34.4%). The study included 346 children with Crohn disease and 110 children with ulcerative colitis. The incidence of kidney-related symptoms was 14.7%, which was significantly higher than that in normal children. We observed 26 children (38.8%) with isolated hematuria, 30 children (44.8%) with isolated proteinuria, and 11 children (16.4%) with hematuria and concomitant proteinuria. A renal biopsy was performed in 7 children. Histopathological examination revealed immunoglobulin A nephropathy in 5 children (71.4%). All children presented with mild disease and well-controlled disease activity of IBD. Conclusion: Children with IBD are more likely to show kidney-related symptoms than healthy children and adolescents are. Therefore, regular screening of urine and evaluation of renal function in such children are necessary for early detection of renal complications.
건물형 전통시장의 평면과 내부배치 유형에 따른 피난 안전성 평가
장혜민,배영훈,손종영,홍원화,황정하 한국생활환경학회 2019 한국생활환경학회지 Vol.26 No.3
This study proposes user density [m2/person]requiredforperformance-based fire protection design of traditional markets by market size according to floating population through business district analysis. Furthermore, the floor plans and internal layouts of building-type traditional markets are analyzed and categorized into four floor plans and three internal layouts. The simulation input values are derived according to the floor plan and internal layout types, and fire and evacuation simulations are performed. The simulation results show that evacuation safety of the building-type traditional markets cannot be achieved because the required safe egress time (RSET) exceeds the available safe egress time (ASET). Thus, alternative solutions are presented by the size of traditional market. The evacuation safety can be secured by installing fire shutters and increasing the corridor width near the stairs for small and medium markets. For medium-large and large markets consisting of 3-story or high buildings, the evacuation safety can be secured by increasing the external stairs and corridor width. Thus, the standards for corridor width and fire shutters for preventing bottleneck phenomenon near the stairs by market size must be strengthened to secure the safety of users in the event of fires.
전통시장 상인의 소방시설과 화재안전에 대한 인지도 분석
장혜민,황정하 한국생활환경학회 2017 한국생활환경학회지 Vol.24 No.6
This study conducted and analyzed a question investigation on the fire safety awareness of merchants whostay long in traditional markets with high fire risks. 52% of the merchants were aged 60 years or older, 47% hadcareers of at least 20 years there, and 39% were working at least 10 hours a day on average. Experience of fire safetyeducation for merchants influenced their perception of the importance of safety education and their fire safety awareness. Support policies for fire were different depending on the existence of measures for fire. Experience on fire exhibiteda significant difference in the concern over fire in buildings. It was found that the merchants were aware of the firerisks in traditional markets but they preferred pleasant environments through improved heating and cooling facilitiesand aesthetic modernization to the maintenance of aging facilities.
장혜민,Hee Sun Baek,Sun-Hee Park,김용림,Chan-Duck Kim,정희연,조장희,한만훈,Yong Jin Kim,조민현 대한소아신장학회 2020 Childhood kidney diseases Vol.24 No.2
Purpose: Alport syndrome (AS) is one of the most common inherited renal diseases caused due to mutations of genes encoding specific proteins of the type IV collagen family, and its major clinical manifestations include progressive renal failure, sensorineural deafness, and ocular abnormalities. We investigated the clinical characteristics and long-term prognosis of AS in Korean pediatric and adult populations. Methods: We conducted a retrospective review of medical records of 33 children and adults who had been diagnosed or treated with AS from 1985 to 2019. Results: The mean age of the 33 patients diagnosed with AS was 16.2±13.6 years, and the male-to-female ratio was 2:1. At the first visit, recurrent gross hematuria was the most common initial symptom. In 10 of 33 patients (30.3%), sensorineural hearing loss (SNHL) was diagnosed, but none had ophthalmic problems. Moreover, 11 of 33 patients (33.3%) had advanced to end-stage renal disease (ESRD), and a significant difference was observed in the age of the patients who progressed to ESRD based on the presence or absence of SNHL (P =0.035). Conclusion: SNHL in AS can be an important prognostic factor for long-term deterioration of renal function. Further investigation is required to confirm the clinical course and the genetic characteristics of AS in Korea through prospective national cohort studies.
장혜민,김보성,김민하,박혜민,김기태,옥영빈,이경복 한국감성과학회 2017 춘계학술대회 Vol.2017 No.-
본 연구는 대학생들의 스마트폰 중독과 학습동기조절 사이의 관계를 살펴보고자 수행되었다. 이를 위해 스마트폰 중독 설문지와 자기조절 학습의 학습동기조절 요인의 설문지를 활용하여 이들의 스마트폰 중독과 학습동기조절을 측정하였다. 그 결과, 스마트폰 중독은 학습동기조절과 유의미한 정적 상관관계를 보이는 것으로 나타났다. 세부적으로는 동기조절 요인 중 시험불안과 외현적목표 지향이 스마트폰 중독과 유의미한 정적 상관곽계를 보이는 것으로 나타났다. 이러한 결과는 스마트폰을 많이 사용할수록 학습동기조절에 부정적인 영향을 미치는 것을 알 수 있다. 학습목표에 도달하기 위한 일정한 시간이 존재하는데, 그 시간을 채워야 한다는 압박과 스마트폰 중독 행동 사이의 충돌로 인해 시험불안이 발생하는 것이다. 또한 스마트폰 사용기간이 증가할수록 능동적인 탐색이나 활동보다는 수동적으로 주어지는 정보에 익숙해져서 학습동기에서도 외현적으로 주어지는 목표에만 반응하게 된다는 것이다. 따라서 스마트폰 중독이 학습동기조절에 큰 영향을 미치는 것으로 해석할 수 있다.
건물형 전통시장의 유동인구 특성을 반영한군집별 보행속도 예측과 화재안전관리방안 제시
장혜민,황정하 대한건축학회지회연합회 2023 대한건축학회연합논문집 Vol.25 No.5
Evaluating fire hazards of buildings and establishing fire safety management measures are essential because fires can cause casualties and extensive property damage. In view of these factors, traditional markets have a high risk of fire hazards, as has been proven in many fire accidents. To address this issue, this study provides basic data for establishing fire safety management measures through clustering of markets by considering the building and human characteristics of markets. To that end, we conduct a cluster analysis with the building and human characteristics of markets as variables. We examine the fire hazards of each cluster derived as a result of the analysis and present a simple discussion about the establishment of fire safety management measures. Commercial building-type markets were classified into four clusters, and fire hazards and the directions for establishing fire safety management measures were proposed considering the characteristics of each cluster. This is the first study that clustered the markets in South Korea, and it is significant in that the results of this study can be used as basic data for establishing fire safety management measures for markets in the future.