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반사 시스템 응용에 의한 북측면의 태양 복사에너지 강도
최원기,유경돈,서승직 대한건축학회 2004 대한건축학회논문집 Vol.20 No.11
This paper focuses on applications to a sun reflecting(hereafter referred to as suncatcher) system for the increase of solar radiant energy intensity in the north surface of building. This suncatcher system uses the same principle as reflecting solar collectors and is similar to the 'Le four solaire d'Odello' of French. This paper performs its fundamental study through the simplified numerical model. Preliminary results indicate the suncatcher system could provide profitable conditions for solar thermal collection of the north surface in all climates. As a passive device, application of suncatcher baffle outside the north surface in building could significantly increase the level of thermal collection on a sunny day. Consequently, the suncatcher system is proved to be an effective device for the improvement of environment performance in the north surface. An additional study is required to establish the complete suncatcher system on the basis of this research. This approach could have implications for energy efficiency and conservation, effectively utilizing the free resource of solar radiation.
야뇨증 환아들의 심리사회적 특성에 대한 다기관 연구 : 행동 및 정서 문제를 중심으로
조수철,김재원,신민섭,황준원,한상원,박관현,이상돈,김경도,김건석,서홍진,이유식,정재용,김영균,문두건,남궁미경,한창희,조원열,김영식,배기수,이종국,정우영,신의진 大韓神經精神醫學會 2005 신경정신의학 Vol.44 No.6
Objectives : The aim of this study was to examine the behavioral and emotional problems associated with nocturnal enuresis in Korean children. Methods : Three hundred eighteen children with nocturnal enuresis, together with their parents, completed the Child Behavior Checklist (CBCL), Disruptive Behavior Disorder Scale according to DSM-IV (DBDS), Children's Depression Inventory (CDI), State-Trait Anxiety Inventory for Children (STAIC), and Piers-Harris Children's Self-Concept Scale (PHCSC). Ninety-three normal students were selected as the control group. Results : Compared to the normal control group, the mean scores with regard to the withdrawn, social problems, attention problems, delinquent behavior, aggressive behavior, externalizing problems and total problems profiles were significantly higher in the nocturnal enuresis group according to the CBCL results. The nocturnal enuresis group also scored significantly higher in the ADHD and ODD profiles of the DBDS. The nocturnal enuresis group was more depressed and anxious than the control group according to the results of the CDI and STAI. The mean score of the PHCSC was significantly lower in the nocturnal enuresis group when compared to the normal control group. Conclusion : The results of this study suggest that children with nocturnal enuresis in Korea have clinically relevant behavioral and emotional problems. The findings support the link between nocturnal enuresis and psychopathology in Korean children.
Yoo, Kyung Don,Kim, Clara Tammy,Kim, Myoung-Hee,Noh, Junhyug,Kim, Gunhee,Kim, Ho,An, Jung Nam,Park, Jae Yoon,Cho, Hyunjeong,Kim, Kyoung Hoon,Kim, Hyunwook,Ryu, Dong-Ryeol,Kim, Dong Ki,Lim, Chun Soo,Ki Wolters Kluwer Health 2016 Medicine Vol.95 No.33
<▼1><P>Supplemental Digital Content is available in the text</P></▼1><▼2><P><B>Abstract</B></P><P>Data regarding kidney transplantation (KT) and dialysis outcomes are rare in Asian populations. In the present study, we evaluated the clinical outcomes associated with KT using claims data from the Korean national public health insurance program. Among the 35,418 adult patients with incident dialysis treated between 2005 and 2008 in Korea, 1539 underwent KT. An optimal balanced risk set matching was attempted to compare the transplant group with the control group in terms of the overall survival and major adverse cardiac event–free survival. Before matching, the dialysis group was older and had more comorbidities. After matching, there were no differences in age, sex, dialysis modalities, or comorbidities. Patient survival was significantly better in the transplant group than in the matched control group (<I>P</I> < 0.001). In addition, the transplant group showed better major adverse cardiac event–free survival than the dialysis group (<I>P</I> < 0.001; hazard ratio, 0.49; 95% confidence interval, 0.32–0.75). Korean patients with incident dialysis who underwent long-term dialysis had significantly more cardiovascular events and higher all-cause mortality rates than those who underwent KT. Thus, KT should be more actively recommended in Korean populations.</P></▼2>
Disaster preparedness for earthquakes in hemodialysis units in Gyeongju and Pohang, South Korea
( Kyung Don Yoo ),( Hyo Jin Kim ),( Yunmi Kim ),( Jae Yoon Park ),( Sung Joon Shin ),( Seung Hyeok Han ),( Dong Ki Kim ),( Chun Soo Lim ),( Yon Su Kim ) 대한신장학회 2019 Kidney Research and Clinical Practice Vol.38 No.1
In 2016 and 2017, there were earthquakes greater than 5.0 in magnitude on the Korean Peninsula, which has previously been considered an earthquake-free zone. Patients with chronic kidney disease are particularly vulnerable to earthquakes, as the term “renal disaster” suggests. In the event of a major earthquake, patients on hemodialysis face the risk of losing maintenance dialysis due to infrastructure disruption. In this review, we share the experience of an earthquake in Pohang that posed a serious risk to patients on hemodialysis. We review the disaster response system in Japan and propose a disaster preparedness plan with respect to hemodialysis. Korean nephrologists and staff in dialysis facilities should be trained in emergency response to mitigate risk from natural disasters. Dialysis staff should be familiar with the action plan for natural disaster events that disrupt hemodialysis, such as outages and water treatment system failures caused by earthquakes. Patients on hemodialysis also need to be educated about disaster preparedness. In the event of a disaster situation that results in dialysis failure, patients need to know what to do. At the local and national government level, long-term preparations should be made to handle renal disaster and patient safety logistics. Moreover, Korean nephrologists should also be prepared to manage cardiovascular disease and diabetes in disaster situations. Further evaluation and management of social and national disaster preparedness of hemodialysis units to earthquakes in Korea are needed.
( Kyung Don Yoo ),( Hajeong Lee ),( Yaerim Kim ),( Sehoon Park ),( Joong Shin Park ),( Joon Seok Hong ),( Chang Wook Jeong ),( Hyeon Hoe Kim ),( Jung Pyo Lee ),( Dong Ki Kim ),( Kook-hwan Oh ),( Kwon 대한신장학회 2018 Kidney Research and Clinical Practice Vol.37 No.4
Background: Woman kidney donors face obstetric complication risks after kidney donation, such as gestational hypertension and preeclampsia. Studies on childbirth-related complications among Asian women donors are scarce. Methods: This retrospective cohort study included woman donors aged 45 years or younger at the time of kidney donation in a single tertiary hospital between 1985 and 2014. Pregnancy associated complications were investigated using medical records and telephone questionnaires for 426 pregnancies among 225 donors. Matched non-donor controls were selected by propensity score and the maternal and fetal outcomes were compared with those of donors. Primary outcomes were differences in maternal complications, and secondary outcomes were fetal outcomes in pregnancies of the donor and control groups. Results: A total of 56 cases had post-donation pregnancies. The post-donation pregnancies group was younger at the time of donation and older at the time of delivery than the pre-donation pregnancies group, and there were no differences in primary outcomes between the groups except the proportion receiving cesarean section. Comparison of the complication risk between post-donation pregnancies and non-donor matched controls showed no significant differences in gestational hypertension, preeclampsia, or composite outcomes after propensity score matching including age at delivery, era at pregnancy, systolic blood pressure, body weight, and estimated glomerular filtration ratio (odds ratio, 0.63; 95% confidence interval, 0.19-2.14; P = 0.724). Conclusion: This study revealed that maternal and fetal outcomes between woman kidney donors and non-donor matched controls were comparable. Studies with general population pregnancy controls are warranted to compare pregnancy outcomes for donors.
유경돈 ( Kyung Don Yoo ),장원 ( Won Jang ),홍진희 ( Jin Hee Hong ),이혁표 ( Hyuk Pyo Lee ),최수전 ( Soo Jeon Choi ),최상봉 ( Sang Bong Choi ) 대한내과학회 2009 대한내과학회지 Vol.77 No.4
Acute eosinophilic pneumonia (AEP) is characterized by eosinophilic infiltration in the lungs, respiratory distress, a rapid therapeutic response to corticosteroids, and the absence of relapse. Some cases of AEP are caused by infections, drugs, and inhaled antigens. Cigarette smoking is considered a probable cause of AEP, as AEP has developed soon after starting to smoke in some patients and a challenge with cigarette smoking was positive in some patients. All reported patients with cigarette smoking-induced AEP were active smokers, while no case of AEP caused by passive smoking has been reported. We present a case of AEP presumed to have been caused by passive cigarette smoking. (Korean J Med 77:508-511, 2009)
Yoo-Kyung Kim,Sang-Hyun Han,Chi-Hoon Lee,Yong-Don Lee 한국발생생물학회 2017 한국발생생물학회 학술발표대회 Vol.2017 No.8
This study carried out to examine the association between the haplotypes of mitochondrial control region (CR) and growth traits of two F1 progeny populations of the Red-spotted grouper. We found polymorphic patterns of the 133-bp repeat units in the CR. In the BBR01 population (70-days after hatching), a total of 1,091 F1 progeny were divided into three haplotypes (H01, H03 and H04). The significant differences were found in the levels of BL, BW and LWI (p<0.05). The F1 animals with the haplotype H01 had greater level of BL (50.815±4.586 mm) than those of H03 (47.270±6.486 mm) and H04 (47.179±6.278 mm). The H01 F1 fishes were heavier level of BW (2.270±0.559 g) than those of H03 (1.789±0.711 g) and H04 (1.797±0.706 g). In the BBR02 population (11-months after fertilization), three haplotypes H03, H04 and H05 were detected. The significant difference was found only in the BL values among three haplotypes (p<0.05). The F1 animals with the haplotype H03 had greater level of BL (19.22±2.000 cm) than those of H04 (18.64±1.964 cm) and H05 (18.86±1.512 cm). There were no significant differences in BW and LWI among haplotypes in the BBR02 population (p>0.05). These results suggested that the mitochondrial haplotypes may affect the growth traits during early developmental stage of the Red-spotted grouper. The marker-assisted selection system for broodstock animals may be helpful in improving performance traits for aquaculture of the Red-spotted grouper.
대장 내시경적 천공의 보존적 치료 후 발생한 재발성 천공
김유석(Yoo-Seok Kim),김경종(Kyung-Jong Kim),민영돈(Young-Don Min),박찬국(Chan-Guk Park) 대한외과학회 2007 Annals of Surgical Treatment and Research(ASRT) Vol.72 No.2
Although the management of a colonic perforation after a colonoscopy is still controversial, conservative therapy is commonly used in those whose colonoscopy reveals a small perforation, those whose condition is relatively good, those who were diagnosed belatedly, or those who have not developed the symptoms of generalized peritonitis. We encountered a case of recurrent colonic perforation after successful conservative treatment for a colonoscopic perforation of the sigmoid colon in a 69-year-old female, who was treated with tube sigmoidostomy.