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국내·외 누설률에 관한 기준 분석을 통한 국내 연기제어 기준 개선에 관한 연구
김혜원 ( Kim Hye-won ),한지우 ( Han Ji-woo ),이병흔 ( Lee Byeong-heun ),진승현 ( Jin Seung-hyeon ),권영진 ( Kwon Young-jin ) 한국건축시공학회 2018 한국건축시공학회 학술발표대회 논문집 Vol.18 No.2
On this Study, it conducts the Standards investigation about air leakage of Buildings for performance improvement of Smoke control in Fire. In domestic standards, it is incomplete the Criteria standards of air leakage. Therefore it is considered that won’t limit the smoke spread due to stack effect. But in the case of the United States, it conducts the Hot smoke air-Leakage test and it consider that can prevent the Smoke Spread in Compartment.
Hye Sook Han,Jieun Yun,Sang-Bae Han,Hong Jun Kim,Se-il Go,Won Sup Lee,Woo Kyun Bae,Sang-Hee Cho,Eun-Kee Song,Ok-Jun Lee,양예원,Yaewon Yang,Jihyun Kwon,Hee Bok Chae,한혜숙,김희경,이기형 대한위암학회 2019 Journal of gastric cancer Vol.19 No.3
Purpose: Peritoneal carcinomatosis in gastric cancer (GC) patients results in extremelypoor prognosis. Malignant ascites samples are the most appropriate biological material touse to evaluate biomarkers for peritoneal carcinomatosis. This study identified exosomalMicroRNAs (miRNAs) differently expressed between benign liver cirrhosis-associated ascites(LC-ascites) and malignant gastric cancer-associated ascites (GC-ascites), and validated theirrole as diagnostic biomarkers for GC-ascites. Materials and Methods: Total RNA was extracted from exosomes isolated from 165 ascitessamples (73 LC-ascites and 92 GC-ascites). Initially, microarrays were used to screen theexpression levels of 2,006 miRNAs in the discovery cohort (n=22). Subsequently, quantitativereverse transcriptase-polymerase chain reaction (qRT-PCR) analyses were performed tovalidate the expression levels of selected exosomal miRNAs in the training (n=70) andvalidation (n=73) cohorts. Furthermore, carcinoembryonic antigen (CEA) levels weredetermined in ascites samples. Results: The miR-574-3p, miR-181b-5p, miR-4481, and miR-181d were significantlydownregulated in the GC-ascites samples compared to the LC-ascites samples, and miR-181b-5p showed the best diagnostic performance for GC-ascites (area under the curve[AUC]=0.798 and 0.846 for the training and validation cohorts, respectively). The diagnosticperformance of CEA for GC-ascites was improved by the combined analysis of miR-181b-5pand CEA (AUC=0.981 and 0.946 for the training and validation cohorts, respectively). Conclusions: We identified exosomal miRNAs capable of distinguishing between non-malignant and GC-ascites, showing that the combined use of miR-181b-5p and CEA couldimprove diagnosis.
( Hye Kyung Song ),( Ki Nam Shim ),( Hye Won Yun ),( Chung Hyun Tae ),( Chang Mo Moon ),( Seong Eun Kim ),( Hye Kyung Jung ),( Tae Hun Kim ),( Sung Ae Jung ),( Kwon Yoo ),( Il Hwan Moon ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Background: Caustic ingestion can cause severe injury to upper gastrointestinal track. There were a few studies about clinical characteristics and treatments of caustic injury in Korea. We investigated the changes of caustic injury over 20 years in clinical characteristics including the pattern of endoscopic mucosal injury and the modality of treatments. Methods: This study was a retrospective review of medical records from patients with caustic injury from September 1993 through December 2012. Patients with caustic injury who visited hospital from 1993 to 2002 were classifi ed as early period group and patients with caustic injury who visited from 2003 to 2012 were classifi ed as late period group. Results: A total 140 patients (mean age 44±17 yrs, male 41.7%) were included [early period group (n= 50) vs. late period group (n= 90)]. Annual incidence of caustic ingestion did not decrease (range 2-20) over 20 years. Ingestion of alkali agents increased (10% vs. 57%, p<0.0001) and more than grade 2B of mucosal injury decreased (47.8% vs. 27.3%, p=0.0015) in late period group. There was no difference between two groups in sex, age, proportion of accidental ingestion, systemic and GI complication. Use of gastric lavage, NPO and broad spectrum antibiotics decreased in late period group (p<0.01). However, there was no difference in use of steroid between two groups (p=0.172). Conclusions: There was no decreasing trend in caustic ingestion and ingestion of alkali agents increased over the past 20 years. The tighter legislation on caustic agents is required and we need to be alert to the best management of caustic injury.
Prevalence and Predictive Factors of Fecal Incontinence
( Hye Won Kang ),( Hye Kyung Jung ),( Kyoung Joo Kwon ),( Eun Mi Song ),( Ju Young Choi ),( Seong Eun Kim ),( Ki Nam Shim ),( Sung Ae Jung ) 대한소화기기능성질환·운동학회 (구 대한소화관운동학회) 2012 Journal of Neurogastroenterology and Motility (JNM Vol.18 No.1
Background/Aims Most previous epidemiologic studies about fecal incontinence were performed in specific populations in Korea. We aimed to estimate the prevalence and predictive factors of fecal incontinence in adult Korean population, both men and women aged 20 years and over. Methods Subjects who had undergone medical check-up for health screening were enrolled. They completed the structured questionnaires, including demographics, gastrointestinal symptoms, medical and social histories, and also about their bowel habits. Logistic regression models were constructed to identify the predictive factors for having fecal incontinence. Results Among the total of 1,149 subjects (mean age, 44.8 ± 10.2 years; 648 males), the overall prevalence of fecal incontinence was 6.4%, while the older group (> 50 years old) showed the higher prevalence than the younger group (≤ 50 years old) (10.4% vs 4.9%, P = 0.001) without gender difference. Most patients had mild fecal incontinence in 78.4%. By multivariate analysis, old ages (Odd ratio [OR], 3.1; 95% confidence interval [CI], 1.9-5.2; P < 0.001), watery stool (OR, 2.8; 95% CI, 1.5-4.9; P = 0.001) and functional diarrhea (OR, 2.7; 95% CI, 1.4-5.4; P = 0.004) were found to be independent predictors for fecal incontinence. Conclusions The prevalence of fecal incontinence in Korean adults was 6.4%, and it was significantly more prevalent in older people without any gender difference. Aging and diarrhea were independent predictive factors of fecal incontinence. Therefore, proper control of the bowel pattern would lead to the prevention of fecal incontinence. (J Neurogastroenterol Motil 2012;18:86-93)