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제조 조건에 따른 MiDF 시멘트 복합체의 물리적 특성
박준형 ( Park June Hyoung ),라정민 ( La Jung Min ),김진만 ( Kim Jin Man ) 한국건축시공학회 2021 한국건축시공학회 학술발표대회 논문집 Vol.21 No.1
The MiDF Cement Composite is a high-performance construction material with low defects that dehydrates surplus water through pressurization and minimizes air gap between particles. In other words, the performance expression of the MiDF cement complex is affected by pressurized conditions. Thus, this study analyzed the physical characteristics of MiDF cement complex according to the power and pressure of the ga-power and the time of application and intends to use it as a basic data for optimal mixing.
박준형(June Hyung Park),장해인(Hae In Jang),조형민(Hyoung Min Cho),김은영(Eun Young Kim),김경심(Kyoung Sim Kim),김용욱(Yong Wook Kim),김 령(Young Kim) 조선대학교 의학연구원 2021 The Medical Journal of Chosun University Vol.46 No.2
Background: The sentinel polyp (SP) is a term used to refer to inflammatory polyps that are commonly associated with gastroesophageal reflux resulting in esophagitis. However, not only clinical progress, but also relationship of clinical characteristics with clinical outcomes are not well established in children and adolescents. Study Objectives: This study aimed to evaluate the relationship between clinical progress and individual characteristics and the prognosis of SP. Methods: During 8 years from March 2013 through April 2021, 125 patients with symptoms of chronic gastritis or gastroesophageal reflux disease were evaluated and followed with upper gastrointestinal endoscopy and biopsy at least twice. The clinical and laboratory records, macroscopic and microscopic findings of endoscopy were reviewed retrospectively. Results:Eleven cases of SP were identified. Proton pump inhibitors and antacids were prescribed for six months each in 8 cases of SP, and endoscopic follow up was performed after a year in 8 cases. The resolution of SP was detected in 5 (62.5%) cases (improved group). 3 out of 5 cases had a well-controlled diet in the improved group, and 2 out of 3 in the not improved group. Odds ratio was 0.75, and the P-value was 0.85. Conclusions: After 1 year of PPI and antacids medication, SP showed improvement in more than half of the cases (5 out of 8, 62.5%). The association of SP improvement and diet control appeared to be low. A further research is needed on a larger scale.