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PLA/PGA 차폐막과 실크 피브로인 차폐막을 이용한 발치와의 골유도재생술의 비교연구
황우진,정성념,김윤상,피성희,유형근,정종평,신형식,Hwang, Woo-Jin,Jeong, Seong-Nyum,Kim, Yun-Sang,Pi, Sung-Hee,You, Hyung-Keun,Chung, Chong-Pyoung,Shin, Hyung-Shik 대한치주과학회 2009 Journal of Periodontal & Implant Science Vol.39 No.2
Purpose: This study was designed to compare the bond regeneratiom effects of treatment using silk fibroin membrane ( Nanogide-S$^{(R)}$ ) resorbable barrier with control group treated by polyactic acid / polylacticglycolic acid membrane(Biomesh$^{(R)}$ ) Methods: 44 severe bone loss on extraction socket from 44 patients were used in this study. In experimental group 22 sites of them were treated by silk fibrin membrane as and the other 22 sites were treated by polyactic acid/ polylacticglycolic acid membrane as a control group. Clinical parameters including recovered bone width, length and radiographic parameter of vertical length were evlauated at base line and 3 months after surgery. Results: 1) Severe bone width, length was significantlly decreased in two group. 2) Bone width, length was significantlly decreased in two group. 3) Decreased bone width, length and radiographic examination differences between group. Conclusions: On the basis of these results, silk fibrin resorbable membrane has similar bone regeneration ability to polyactic acid / polylacticglycolic acid membrane in guided bone regeneration for severe bone loss defect on extraction socket.
소아청소년 결핵 접촉자 검진 및 잠복결핵감염의 치료 현황: 2014–2017 단일 기관 연구
황우진,이고운,김소현,조은영 대한소아감염학회 2019 Pediatric Infection and Vaccine Vol.26 No.1
Purpose: In order to prevent tuberculosis transmission early, it is important to diagnose and treat tuberculosis infection by investigating people who have contact with patients with active tuberculosis. Methods: From July 2014 to June 2017, the intrafamilial childhood contacts of the patients who were diagnosed with active tuberculosis at Chungnam National University Hospital were investigated for the presence of tuberculosis infection. We also retrospectively analyzed the treatment status of children treated with latent tuberculosis infection (LTBI) during the same period. Results: Among the 269 children who had intrafamilial contact with active tuberculosis patient, 20 (7.4%) did not receive any screening. At the first screening, one (0.4%) was diagnosed with pulmonary tuberculosis, seven (2.8%) had a previous history of tuberculosis infection, and 42 patients (16.9%) were diagnosed with LTBI. At the second screening, 29 patients (11.6%) were diagnosed with LTBI, and 61 patients did not finish the investigation. Only 188 (69.9%) out of 269 patients completed the investigation. Ninety patients received treatment for LTBI and 83 patients (92.2%) completed the treatment, of which 18 patients had side effects such as rash, fatigue, and gastrointestinal symptoms. However, there were no serious side effects requiring treatment discontinuation. Conclusions: The completion rate of childhood tuberculosis contact investigation was low, but the completion rate of LTBI treatment was high in children without serious side effects. In order to prevent and manage the spread of tuberculosis, active private-public partnership efforts and education of the patient and guardian are needed. 목적: 결핵 전파를 조기에 차단하기 위해서는, 활동성 결핵 환자와 접촉한 사람들을 조사하여 결핵 질환 및 잠복결핵감염을 진단하고 치료하는 것이 매우 중요하며, 국내에서는 민간-공공협력 결핵관리사업을 통해 적극적인 접촉자 조사 활동을 지원하고 있다. 본 연구에서는 최근 3년간 단일기관에서 이루어진 소아청소년 연령에서의 접촉자 검진과 소아 잠복결핵감염 치료 현황에 대해 조사하였다. 방법: 2014년 7월 1일부터 2017년 6월 30일까지 충남대학교병원에서 활동성 결핵 환자로 진단받은 환자들을 대상으로 가족 내 소아청소년 접촉자에 대한 검진을 시행하여 접촉자 검진 완료율 및 결과를 분석하였고, 이와 함께 동일 기간 동안 잠복결핵감염으로 치료 받은 소아청소년 환자들의 치료 현황을 후향적으로 검토하였다. 결과: 연구 기간 동안 본 기관에서 활동성 결핵 환자는 총 1,002명 진단되었고, 그 중 소아청소년 가족접촉자가 있는 환자는 171명이었다. 소아청소년 접촉자 269명 중 20명(7.4%)은 검진을 전혀 받지 않았다. 1차 검진을 받은 249명 중 폐결핵이 1명 (0.4%) 진단되었고, 7명(2.8%)은 과거의 결핵 감염 병력이 있었으며, 42명(16.9%)이 잠복결핵감염으로 진단되었다. 2차 검진 시 29명(11.6%)이 추가로 잠복결핵감염으로 진단되었으며, 2차 검진까지 필요하였으나 검진을 완료하지 않은 사람이 61명으로 총 접촉자 269명 중 188명(69.9%)만이 필요한 검진을 완료하였다. 잠복결핵감염으로 치료받은 소아청소년 환자는 90명이었으며 83명(92.2%)이 치료를 완료하였고, 이 중 18명이 발진(8명), 피로(5명), 위장장애(5명) 등의 부작용을 호소하였으나 치료 중단이 필요한 심각한 부작용은 없었다. 결론: 민간-공공협력 결핵관리사업 도입 및 보편화 후에도 소아청소년 연령에서의 결핵 접촉자 검진 완료율은 낮았으며, 잠복결핵감염으로 진단받은 소아의 항결핵제 치료 시 심각한 부작용의 발생 없이 투약 완료율이 높게 나타났다. 향후 결핵 전파의 예방 및 관리를 위해 더욱 적극적인 민관 협동 노력 및 환자, 보호자 교육이 필요하겠다.
황우진,이윤진,이은지,이지원,길홍량,유재현,정은희 대한소아감염학회 2019 Pediatric Infection and Vaccine Vol.26 No.1
Mycoplasma pneumoniae (MP) is the most common causative agent of community-acquired pneumonia in school-aged children. An 8-year-old boy who had been diagnosed with autism looked severely ill when he presented to our hospital due to dyspnea and lethargy. He had fever and cough 7 days prior to hospitalization. He had signs and symptoms of severe respiratory distress. The percutaneous oxygen saturation was 88% at high oxygen supply. Chest radiography showed diffusely increased opacity with moderate pleural effusion. He was intubated immediately and admitted to the intensive care unit. Under the clinical impression of mycoplasmal pneumonia, intravenous clarithromycin was started. Laboratory findings showed leukocytosis, hepatitis, decreased renal function, and presence of serum MP immunoglobulin (Ig) M (+) IgG (+) and sputum MP polymerase chain reaction (+). On hospital day 2, the patient developed multiple organ failure with acute respiratory distress syndrome (ARDS). Veno-venous extracorporeal membrane oxygenation (ECMO) was performed with continuous renal replacement therapy (CRRT) and was weaned successfully. This is the first reported case of an ARDS due to MP infection complicated by multiple organ failure that was successfully treated with ECMO and CRRT in South Korea.
강제 환기에 의한 하절기 복토(覆土) 저장고 결로 방지 대책
황우진(Hwang Woo-Jin),전현석(Jeon Hyun-Seok),윤성도(Yoon Sung-Do),박선효(Park Sun-Hyo),손장열(Sohn Jang-Yeul) 한국건축친환경설비학회 2007 한국건축친환경설비학회 학술발표대회 논문집 Vol.- No.-
In case of earth-covered storage, the condensation occurs on surface of wall and stores in a hot season with high humidity because of low temperature of constructional mass. Therefore, the preventive plans should be considered to protect stores from the damage by corrosion in earth-covered storages. The study was performed at the Magazine of igloo type which is similar to earth-covered storages. A fan was installed at the air outlet for exhaust gas to conduct forced ventilation. The surface and indoor temperature were measured, and then the influence of those on condensation was analyzed. The results of this research are follows; 1) Forced ventilation by a fan affects the rise in surface temperature of walls and stores. 2) The condensation on surface of walls and stores was reduced after operating a fan.
황우진(Hwang Woo-Jin),신재규(Shin Jae-Kyu),최원기(Choi Won-Ki) 대한건축학회 2011 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.31 No.2(계획계)
This study was performed to analyze the influence of solar transmittance of windows according to incident angle on building energy. The results of this study are follows; 1) Inside sloping window demands lower energy during the cooling season. Conversely, outside sloping window demands lower energy during the heating season. 2) Heating energy is fluctuated within the range of -8∼23 % on slope angle during the heating season, and cooling energy is fluctuated within the rage of -6∼16 % on slop angle during the cooling season. 3) The south zone is first and west, east and north in the order of zone transmitted solar. 4) The annual secondary energy is minimum when the angel of wall slope is 10 degree.