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바이오매스 합성가스를 이용한 엔진 발전 시스템의 경제성 평가
문지홍(Ji Hong Moon),이정우(Jeung Woo Lee),방병열(Byung Ryeul Bang),김세원(Se Won Kim),이은도(Uen Do Lee) 한국열환경공학회 2010 한국열환경공학회 학술대회지 Vol.2010 No.추계
Biomass, a carbon neutral fuel, is one of the fastest growing renewable energy sources. In this study, economic feasibility of small scale power generation system using syngas from biomass has been investigated. Effects of important variables such as capital investment, cost of waste wood, renewable energy certificate(REC), system marginal price(SMP) on the benefit of business have been analyzed. Internal rate of return(IRR) was predicted as 16.90%, which implicates the business is promising based on the assumptions such as SMP of 137 Won/kWh, capital cost of 4.7 billion won, and waste wood price of 30 thousand won. Major factors affecting the benefit of business are as follows; system marginal price, operational rate, capital investment, expenditure of waste wood, certified emission reduction.
근막 결손의 복원과 자궁천골인대 고정을 통한 전자궁적출술 후 질탈출의 성공적 교정
문화숙(Hwa Sook Moon),최진국(Jin Koo Choi),김경서(Kyung Seo Kim),박근식(Kyun Sik Park),황지영(Ji Young Hwang),문성은(Sung Eun Moon),한지원(Ji Won Han),김상국(Sang Gook Kim),김상갑(Sang Gap Kim) 대한산부인과학회 2002 Obstetrics & Gynecology Science Vol.45 No.7
목적 : 본 연구는 전자궁적출술 후 질탈출을 부위-특이적인 결함의 개념에 입각하여 치골경부 근막과 직장질 격막의 연결을 통한 골반내 근막의 복원과 자궁천골인대 고정술을 이용한 질탈출의 성공적인 수술적 교정의 방법과 결과를 보고하고자 한다. 연구 방법 : 1999년부터 2001년 8월까지 자궁적출술 후 질궁탈출 증상으로 문화병원 산부인과를 내원, 탈출된 질의 근막을 재건시킨 다음, 이를 자궁천골인대에 고정시킴으로써 질의 부위-특이적인 교정술을 받은 3명의 환자를 대상으로 하였다. 3명중 1명은 개복술을 하였고 2명은 내시경 수술을 하였다. 결과 : 환자의 연령 분포는 49-67세였으며, 수술시간은 평균 113분 (105-125)이었다. 세 환자 모두 수술 후 질의 상태가 해부학 및 기능적으로 정상이었으며, 9일째 특이사항 없이 퇴원하였다. 수술 후 HRT를 시행한 1명을 포함한 3명 모두 각각 24개월, 12개월, 7개월간의 추적 검사에서도 특이한 합병증이나 재발 없이 좋은 경과를 보였다. 결론 : 골반 근막 결손의 복원과 자궁천골인대 고정술은 전자궁적출술 후 질탈출의 교정에 매우 안전하고 효과적이며, 기능적인 방법으로 사료되며, 자궁천골인대를 질탈출 교정에 이용한 연구는 본 연구가 국내에서 처음이다. Objective : To report the method and efficacy of the site specific-defects repair in the endopelvic fascia and uterosacral ligament suspension for the correction of posthysterectomy vaginal vault prolapse. Methods : This study was performed in 3 patients with posthyterectomy vaginal vault prolapse who underwent the surgery for the reconstruction of endopelvic fascia and the correction of vault prolapsed vagina by using uterosacral ligament suspension at the department of Obstetrics and Gynecology in Moon-Hwa Hospital. Among them, 1 patient was treated by laparotomy, and 2 patients were treated by laparoscope. Results : The age of patients ranged from 49 to 67 years. The mean operation time was 111 minutes (105-120 minutes). The status of postoperative vagina was normal in all 3 patients, who were discharged 9 days after operation without symptoms. No complication or recurrence were found in them despite long-term follow-up for 24 months, 12 months, 7 months, respectively after operation. One patient has been treated with HRT therapy. Conclusion : The reconstruction of the defect of endopelvic fascia and uterosacral ligament fixation may be very safe, effective, and functional in the correction of vaginal vault prolapse. This study reports the treatment of vaginal vault prolapse using uterosacral ligament within Korea for the first time.
Effects of the Temporary Placement of a Self-Expandable Metallic Stent in Benign Pyloric Stenosis
( Won Jae Choi ),( Jong Jae Park ),( Jain Park ),( Eun Hye Lim ),( Moon Kyung Joo ),( Jae Won Yun ),( Hyejin Noh ),( Sung Ho Kim ),( Woo Seok Choi ),( Beom Jae Lee ),( Ji Hoon Kim ),( Jong Eun Yeon ) 대한소화기학회 2013 Gut and Liver Vol.7 No.4
Background/Aims: The use of self-expandable metallic stents (SEMS) is an established palliative treatment for malignant stenosis in the gastrointestinal tract; therefore, its application to benign stenosis is expected to be beneficial because of the more gradual and sustained dilatation in the stenotic portion. We aimed in this prospective observational study to evaluate the efficacy and safety of temporary SEMS placement in benign pyloric stenosis. Methods: Twenty-two patients with benign stenosis of the prepylorus, pylorus, and duodenal bulb were enrolled and underwent SEMS placement. We assessed symptom improvement, defined as an increase of at least 1 degree in the gastric-outlet-obstruction scoring system after stent insertion. Results: No major complications were observed during the procedures. After stent placement, early symptom improvement was achieved in 18 of 22 patients (81.8%). During the follow-up period (mean 10.2 months), the stents remained in place successfully for 6 to 8 weeks in seven patients (31.8%). Among the 15 patients (62.5%) with stent migration, seven (46.6%) showed continued symptomatic improvement without recurrence of obstructive symptoms. Conclusions: Despite the symptomatic improvement, temporary SEMS placement is premature as an effective therapeutic tool for benign pyloric stenosis unless a novel stent is developed to prevent migration. (Gut Liver 2013; 7:417-422)
( Ji Yeon Shin ),( Do Won Kim ),( Chun Wook Park ),( Seong Jun Seo ),( Young Lip Park ),( Jong Rok Lee ),( Moon Bum Kim ),( Kyu Han Kim ),( Young Suck Ro ),( Sang Hyun Cho ) 대한피부과학회 2014 Annals of Dermatology Vol.26 No.1
Background: Providing an educational program as part of a health care program for the management of atopic dermatitis (AD) patients has rapidly become popular. AD educational programs can be of benefit in measured outcomes for both dermatology specialists and patients. Objective: To determine the effects of programmed education delivered by dermatology specialists on the management and knowledge of AD, we assessed the effectiveness of patient/parental education at improving AD knowledge, and determined the usefulness of the education. Methods: The program consisted of five, 20-minutes sessions which were prepared, discussed, reviewed, and delivered by professors of dermatology. At the end of the program, AD knowledge was assessed using a standardized questionnaire. A total of 148 people were included. Fifty-eight patients/parents received the programmed education and the remaining 90 did not receive the programmed education. Results: The mean questionnaire scores from both groups were compared. Mean knowledge scores were significantly higher for those who received the education (p=0.00). We analyzed the knowledge score according to factors such as gender, education level, marital status, and occupation. The data indicated that education level influences the subjects` knowledge level of AD, but gender, occupation, and marital status do not. Conclusion: An educational program can be an effective tool to improve patient quality of life and treatment compliance by providing psychological support to the patients and their parents. (Ann Dermatol 26(1) 66∼72, 2014)
Overview of the Korean Longitudinal Study on Cognitive Aging and Dementia
Ji Won Han,Tae Hui Kim,Kyung Phil Kwak,Kayoung Kim,Bong Jo Kim,Shin Gyeom Kim,Jeong Lan Kim,Tae Hyun Kim,Seok Woo Moon,Jae Young Park,Joon Hyuk Park,Seonjeong Byun,Seung Wan Suh,Ji Young Seo,Yoonseop 대한신경정신의학회 2018 PSYCHIATRY INVESTIGATION Vol.15 No.8
Objective_Due to an unprecedented rate of population aging, South Korea is facing a dementia epidemic. For this reason, the Korean Longitudinal Study on Cognitive Aging and Dementia (KLOSCAD) was launched in 2009 with support from the Korean Health Industry Development Institute to investigate the epidemiology, biopsychosocial risk factors, and outcomes of dementia and dementia-related conditions. Methods_The KLOSCAD is the first nationwide multi-center population-based prospective cohort study. In October 2010, 12,694 individuals were randomly sampled from residents aged 60 years or older who lived in 13 districts across South Korea. In the baseline assessment, which was conducted from November 2010 through October 2012, 6,818 (53.7%) individuals participated. Follow-up assessments have been conducted every two years, with the first follow-up assessment conducted between November 2012 and October 2014, and the second between November 2014 and October 2016. The third is now in progress, and will span from November 2016 to October 2018. Diagnosis of cognitive disorders, neuropsychological battery, behavioral and psychological symptoms of dementia, activities of daily living, physical and neurologic examination and laboratory tests, life styles, quality of life, and identification of death were evaluated in each assessment. Results_The cumulative drop-out rate at the second follow-up assessment was 38.7%. Dementia and mild cognitive impairment were 5.0% and 27.0%, respectively. Conclusion_The KLOSCAD may provide strong scientific evidence for advancing the fight against dementia both in Korea and globally.