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- 저자 : 조용균 ( Young Gyun Jo ) (검색결과 3 건)
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이훈구(Lee Hoon-Goo),최권희(Choi Kwon-Hee),조용균(Jo Yong-Gyun),이영호(Lee Young-Ho),황현철(Hwang Hyeon-Chyeol) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.4
It is a proven fact with the opening of the Seoul metro line number 1 in 1974 traffic congestion on the roads has decreased and the efficiency of people transportation in general has greatly been enhanced in the downtown and surrounding areas of Seoul. Even today construction of new subway lines are under way and many more are being planned due to the easy access to stations, short waiting and average traval times, compared with personal vehicles, contributing to the efficiency of the public transportation systems that are linking the downtown areas and also the intercity systems in moving passengers during rush hour and times of special event. Since the labour costs of the train operator in any large city based subway system accounts for a major part of the operating costs per kilometer and to ensure cost efficient operations, especially during non-peak hours, it is necessary to implement an unmanned(auto-driven) subway system. In order to implement such a system it is imperative that the on-board and wayside signalling control systems be fully automated as well. Only through proper examination of safety procedures not only by the AUGT(Automated Urban Guided Transport)system but also by all the international standards organizations involved can safely and stability be ensured.
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최태윤 ( Tae Youn Choi ),김종원 ( Jong Won Kim ),민원기 ( Won Ki Min ),송운흥 ( Wung Heung Song ),윤혜란 ( Hye Ran Yoon ),이근 ( Keun Lee ),이동환 ( Dong Hwan Lee ),이홍균 ( Hong Kyun Lee ),조용균 ( Young Gyun Jo ) 한국모자보건학회 2003 한국모자보건학회지 Vol.7 No.1
2001년도에 선천성대사이상검사를 받은 신생아는 전 신생아의 68.6%인 382,338명이었고, 대한가족보건복지협회에 송부된 선천성대사이 상검사용 채혈’갑’지는 324,913건으로 종 검사건수의 85.0%였다. 전국 시 · 도별로 약 10% 표본추출법에 의해 선정한 채혈’갑’지 27,000건을 대상으로 분석한 결과 분석대상 신생아의 순위 구성은 첫째아 57.8%, 둘째아 35.2%, 셋째아 6.3%, 넷째아 0.6%, 다섯째아 이상 0.1%였다. 2001년도의 남아 출생성비는 113.7명이었다. 산모 연령별 출생구성비는 25~29세 연령층이 44.0%로 가장 높았고, 30~34세 연령층이 42.9%, 35~39세 연령층이 6.3%, 20~24세 연령층이 5.6%, 40-44세 연령층이 0.9%, 19세 미만이 0.2%, 45세 이상이 0.1%였다. 남녀별 평균 출생체중은 남아 3.29kg, 여아 3.21kg이었고, 전체의 평균체중은 3.25kg이었다. 출생아 수유양상은 모유 16.3%, 분유 61.5%, 모유와 분유 19.3%. 기타 2.9%였다. 출생아의 수유 불량상태는 양호 99.3%, 불량 0.7%였다. 선천성대사이상검사는 정부에서 무료로 실시하고 있는 2종목만을 받은 신생아가 70.0%였고, 6종목 모두를 실시한 신생아는 8.6%였다. 선천성대사이상증 유병률은 갑상선기능저하중이 70명 발견되어 5,461명당 1명이었고 페닐케톤뇨중이 9명 발견되어 42,482명당 1명이었으며, 전체적으로 79명의 환아가 발생되어 신생아 4,839명당 1명의 선천성대사이상증 환아가 있었다. 2001년도 선천성대사이상검사 외부정도관리에 참여한 기관은 1차 71기관, 2차 70기관, 3차 69기관, 4차 68기관이었다. 외부정도관리 분석 결과 불합격 기관수는 1차 0기관, 2차 3기관, 3차 3기관, 4차 3기관으로 매회 합격률은 95.8~100%였다. 71개 검사기관 중 매회 모두 합격한 기관은 66기관(93.0%)이였고, 한 번 불합격한 기관이 2기관, 두 번 불합격한 기관이 2기관, 세 번 불합격한 기관이 1기관이었다. 모든 신생아가 선천성대사질환에 대한 신생아 선별 검사를 받을 수 있도록 정부의 신생아 선별검사 프로그램의 확대 및 신속하고 정확한 검사를 위하여 검사기관의 축소와 함께 철저한 정도관리가 필요하다. Objective : The purpose of this study was to assess the quality of national screening program for inborn errors of metabolism in 2001. Methods : Neonatal screening test for inborn error of metabolism was performed for 382,338 newborns in 2001. Among them, 324,913 blood sample records for neonatal screening test were filed at Planned Parenthood Federation of Korea from February 2001 to January 2002. About 8% of the filed records (27,000 records) were proportionally sampled for 6 major metropolitan areas and 9 provinces. Data were abstracted from the blood sample records, various official records and quality control results. Results : Proportion of first, second, third and fourth or more birth order of the babies was 57.8%, 35.2%t 6.3% and 0.7%, respectively. The male : female birth ratio was 113.7 : 100. The maternal age distribution showed a high concentration in late 20s and early 30s; 44.0% in 25-29 years and 42.8% in 30-34 years age group. The mean birth weight was 3.25kg (male 3.29kgt female 3.21kg). Proportion of breast feeding was 16.3%, formula feeding 61.5%, both beast and formula feeding 19.3%, and other 2.9%. Seventy percent of newborns who had received neonatal screening test had only two items; TSH and phenylalane screening tests. About 9% of newborns had screenings for all six items. Among 382,338 newborns who were screened, 70 congenital hypothyroidisms and 9 phenylketonurias were detected, and these presented an incidence rate of congenital hypothyroidism 1/5,461 and that of phenylketonuria 1/42,482. The total incidence rate of inherited metabolic diseases was 1/4,839. Four trials of external quality assessment for tests of inborn error of metabolism were performed in 2001. Ten specimens for neonatal screening tests were distributed to 71 laboratories with 71 responses in the first trial, 70 responses in the second trial, 69 responses in the third trial and 68 responses in the fourth trial. The failed institutes were 0 in the first trial, 3 in the second trial, 3 in the third trial and 3 in the fourth trial. The pass rate were 95.8~ 100% in each trial. Sixty six of 71 institutes were passed all in four trials. Conclusion : National screening program should be expanded to include all items of screening tests for whole newborns under an appropriate quality control program.
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침윤성 자궁경부암 환자의 수술전 평가에 있어서 방광경 검사 및 전산화단층촬영의 임상적 의의에 관한 고찰
강영숙,박영준,최훈,한성식,이철민,이홍균,이제훈,김복린,박교훈,조용균 대한산부인과학회 2000 Obstetrics & Gynecology Science Vol.43 No.11
Objective : Cystoscopy has been included as diagnostic procedure for pretreatment evaluation of cervical cancer by FIGO. However, its invasiveness brings up a question regarding the necessity of inclusion in staging work up of cervical cancer. We performed this study to evaluate the clinical implication of cystoscopy in cervical cancer staging. Methods : 128 patients with invasive cervical cancer patients who were histologically diagnosed from Jan 1995 to Dec 1999 were retrospectively reviewed. Physical examination, computed tomography (CT), cystoscopy were performed in all patients. The distribution of FIGO stage was Ib 48.4%, II 35.2%, III 8.6%, and IV 7.8%. Bladder invasion was evaluated in CT and histopathologic examination was performed on cystoscopy when invasion was suspected. McNemar test was used to compare the finding in CT and cystoscopy for matched patients. P-value of 0.05 was regarded as statistically significant. Results : Among seven patients whose bladder was suspected to be invaded by cervical cancer in CT scan, three patients had actual bladder invasion confirmed by cystoscopy (positive predictive rate = 42.9%). CT was statistically comparable to cystoscopy (P = 0.375, McNemar test; contingency coefficient = 0.481). Conclusion : Cystoscopy, which is an invasive procedure, may not be necessary and might be substituted by CT scan for pretreatment evaluation in some subset of cervical cancer patients.
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