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김정일,김병권,김정원,채창호,이철호,강동묵,김지홍,김진하,김영욱,이영하,이지호,김정호,윤형렬,유철인,정백근,장태원,김운규,윤동영,강진욱,김종은,안진홍,이동준,장준호,이광영,송혜란,최영희,이용환,조병만,최홍렬,고상백,김은아,이유진,홍영습,정갑열,김정만,김준연 大韓産業醫學會 2004 대한직업환경의학회지 Vol.16 No.1
Objective: Occupational medicine specialists in the Busan, Ulsan and Kyung-Nam areas established an area-based occupational disease surveillance system and used this system to collected case information for the purpose of preventing occupational diseases Methods: l l hospital participated in this system. The authors selected five main diseases, which were hand-arm vibration syndrome (HAVS), work-related musculoskeletal disorder (WRMSD), occupational asthma, occupational skin disease and occupational and occupational lung cancer and established their case definitions. All cases were reported on the web, and real time analysis was conducted. Results: Between April 2001 and April 2003, 192 cases of HAVS, 118 cases of WRMSD, 33 cases of occupational asthma, 17 cases of occupational skin disease and 17 cases of occupational lung cancer (for a total of 377 cases of these five main diseases) were reported. most of the HAVS cases came from shipbuilding, and 172 of them (92.7%) were associated with grinding. Of the four main types of WRMSD, carpal tunnel syndrome (CTS) was the most prevalent with 46 cases and shipbuilding was also the main industry involved (83.9%). The ergonomic risk factors involved mainly associated with the hand. In 19 (57.6%) and 4 (12.1%) cases of occupational asthma, the agents involved. The causative agents of occupational lung cancer included Cr, welding fume, PAH, Ni, etc. 10(58.8%) of the cases were diagnosed as squamous cell carcinoma and 5(29.4%) as adenoma. Conclusion: This result showed that an area-based occupational disease surveillance system might provide an effective method of evaluating the prevalence of such diseases, however the Busan, Ulsan and Kyung-Nam provinces are too large to be treated as individual areas. Therefore, the authors suggest that each province should establish its own surveillance system.
정은욱,지삼룡,이영태,박지훈,김동기,제인수,채두근,박성재,박은택,이연재,이상혁,설상영,정정명 白中央醫療院 2005 仁濟醫學 Vol.26 No.1
Afferent loop syndrome is an uncommon complication of a gastrectomy and Billroth Ⅱ reconstruction. It may cause symtoms at any time from the first postoperative day to many years after the gastrectomy. Afferent loop syndrome is characterized by abdominal pain, vomiting and elevation of serum amylase. Thus, it is difficult to differentiate afferent loop syndrome from other cause of acute pancreatitis. However, the history of gastrectomy can be an important clue for diagnosing afferent loop syndrome. We experienced one case of chronic afferent loop syndrome with acute pancreatitis. After appropriate management, the abdominal pain disappeared and serum amylase level decreased. We report this case with a review of relevant literatures.
지효근,정호제,김정현 경성대학교 공학기술연구소 2012 공학기술연구지 Vol.18 No.-
This paper presents the detection and diagnosis of air-conditioner electromagnetic sound through noise measurements. Electromagnetic sound originating from the motor is an unpleasant source of unwanted noise that should be detected at the manufacturing stage. A detection system using sound measurements was built and a detection algorithm based on FFT analysis is presented. Soun measurements are preferable over direct vibration measurement because it is non-contact and low cost. Experimental results show that our sound measurement system can detect electromagnetic sound effectively compared to using vibration measurements.
2개의 분리판 사이에서 분사되는 평행 3중 분류에 의한 비정상 난류 유동장 해석
유근종,최훈기,정지훈 國立 昌原大學校 產業技術硏究院 2004 産技硏論文集 Vol.18 No.-
LES is applied to analyze unsteady turbulent triple-jet water flows which are commonly found in thermal stripping phenomena. Current analyses performed to find effect of different SGS models on flow field with partition plates. LES tends to predict higher level of RMS temperatures compared to those of experiment indicating very active mixing effect among triple jets. The LES is found to be able to provide reliable frequency information of temperature fluctuation. The different SGS models show no significant difference in prediction ability, while Smagorinky-Lilly model yields slightly stronger mixing activity.
박용범,한지수,정동근,이인식,김암,민원기,지현숙,목정은 울산대학교 의과대학 1993 울산의대학술지 Vol.2 No.1
The purpose of this retrospective study was to define platelet indices in severe preeclampsia(N=98) and to compare them to normal nonpregnant values(N=93) during the years 1990-1993 in the Department of Obstetrics and Gynecology, College of medicine, University of Ulsan, Asan Medical Center. Indices evaluated included platelet count, mean platelet volume, and platelet distribution width. Means platelet volume was statistically different between two groups, however mean platelet count was significantly decreased(p=0.029) and platelet distribution width was significantly increased(p=0.0001) and platelet distribution width was significantly increased(p=0.0001) in severe preeclampria. Mean platelet volume versus platelet count in normal pregnancy showed a significant inverse nonlinear relationship(r=-0.39, 9<0.001) and that in preeclampsia was congruent with notmal nonpregnant valus. With same mean platelet volume, platelet distribution width showed tendency to shift to right in severe preeclampsia. These findings support the concept of severe preeclampsia as a compensated state of increased platelet comsumption comparing with normal pregnancy. We concluded from above results that quantification of platelet indices may have some value in screening for and following severe preeclampsia.
서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1997)
김재홍,문득곤,김정수,김용준,임동진,박상훈,김희성,이민수,송기훈,김갑형,김형석,성소영,이인섭,김석우,황지환,조창근,김경문,부태성 대한화학요법학회 2000 대한화학요법학회지 Vol.18 No.3
Background : In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. Objective & Methods : For the detection of a more effective therapeutic regimen and assessing the prevalence of PPNG, we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results : In 1997. 99 strains of N. gonorrhoeae were isolated, among which 45(45.5%) were PPNG. Conclusion : The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 45.5% in 1997.
서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1996)
김재홍,황동규,전재홍,김윤석,김중환,김용준,이창균,임동진,김현수,조창근,김경문,박상훈,전우형,김희성,이호정,차명수,김갑형,김형석,김석우,황지환,박병순,권오상,이민수,송기훈,성소영,이인섭,부태성 대한화학요법학회 1999 대한화학요법학회지 Vol.17 No.2
Background : In recent years, gonorrhea has been panedemic and remains one of the most commom STDs in the world, especially in developing countries. Objective & Methods: For the detection of a more effective therapeutic regimen and assessing the prevalence of PPNG, we have been trying to study the patients who have visited the VD Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results: In 1996, 139 strains of N. gonorrhoeae were isolated, among which 53(39.0%) were PPNG. Conclusion: Our results suggests that after a peak of 74.3% in 1993, the prevalence of PPNG in Seoul is gradually declining.
A case of isolated leptomeningeal carcinomatosis from advanced gastric cancer
( Jung Geun Ji ),( Seung Kyu Choi ),( Seung Woo Nam ),( Joo Won Chung ) 대한내과학회 2015 대한내과학회 추계학술대회 Vol.2015 No.1
Background: Leptomeningeal carcinomatosis (LMC) is rare metastatic form in gastric cancer. Its incidence is only 0.16%, and most cases were observed in final stage of gastric cancer after multiple distant metastasis. We report a rare case of LMC from advanced gastric cancer with no evidence of intra-abdominal metastases. Case: On January 2015, an 84-year-old woman with history of diabetes and hypertension was admitted with 3-day history of dizziness, vomiting and melena. She appeared acutely ill, but was alert and oriented. The evaluation of gastrointestinal bleeding with EGD showed a huge ulceroinfiltrating lesion at posterior wall of upper body (Borrmann class III). The biopsy revealed a signet ring cell carcinoma. The Abdominal-Pelvic CT showed no regional/distant lymph node enlargement and other organ involvement. Second day of hospitalization, a sudden decrease of consciousness was noted, but brain CT showed no active lesion. Detecting meningeal irritation sign on physical examination, a lumbar puncture was performed and identified abnormal leukocytosis (15/il, neutrophil percentage of 52%) in CSF. Brain MRI revealed a global linear enhancement of leptomeninges and a focal enhancing nodule in right infratentorium. With suspicion of infectious meningitis, we started on empirical antibiotics and anti-tuberculous drug. Nevertheless, clinical improvement was not observed even after 4 days of treatment but she became in a semicoma status. An additional CSF study revealed malignant neoplastic cell, and she was diagnosed with metastatic leptomeningeal carcinomatosis ofgastric cancer and we stopped drugs for infectious meningitis. On the fifteenth day of hospitalization, respiratory failure occurred and she admitted to the ICU for ventilator care. Under the consent of the family, no further evaluation and anti-cancer treatment were administered and her condition worsened. Eventually, she died on the six weeks after the diagnosis of gastric cancer. Conclusions: We report an extremely rare case of a patient who was initially presented with neurological symptoms and signs, and diagnosed LMC from advanced gastric cancer without any evidence of lymph node or solid organ metastasis in abdomen.