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테논낭하 트리암시놀론 주입술 후 발생한 난치성 녹내장에서 침적물의 조직병리학적 소견
전혜신,박원영,이지웅,이지은,엄부섭,Hye Shin Jeon,MD,Won Young Park,MD,Ji Woong Lee,MD,PhD,Ji Eun Lee,MD,PhD,Boo Sup Oum,MD,PhD 대한안과학회 2012 대한안과학회지 Vol.53 No.5
Purpose: To report the removal of subtenon triamcinolone precipitates in patients with refractory steroid-induced glaucoma following subtenon triamcinolone injection. Case summary: A 72-year-old male patient with diabetic retinopathy had cystoid macular edema in the right eye. The patient received a posterior subtenon injection of triamcinolone acetonide and developed intractable glaucoma one month after the injection in the right eye. Corticosteroid-deposit was excised three month after the injection. The intraocular pressure decreased to normal within one month after surgery and remained normal for seven months after surgery. A 42-year-old man with bilateral chronic recurrent anterior uveitis received a posterior subtenon triamcinolone acetonide injection in both eyes. The patient developed refractory steroid-induced glaucoma one month after the injection in the right eye. Corticosteroid-deposit was excised six months after the injection in the right eye. The patient’s intraocular pressure decreased to normal within two weeks after surgery and remained normal. Light microscopy showed a fibrous capsule encapsulating an amorphous whitish material. The excised specimen with polarized light showed birefringence of triamcinolone crystals within an encapsulated cyst. Conclusions: Removal of subtenon triamcinolone acetonide precipitate may facilitate the management of patients developing increased intraocular pressure unresponsive to maximum tolerable medical therapy and should be considered before performing glaucoma filtration surgery. J Korean Ophthalmol Soc 2012;53(5):733-739
전혜지 ( Hye Ji Jeon ),현혜선 ( Hye Sun Hyun ),이미라 ( Mi Ra Lee ),최슬아 ( Sl A Choi ),김윤숙 ( Yun Sook Kim ),배동한 ( Dong Han Bae ),김휘준 ( Hui Jun Kim ) 대한산부인과학회 2011 Obstetrics & Gynecology Science Vol.54 No.10
Atypical hemolytic uremic syndrome (HUS) in adults is a life-threatening disorder characterized by microangiopathic hemolytic anemia, thrombocytopenia and acute renal failure, which is not related to Escherichia coli. This disease occurs under the condition of certain stresses, including pregnancy related disease like as preeclampsia, placental abruption, and amniotic fluid embolism. Heparin and plasma exchange has proven to be an effective treatment for HUS and it has decreased the mortality of this illness. We experienced a case of 34 weeks` pregnant woman with preeclampsia who presented with hematuria, oliguria, hemolytic anemia and thrombocytopenia. We performed emergency cesarean section due to fetal distress. After operation, she was treated with transfusion of packed red blood cell, parenteral albumin, and anticoagulant. After seven days from the operation, the sign of hematuria disappeared and her renal function partially recovered. We describe this case with a brief review of the literature.
다져진 보조기층 재료의 불포화 전단강도 및 항복하중 평가
전혜지(Jeon Hye-Ji),박성완(Park Seong-Wan) 대한토목학회 2011 대한토목학회논문집 D Vol.31 No.4D
일반적으로 도로구조물들은 포화상태라는 가정 하에 설계되고 있으나 실제 도로구조물의 재료인 입상지반재료는 대부분 불포화 상태에 존재하고 있다. 이러한 부분을 반영하기 위하여 본 논문에서는 다져진 입상지반재료를 대상으로 삼축압축시험과 함수특성곡선 시험 결과를 활용하여 다양한 조건에서의 불포화 전단강도를 추정하였다. 이를 바탕으로 비선형 모형을 활용한 2차원 유한요소해석을 실시하고 Mohr-Coulomb항복조건을 통하여 항복하중을 규명하였다. 또한, 입상재료의 항복하중에 대한 도로구조물 표층두께의 변화에 따른 영향을 확인하였다. 해석 결과 입상지반재료의 불포화토 이론을 고려하여 포장 혹은 비 포장 도로의 지지력을 예측할 수 있음을 보여주고 있다. In general, conventional road pavements are designed under the assumption that the shear strength of geomaterials are under saturated state. In reality, however, most of the pavement geomaterials exists under the unsaturated state. To deal with this gap between saturated and unsaturated conditions, in this paper, unsaturated shear strength was estimated using the results from the triaxial compression test and soil-water characteristics curves. Then, yield loads were assessed using 2-Dimensional finite element method with the selected nonlinear elastic model and the Mohr-Coulomb yield criteria. In addition, various unsaturated condition and surface layer effects on the yield load of granular materials were identified. Therefore, the results demonstrated would provide a possibility to estimate bearing capacity of paved or unpaved roads using unsaturated soil mechanics.
전혜리(Hye-Li Jeon),최수현(Su-Hyeon Choi),임지영(Ji-Young Im),박희진(Hee-Jin Park),홍은주(Eun-Ju Hong),손부순(Bu-Soon Son) 한국환경보건학회 2012 한국환경보건학회지 Vol.38 No.3
Objectives: The changes in atmospheric PM2.5 concentrations were extensively studied in one metropolitan city (Incheon), two small and medium sized cities (Gunsan, Cheonan), and a rural area (Gosan in Jeju). The concentrations of heavy metals (Cr, Mn, Fe, Ni, Cu, Zn, Al, Pb) and the component features of PM2.5 were determined for these areas. Methods: This study sampled PM2.5 at the designated locations in the metropolitan (Incheon), small and medium sized cities (Gunsan in Jeonbuk and Cheonan in Chungnam), and rural area (Gosan in Jeju) to investigate concentrations with a sampling device (Sequential sampler, APM Eng., Korea). Sampling was undertaken over months, from June 26 to November 26, 2009. Sampling was conducted a total of 44 times, with routine sampling at intervals of six days (24 total times) and intensive sampling (20 total times) during the summer and fall. Mass concentration of PM2.5 was evaluated and the concentrations of heavy metals (Cr, Mn, Fe, Ni, Cu, Zn, Al, Pb) were analyzed. Results: The geometric average of concentrations of PM2.5 per district was 35.289 μg/m3 for Cheonan, 29.955 μg/m3 for Incheon, 24.119 μg/m3 for Gunsan, and 18.773 μg/m3 for Jeju, respectively. The average concentration of PM2.5 in Cheonan was the highest. The seasonal concentration distributions per district showed Cheonan 33.387 μg/m3, Incheon at 31.550 μg/m3, Gunsan 22.900 μg/m3, and Jeju 18.900 μg/m3 in the summer. For the autumn, the concentrations were 36.873 μg/m3 in Cheonan, 28.625 μg/m3 in Incheon, 25.227 μg/m3 in Gunsan, and 18.667 μg/m3 in Jeju. According to the collected data, the concentration showed a tendency to rise during the autumn in all of these regions with the exception of Incheon. For heavy metal distribution per district, Fe showed an elevated concentration during the summer while high concentrations of Pb and Zn occurred during the autumn. Conclusion: These results demonstrated that atmospheric factors affected the concentrations of heavy metals. The results of this study could be used as foundational data for setting environmental air standards focusing on a PM2.5 receptor.
대기 중 PM<sub>2.5</sub>의 중금속 성분의 화학적 특성
전혜리,최수현,임지영,박희진,홍은주,손부순,Jeon, Hye-Li,Choi, Su-Hyeon,Im, Ji-Young,Park, Hee-Jin,Hong, Eun-Ju,Son, Bu-Soon 한국환경보건학회 2012 한국환경보건학회지 Vol.38 No.3
Objectives: The changes in atmospheric $PM_{2.5}$ concentrations were extensively studied in one metropolitan city (Incheon), two small and medium sized cities (Gunsan, Cheonan), and a rural area (Gosan in Jeju). The concentrations of heavy metals (Cr, Mn, Fe, Ni, Cu, Zn, Al, Pb) and the component features of $PM_{2.5}$ were determined for these areas. Methods: This study sampled $PM_{2.5}$ at the designated locations in the metropolitan (Incheon), small and medium sized cities (Gunsan in Jeonbuk and Cheonan in Chungnam), and rural area (Gosan in Jeju) to investigate concentrations with a sampling device (Sequential sampler, APM Eng., Korea). Sampling was undertaken over months, from June 26 to November 26, 2009. Sampling was conducted a total of 44 times, with routine sampling at intervals of six days (24 total times) and intensive sampling (20 total times) during the summer and fall. Mass concentration of $PM_{2.5}$ was evaluated and the concentrations of heavy metals (Cr, Mn, Fe, Ni, Cu, Zn, Al, Pb) were analyzed. Results: The geometric average of concentrations of $PM_{2.5}$ per district was $35.289{\mu}g/m^3$ for Cheonan, $29.955{\mu}g/m^3$ for Incheon, $24.119{\mu}g/m^3$ for Gunsan, and $18.773{\mu}g/m^3$ for Jeju, respectively. The average concentration of $PM_{2.5}$ in Cheonan was the highest. The seasonal concentration distributions per district showed Cheonan $33.387{\mu}g/m^3$, Incheon at $31.550{\mu}g/m^3$, Gunsan $22.900{\mu}g/m^3$, and Jeju $18.900{\mu}g/m^3$ in the summer. For the autumn, the concentrations were $36.873{\mu}g/m^3$ in Cheonan, $28.625{\mu}g/m^3$ in Incheon, $25.227{\mu}g/m^3$ in Gunsan, and $18.667{\mu}g/m^3$ in Jeju. According to the collected data, the concentration showed a tendency to rise during the autumn in all of these regions with the exception of Incheon. For heavy metal distribution per district, Fe showed an elevated concentration during the summer while high concentrations of Pb and Zn occurred during the autumn. Conclusion: These results demonstrated that atmospheric factors affected the concentrations of heavy metals. The results of this study could be used as foundational data for setting environmental air standards focusing on a $PM_{2.5}$ receptor.
지동하,전혜리,최수현,손부순,최미숙,Ji, Dong-Ha,Jeon, Hye-Ri,Choi, Soo-Hyun,Son, Bu-Soon,Choi, Mi-Suk 한국환경보건학회 2010 한국환경보건학회지 Vol.36 No.5
A number of recent studies have shown that occupational stress is closely associated with increased fatigue and decreased job satisfaction. This study was designed to assess stress in workers in the field of EIA (environment impact assessment) from July 2009 through september 2009, and questionnaires were uesd to analyze the stress scores and identify the primary factors influencing stress in this occupation. The number of respondents was 272 working in the Capital (Seoul and Kyunggido), Chungcheongdo, Jejudo area. A structured questionnaire was used to evaluate the participants' socio-demographics, job-related factors, health-related behaviors, occupational stress, reaction factor (self-perceived fatigue, job satisfaction) and buffer factor (social support). Occupational stress and self-perceived fatigue were assessed using the Korean Occupational Stress Scale-Short Form (KOSS-SF) and the Multidimensional Fatigue Scale (MFS), respectively. The analysis revealed a strong correlation between occupational stress, job satisfaction, and social support, with occupational stress being associated with an increased risk of fatigue and decreased job satisfaction. In the multiple regression analysis(stepwise), the main factors influencing occupational stress were found to be job satisfaction, supervisor, fatigue, working time, no. of personnel, career. The results of this study suggest that occupational stress is a determinant predictor of self perceived fatigue and job satisfaction. Thus, a strong recommendation is made for a stress management program for reduction of occupational stress, and for the development of relevant experts on the health and quality of life of environment impact assessment workers.
문가을 ( Ga Ui Mun ),전혜지 ( Hye Ji Jeon ),조은규 ( Eun Kyu Cho ),김윤숙 ( Yun Sook Kim ),배동한 ( Dong Han Bae ),이석열 ( Seok Yul Lee ),조현득 ( Hyun Deuk Cho ) 대한산부인과학회 2012 Obstetrics & Gynecology Science Vol.55 No.7
Endometriosis is a relatively common gynecologic disease. Thoracic endometriosis syndrome occupies half of various types of external endometriosis, however it is very rare condition, We experienced a case of 40-year-old woman who presented with recurrent episodes of spontaneous right-sided pneumothorax that occurred during her menstrual periods. After the localization of the disease site by means of chest radiography and high resolution computed tomography of the thorax, thoracoscopic assisted diaphragm endometriosis resection and suture were performed. After pathologic diagnosis, a hormonal treatment with gonadotropin-releasing hormone agonist was also conducted. We report this case with a brief review of the concerned literatures.