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姜信寓,閔丙卓,崔東柱 충북대학교 농업과학기술연구소 1987 農業科學硏究 Vol.5 No.1
In order to find out the regional differences of rural-urban migration pattern, this study was conducted to analyze the field survey data on 18 Ri-Dongs of Chungbuk province. The results are summarized as follows. Firstly, the proportions of infant and the aged to youths and manhood are relatively higher than the national mean of them. It says that the quality of rural labour power has been decreased. Secondly, in the rate of the population migration among regions, the exurbs are higher than the suburbs. Thirdly, the migration pattern is, for the most part, the drift to the cities, and of these 80.2 percent is single migration. Fourthly, the migration rate of lower income farms is higher. The major accupations of the migrants to the cities is simple workers or the technicians. Fifthly, the major motives of the migration are lower farmhousehold income and children's education. Specially the suburbanite is greater in the former and the exurbanite in the latter.
최세민(See Min Choi),최재휘(Jae Hwi Choi),화정석(Jeong Seok Hwa) 대한비뇨기종양학회 2020 대한비뇨기종양학회지 Vol.18 No.1
During last many decades, androgen deprivation therapy (ADT) was the main treatment of choice for metastatic castration-naïve prostate cancer (mCNPC). However, there are now more possible treatment options for mCNPC. In CHAARTED, GETUG-AFU 15, and STAMPEDE trial, docetaxel added to ADT improved overall survival compared to ADT alone in mCNPC. Also, STAMPEDE and LATITUDE trial revealed that abiraterone added to ADT improved overall survival compared to ADT alone for mCNPC patient. Furthermore, ARCHES and ENZAMET trial showed that enzalutamide added to ADT also can be a treatment option for mCNPC. Apalutamide added to ADT also improved survival compared to ADT alone in castration resistant prostate cancer patient. The usefulness of radiation therapy to primary tumor in mCNPC has also been studied in HORRAD and STAMPEDE trial. There are many ongoing trials for mCNPC setting. The aim of this paper is to review the current status of mCNPC management options.
Choi, Sung-Seen,Kwon, Hyuk-Min Elsevier 2015 POLYMER TESTING -LONDON- Vol.44 No.-
<P><B>Abstract</B></P> <P>Raw and cured solution styrene-butadiene rubbers (S-SBRs) with different microstructures were pyrolyzed and the pyrolysis products were analyzed using gas chromatography/mass spectrometry. 2-Phenylpropene (2-PP) was newly found to be formed from butadiene-styrene heterosequence. Formations of 2-PP and styrene were competitive and their relative intensities varied depending on the microstructure. Intensity ratios of 2-PP/styrene were plotted as a function of the 1,2-unit, 1,4-unit and styrene contents in order to employ the 2-PP/styrene plots as calibration curves to determine microstructure of unknown S-SBR samples. The 2-PP/styrene plot as a function of the 1,2-unit content had better correlation coefficients than those of the styrene and 1,4-unit contents. Correlation coefficients of the 2-PP/styrene plots were improved by correction with the 1,2-unit mole fraction. Microstructures (1,2-unit, 1,4-unit, and styrene contents) of unknown S-SBR samples could be determined using the 2-PP/styrene calibration curves.</P>
S-491 Recurrent rhabdomyolysis and myoglobinuric acute renal failure in a patient with polymyositis
( Seok Min Hyun ),( Hyung Wook Kim ),( Joung Ran Choi ),( See Jin Jang ),( Yoon Sik Chang ),( Byung Kee Bang ),( Cheol Whee Park ) 대한내과학회 2016 대한내과학회 추계학술대회 Vol.2016 No.1
Introduction: The kidneys are generally spared in polymyositis. We report on a 57-year-old woman with Polymyositis presented rhabdomyolysis and myoglobinuria, as a result oliguric AKI which required hemodialysis. Case: 57-year-old woman visited with posterior neck pain and weakness in both extremities, decreased urine output and dark-colored urine. She had no strenuous exercise history, no alcohol or drug abuse history. Lab findings were increased serum creatinine (maximum 4 mg/dl), CK (5,369 IU/L) and Myoglobin (4,346 ng/ml). Tc-99m-MDP Bone scan shows slightly increased uptake in calf muscles with reserved urinary activity. After hydration and bed rest, patient’s renal impairment and muscle strength gradually improved. After discharge, she visited again with severe pain on both thighs and swelling on both upper arms, weakness on both extremities. Myoglobinuria, serum creatinine 4.4mg/dl, potassium 6.8 mEq/L, CK 50,470IU/L, Myoglobin 63,559 ng/ml, CK-MM 33,269 ng/ml, AST 1,238IU/L, ALT 647 IU/L, LDH 7,070 IU/L were observed. Muscle biopsy shows Polymyositis. EMG shows profuse fibrillations with sharp waves and low-voltage polyphasic units. Follow-up Tc-99m-MDP Bone scan demonstrated increased uptake in various muscles without urinary activity, suggesting AKI due to non-traumatic rhabdomyolysis. Hemodialysis was done due to oliguria and hyperkalemia didn’t respond to supportive care. After starting steroid therapy, symptoms gradually improved. Discussion: The patient was confirmed Polymyositis with muscle biopsy and the EMG. Usually, Polymyositis has a gradual progression and rarely presents as an acute episode. Fewer than 10 cases of Polymyositis-induced AKI have been reported, and it is uncommon for Polymyositis patients with AKI which requires hemodialysis. Early recognition and treatment is essential to minimize renal damage. In conclusion, diagnosis of Polymyositis (or Dermatomyositis) must be considered in patients with recurrent non-traumatic rhabdomyolysis and myoglobinuric AKI.