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Pyrantel Pamoate (Combantrin)에 依한 蛔蟲 및 鉤蟲感染의 集團治療
徐丙卨,朴定圭,趙昇烈,姜信榮,魚光本,康世喆,李源宰,李正雨,黃邱一 中央醫學社 1972 中央醫學 Vol.23 No.6
The mass treatment trial of pyrantel pamoate on Ascaris lumbricoides and Ancylostoma duodenale infections was carried out to school-children and inhabitants in rural areas in the central part of Korea. Pyrantel pamoate ("Combantrin") tablet (123 mg base) was administered as a single dose of 10. 0 mg per kg. body weight to a total of 4,198 Ascaris infected cases selected out of 4,436 (41. 6%) positives, who were screened from the total 10,660 collected stool specimens. Of these, only 3,169. cases were followed up after treatment to provide an analysis in this study. Incidentally 161 cases with concomittently infected hookworm were also subjected to assess the efficacy of pyrantel pamoate against A. duodenale. The egg negative conversion rate on A. lumbricoides was 95.3%, and on A. duodenale, 97.5% four weeks following treatment. In failed cases, the egg reduction rates on both of the infections were 97.6% and 97.3% respectively. No side effects and no problem in drug administration were demonstrated. It is concluded that this study confirms the high efficacy of pyrantel pamoate in the treatment of Ascaris lumbricoides and Ancylostoma duodenale infections and also proves the acceptability and safety of this drug in the mass treatment of ascariasis in a population with relatively high worm burden.
정신분열증에서 신경증적 증상의 임상적 의의에 관한 연구
박병관,신석철,강민희,신윤오 충남대학교 의과대학 지역사회의학연구소 1990 충남의대잡지 Vol.17 No.1
To investigate the clinical significance of the neurotic symptoms in schizophrenia, the author applied PSE(Present State Examination) on Screening Schedule to 153 schizophrenic patients who were fit for the aim of this study. The patients were divided into two groups to grasp the phenomenological characteristics as the group with neurotic symptoms (100 cases) and the group without neurotic symptoms(53 cases). Among 91 items except neurotic symptoms in PSE, 14 items were selected as significant under X²-test, and tried factor analysis with 14 items using SPSS/PC+. The results of this study were summarized as follows. 1. In the group with neurotic symptoms, 4 factors were extracted as slowness of speech and behavior and blunted affect factor, inappropriate answer and affect factor, delusion factor, and restricted and poverty of speech factor. In the group without neurotic symptoms, 5 factors were extracted as slowness speech and behavior and incoherence factor, inappropriate and poverty speech and self-neglect factor, delusion factor, inappropriate affect factor, and loss of affect factor. In the group of total patients, 4 factor were extracted as restricted and slowness of speech and behavior and blunted affect factor, delusion factor, inappropriate and poverty of speech and inappropriate affect factor, and incoherence factor. 2. In the group with neurotic symptoms, slowness of speech and behavior, inappropriate answer, blunted and inappropriate affect were the major symptoms and inappropriate answer and affect, delusion, restricted and poverty of speech were the minor symptoms. Among these symptoms, slowness restriction, poverty of speech and behavior, inappropriate answer and characteristic blunted affect were characterized by negative symptoms(i.e. defect state) which were frequent in chronic schizophrenia. 3. In the group without neurotic symptoms, slowness of speech and behavior, incoherence, and self-neglect were the major symptoms and inappropriate and poverty of speech, delusion, inappropriate and loss of affect were the minor symptoms. Among these symptoms, slowness and inappropriateness of speech and behavior, and characteristic incoherence and self-neglect were characterized by positive symptoms which were interpreted as less distorted reality than the group with neurotic symptoms in the process of schzophrenia. 4. In the group of total patients, restricted and slowness of speech and behavior, blunted affect and delusion were the major symptoms and inappropriateness, poverty and incoherence of speech, and inappropriate affect were the minor symptoms, which were composed of the major and the minor symptoms of the group with neurotic symptoms and without neurotic symptoms. These symptoms can be seen frequently in the diagnostic criterias and clinical practice and thought to be the result of the major symptoms common in schizophrenia regardless of he presence of neurotic symptoms.
A Study on the Performance of Pulse Jet Cleaning in High Temperature Filter
Byong-Ryol Kim,Seung-Chul Park,Byoung-Chul Park,Hyun-Jun Cho,Hyoung-Mo Oh,Tae-Won Hwang,Sang-Woon Shin 한국방사성폐기물학회 2005 방사성폐기물학회지 Vol.3 No.1
To evaluate parameters influencing on the dust removal of the High Temperature Filter(HTF) system, a computer simulation of fluid dynamics inside the system had been performed. The results showed that the optimum pulse jet periods were 50ms and 90ms for the 1000mm and 1500mm long filter elements respectively. Dust removal effect was very excellent under the pulse jet pressure of 3 bar. But the distance between the pulse jet nozzle and the venturi of a filter element had no meaningful effect on the performance with the variation from 5mm to 10mm. Compared to the dispersion mode of pulse jet, the collective mode of pulse jet flow was preferable in maintaining the pressure inside the system stable.
Shin, Young-Kyoung,Yoo, Byong Chul,Hong, Yong Sang,Chang, Hee Jin,Jung, Kyung Hae,Jeong, Seung-Yong,Park, Jae-Gahb WILEY-VCH Verlag 2009 Electrophoresis Vol.30 No.12
<P>5-Fluorouracil (5-FU) is the most commonly used chemotherapeutic agent for colorectal cancer (CRC). However, resistance to this drug is a major obstacle in CRC chemotherapy. Accurate prediction of response to 5-FU would avoid unnecessary chemotherapy and allow the selection of other effective drugs. To identify a candidate predictor of 5-FU resistance, we isolated secreted proteins that were up- or downregulated in a 5-FU-resistant cancer cell line, compared with the parent cell line (SNU-C4), using a stable isotope-coded labeling protocol. For validating the clinical applicability of this method, levels of the identified proteins were determined in the sera of 46 patients treated with 5-FU. In total, 238 proteins with molecular weights ranging from 50 to 75 kDa were identified. Among these, 45 and 35 secreted proteins were up- and downregulated in the 5-FU-resistant cell line, respectively. We observed significant upregulation of glycolytic enzymes, including glyceraldehyde-3-phosphate dehydrogenase, pyruvate kinase M2 (PK-M2), transketolase, and NADP(+)-dependent malic enzyme 1. In particular, the level of PK-M2, a key enzyme in the glycolytic pathway, showed an increasing tendency in both sera and tissues from CRC patients displaying no response to 5-FU-based chemotherapy (progressive and stable disease cases), compared with that in complete or partial responders to 5-FU-based chemotherapy; however, it did not reach the statistical significance. In conclusion, increasing pattern of PK-M2 observed with 5-FU resistance induced in vitro and in sera and tissues from CRC patients displaying poor response to 5-FU-based chemotherapy suggest the relevance of dysregulated glycolysis and 5-FU-resistant CRC.</P>