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손 홍,전순자,주영수,조성일,최홍렬,김미경,김형식 大韓産業醫學會 1998 대한직업환경의학회지 Vol.10 No.4
A hand-arm vibration syndrome, local vibration illness, occurs in some workers who use hand held vibration tools. It consists of white fingers, diffusely distributed finger neuropathy, pain in the hand and arm, and a small excess risk of osteoarthritis. This study is aimed to identify effective methods to confirm local vibration illness among various health exams, which are mentioned in worker's special health exam regulation. In addition, this study is aimed to quantitatively assess the daily vibration exposure level as a major determinant of vibration illness. The subjects, 46 vibration workers, were selected according to the results of the first special health exam about vibration hazards at shipbuilding industry in 1997. They all had experiences of work related blanching of fingers. Fifteen controls, who had no vibration exposure at all, were also recruited to compare their test results with the results of vibration workers. We adopted I subjective and 6 objective tests to evaluate the effectiveness and feasibility for confirming local vibration illness. These tests were history taking of subjective symptoms according to the Stockholm classification, checking blood pressure of finger, checking grasp power, checking finger skin temperature, nail-bed pressing test, vibration perceptional threshold test, and skin prick test for pain perception. Among these, checking skin temperature, nail-bed pressing test, and vibration perception test included cold water provocations. We also estimated some vibration exposure levels of hand held vibration tools by using previously published data from one automobile company. In conclusion, history taking of subjective symptoms according to the Stockholm classification, nail-bed pressing test, and vibration perceptional threshold test were discovered to be effective to diagnose local vibration illness. Furthermore, vibration perceptional threshold on right fingers showed a dose-response relationship to daily vibration exposure levels. The parameter β was 0.0005(±0.0002), and statistically significant by REM(random effects model).
Nam Jun Cho,Ho-Sung Lee,Si-Hyong Jang,Jae Sung Choi,Ju Ock Na,Ki Hyun Seo,Yong Hoon Kim,Hyo-Chul Kang,Dae-Yeon Kim1 순천향의학연구소 2013 Journal of Soonchunhyang Medical Science Vol.19 No.2
In patients with advanced non-small cell lung cancer harboring epidermal growth factor receptor (EGFR) mutations, the epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) are used as first treatment option. Because adenosquamous carcinoma (ASC) is a rare histologic subtype, evidences about EGFR-TKIs as first treatment option for advanced ASC are lacking. We report a case of an advanced ASC patient with the EGFR mutation, who showed good responses during 4-month treatment with gefitinib. And we will review about a necessity of EGFR mutation test and efficacy of EGFR-TKIs in ASC patients from the recent studies.
La Experiencia Migratoria de la Nueva Comunidad Coreana en México
Kim, Hyong-ju 부산외국어대학교 이베로아메리카연구소 2006 이베로아메리카 Vol.8 No.2
The new Korean community formed in México during recent decades has come acquiring special visibility with particular meanings in Mexican society. The migration experience this community gets in Mexico, in turn, lets it's members construe important signification with respect to the receiving society. The general aim of this paper is to explore materiality and functions those significations achieve - specified through some mechanisms, dealing also with identifying phase(s), characteristics and possible relations in the migratory process of Korean community, according to their own modalities of insertion and interrelation in different fields of Mexican scenario. In this way, the status quo of the Korean community will be explained in terms of social insertion understood as adaptation, assimilation and integration in the Mexican context.
Kim, Kyung-Ju,Jung, Hae Yoen,Oh, Mee-Hye,Cho, Hyundeuk,Lee, Ji-Hye,Lee, Hyun Ju,Jang, Si-Hyong,Lee, Moon Soo The Korean Gastric Cancer Association 2015 Journal of gastric cancer Vol.15 No.3
Purpose: The AT-rich interactive domain 1A (ARID1A ) gene encodes BRG1-associated factor 250a, a component of the SWItch/Sucrose NonFermentable chromatin remodeling complex, which is considered a tumor suppressor in many tumors. We aimed to investigate the prognostic significance of ARID1A expression in gastric cancers and explore its relationship with clinicopathologic parameters such as mismatch repair protein expression. Materials and Methods: Four tissue microarrays were constructed from 191 resected specimens obtained at Soonchunhyang University Cheonan Hospital from 2006 to 2008. Nuclear expression of ARID1A was semiquantitatively assessed and binarized into retained and lost expression. Results: Loss of ARID1A expression was observed in 62 cases (32.5%). This was associated with more frequent vascular invasion (P=0.019) and location in the upper third of the stomach (P=0.001), and trended toward more poorly differentiated subtypes (P=0.054). ARID1A loss was significantly associated with the mismatch repair-deficient phenotype (P=0.003). ARID1A loss showed a statistically significant correlation with loss of MLH1 (P=0.001) but not MSH2 expression (P=1.000). Kaplan-Meier survival analysis showed no statistically significant difference in overall survival; however, patients with retained ARID1A expression tended to have better overall survival than those with loss of ARID1A expression (P=0.053). In both mismatch repair-deficient and mismatch repair-proficient groups, survival analysis showed no differences related to ARID1A expression status. Conclusions: Our results demonstrated that loss of ARID1A expression is closely associated with the mismatch repair-deficient phenotype, especially in sporadic microsatellite instability-high gastric cancers.
항문주위 괴사근막염 수술 후 발생한 두덩결합 골수염의 경험
김지연,김태형,추은주,전민혁,이은정,김종화,박의주,이재철,진소영 대한감염학회 2009 감염과 화학요법 Vol.41 No.3
Osteomyelitis of the pubic symphysis is not common and has often been reported to occur after urological or gynecological procedures, It can be spontaneous in origin but it also is associated with trauma, athletic exertion, pregnancy, and parturition. The early symptoms of osteomyelitis of the pubic symphysis mimic those of osteitis pubis and therefore, the differential diagnosis between these two entities is of clinical importance. A fifty nine-year-old man who had previously received debridement and wide excision of perianal necrotizing fasciitis visited our hospital with pain on both inguinal areas. The core biopsy of the pubic symphysis and aspiration culture were performed, from which Pseudomonas aeruginosa was recovered. He was treated with parenteral ceftazidime for 5 days followed by cefepime for 7 weeks and showed favorable clinical response. To our knowledge this is the first report on osteomyelitis of pubic symphysis resulting from debridement and wide excision of perianal necrotizing fasciitis in Korea.
Kim, Hyong-Ju,Lee, Chang-Moon,Lee, Yong-Bok,Lee, Ki-Young The Korean Society for Biotechnology and Bioengine 2005 Biotechnology and Bioprocess Engineering Vol.10 No.6
Drug delivery to the lymphatic system may be important in terms of the treatment with lymphatic involvement, such as tumor metastases and immunization. Especially, drug transport via the intestinal lymphatics after oral administration has been attracted lots of interests. The purpose of this study was to prepare cyclosporin A (CSA)-loaded liposomes, with different characteristics, and evaluate their mucoadhesivity. Three liposome preparations were formulated: cationic stearylamine liposomes (SA-Lip), anionic phosphatidylserine liposomes (PS-Lip), Polymer (chitosan)-coated liposomes (CS-Lip), and characterized. The liposome preparations were found to be spherical in shape, with PS-Lip being the smallest. The liposome preparations exhibited entrapment efficiencies in the order: PS-Lip $(52.5{\pm}2.9%)$ > SA-Lip $(48.8{\pm}3.3%)$ > CS-Lip $(41.7{\pm}4.2%)$. Finally, mucoadhesive tests were carried out using rat intestine, with SA-Lip (67%) showing the best adhesive rate of the three preparations (PS-Lip: 56%, CS-Lip: 61%). These results suggest that a positive charge on the surface of drug carriers may be an important factor for the intestinal drug delivery.