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폐흡충에 의한 무균성 노흉에 대한 돼지꼬리형 도관(pig-tail catheter)을 이용한 치료의 효과
한경택,권세훈,김형호,하재화,선길홍,권용은,윤성호,이승일 朝鮮大學校 附設 醫學硏究所 2006 The Medical Journal of Chosun University Vol.31 No.3
Background: Pulmonary paragonimiasis is caused by consumption of raw or improperlycooked crustacea infected with the laval stage (metacercaria) of Paragonimus westermani. The most characteristic symptoms were rust-colored sputum and cough. Paragonimiasis causes pleural thickening or effusion in 48% of the patients. Pleuro-pulmonary paragonimiasis can be easily overlooked by physicians who do not suspect this disease in the differential diagnosis. Method: We compared the outcomes of 11 patients with paragonimus empyema managed either through thoracotomy or pig-tail catheter drain. These patients were confirmed by food history, clinical and radiological findings, and laboratory data. Results: The male and female ratio was 1.75 : 1, and mean age was 40.0 ± 13.5 years. AII patients had pulmonary symptoms such as cough or chest pain. Serum-ELISA for paragonimiasis were all positive (mean titer was 0.57). AII patients had pleural effusion in radiological findings( 2 patients had bilateral pleural effusion). All patients received praziquantel (75 ㎎/㎏/day for 3days). Two patients were treated with thoracotomy and nine patients were treated with pig-tail drain. Hospital stay were 14.5 days in thoracotomy group and 5.6 days in pig-tail group respectively, Conclusion: Compared to the conventional thoracotomy grouP, the patients with paragonimus empyema who received pig-tail catheters had a significantly-decreased period of drain in situ, were clinically improved earlier, and were discharged earlier.
장기간의 Cyclosporine 유지 요법으로 신기능을 유지 중인 FSGS 2예
권순길 ( Kwon Sun Gil ),김상현 ( Kim Sang Hyeon ),김수희 ( Kim Su Hui ),박은주 ( Park Eun Ju ),이은경 ( Lee Eun Gyeong ),박수길 ( Park Su Gil ) 대한신장학회 2004 Kidney Research and Clinical Practice Vol.23 No.1
Cyclosporine can cause remission of 60% in ster oid resistant FSGS, but its responses are variable. Now we report two cases of steroid resistant FSGS who are maintaining remission using cyclosporine continuous therapy. The first patient had been failed several times of steroid therapy, had edema, azotemia and severe proteinuria. We used steroid pulse therapy then maintenance dose of oral cyclosporine to reduce proteinuria for more than 6 years. He has been received cyclosporine therapy up to now and maintaining normal renal function. The second patient had severe azotemia who needed hemodialysis but after cyclosporine therapy, he recovered his renal funciton. The findings of renal biopsies in one patient after 6 years of cyclosporine therapy revealed that there was no improvement of sclerosing glomeruli, then we guess that maintenance therapy of cyclosporine might need for lifelong period. (Korean J Nephrol 2004;23(1):158-162)
Joon-Kook Kwon,Kyoung-Sub Park,Hyo-Gil Choi,Sun-Yi Lee,K. Bekhzod,Mi-Ran Hwang,Nam-Jun Kang 경상대학교 농업생명과학연구원 2013 농업생명과학연구 Vol.47 No.1
This experiment was carried out to determine the effect of different spectrum conversion greenhouse films (red, blue, red+blue) to changing microclimate and subsequent effect on growth and quality of lettuce (Lactuca sativa L.), tomato (Solanum lycopersicum L.), and melon (Cucumis melo L.) Transmission of PAR (photosynthetic active radiation, 400-700 nm) under red, blue, and blue+red (BR) films was higher by 7.2, 7.6, and 5.8%, respectively, as compared with control greenhouse film. Light transmission in the 300-1100 nm wave band was 91.6% and 91.3% under red and blue films, respectively, compared to 86.4% under control film. Mean daytime temperature in greenhouse was slightly higher in red and blue film and mean night time temperature was higher in BR film. There were no significant differences in relative humidity among the films. Number of leaves and plant fresh weight of lettuce were higher under BR film. Total number of marketable tomato fruits was greater under blue and BR film and fruit weight was heavier under red and blue film compared to control film. Under BR and red film melon fruit weight was increased by 140 g and 80 g respectively, as compared to control film. Sugar content in melon and tomato fruits was not affected by covering films.
Kwon, Jung-Taek,Kim, Dae-Seong,Minai-Tehrani, Arash,Hwang, Soon-Kyung,Chang, Seung-Hee,Lee, Eun-Sun,Xu, Cheng-Xiong,Lim, Hwang Tae,Kim, Ji-Eun,Yoon, Byung-Il,An, Gil-Hwan,Lee, Kee-Ho,Lee, Jin-Kyu,Cho, Japan Society for Occupational Health 2009 JOURNAL OF OCCUPATIONAL HEALTH Vol.51 No.5
<P><B>Objectives:</B> Nanomaterials are used in a wide variety of industrial materials such as semiconductors, magnetic resonance imaging, gene delivery carriers for gene therapy and many others; thus, human seems to be frequently exposed to them. Such diverse applications of nanoparticles elicit the need to identify the positive aspects of nanomaterials while avoiding the potential toxic effects. In this study, inhalation toxicity of manufactured nanomaterials using fluorescent magnetic nanoparticles (FMNPs) was assessed to address the issue of potential nanoparticle toxicity. <B>Methods:</B> Biological samples from a previous mouse FMNP exposure experiment were analyzed for potential FMNP toxicity. Mice inhaled FMNPs for 4 wk through a nose-only exposure chamber developed by our group for 4 wk and the potential toxicity of FMNPs was analyzed. <B>Results: </B> The nanoparticle distribution by scanning mobility particle sizer (SMPS) analysis showed that the mean values of number concentration (mass concentrations) in the nose-only exposure chamber were maintained at 4.89×10<SUP>5</SUP>/cm<SUP>3</SUP> (approximately 159.4 <I>μ</I>g/m<SUP>3</SUP>) for the low concentration and 9.34×10<SUP>5</SUP>/cm<SUP>3</SUP> (approximately 319.5 <I>μ</I>g/m<SUP>3</SUP>) for the high concentration, respectively. Inhalation of FMNPs caused a decrease of body weight and significant changes of white blood cells (WBCs) levels in whole blood. The FMNPs induced extramedullary hematopoiesis in the spleen without having a pulmonary effect. <B>Conclusions:</B> Our results support the proposition that extensive toxicity evaluation is needed for practical applications of anthropogenic nanomaterials and suggest that careful regulation of nanoparticle applications may be necessary to maintain a high quality of life as well as for facilitating the development of nanotechnology.</P>
( Gil-sun Hong ),( Jae Ho Byun ),( Heon-ju Kwon ),( Ji Yeon Kim ),( So Yeon Kim ),( Hyung Jin Won ),( Kyung Won Kim ),( Young Moon Shin ),( Pyo Nyun Kim ) 대한간학회 2018 춘·추계 학술대회 (KASL) Vol.2018 No.1
Aims: To identify imaging characteristics that differentiate small (£2 cm) HCCs from small (£2 cm) benign nodules in cirrhotic liver on gadoxetic acidenhanced and diffusion-weighted (DW) magnetic resonance (MR) images. Methods: On gadoxetic acid-enhanced and DW MR images, we analysed signal intensity of 222 small HCCs and 61 benign nodules (diameter, 0.5-2 cm) at each sequence and rim enhancement during portal or equilibrium phases. Univariate and multivariate logistic regression analyses identified predictors of HCC. Combinations of significant MR findings in multivariate analysis were compared with American Association for the Study of Liver Disease (AASLD) practice guidelines. Results: In multivariate analysis, arterial enhancement (adjusted odds ratio [aOR], 8.6), T2 hyperintensity (aOR,5.8), and hyperintensity on DW images (aOR, 3.8) were significant for differentiating small HCCs from benign nodules (p £ 0.004). When two or all three findings were applied as diagnostic criteria for differentiating small HCCs from benign nodules, sensitivity and accuracy were significantly higher compared with AASLD practice guidelines (91% vs. 78% and 89% vs. 81%, respectively;each P<0.0001). Conclusions: On gadoxetic acid-enhanced MR imaging, arterial enhancement and hyperintensity on T2-weighted and DW MR images are helpful for differentiating small HCCs from benign nodules in liver cirrhosis.
Predictive Guide for Collective CO<sub>2</sub> Adsorption Properties of Mg−Al Mixed Oxides
Kwon, Hyuk Jae,Kwon, Soonchul,Seo, Jeong Gil,Jung, In Sun,Son, You-Hwan,Lee, Chan Hyun,Lee, Ki Bong,Lee, Hyun Chul Wiley (John WileySons) 2017 CHEM SUS CHEM Vol.10 No.8
<P>Although solid adsorption processes offer attractive benefits, such as reduced energy demands and penalties compared with liquid absorption processes, there are still pressing needs for solid adsorbents with high adsorption capacities, thermal efficiencies, and energy-intensive regeneration in gas-treatment processes. The CO2 adsorption capacities of layered double oxides (LDOs), which are attractive solid adsorbents, have an asymmetric volcano-type correlation with their relative crystallinities. Furthermore, new collective adsorption properties (adsorption capacity, adsorptive energy and charge-transfer amount based on the adsorbent weight) are proposed based on density functional theory (DFT) calculations and measured surface areas. The correlation of these collective properties with their crystallinities is in good agreement with the experimentally measured CO2 adsorptive capacity trend, providing a predictive guide for the development of solid adsorbents for gas-adsorption processes.</P>