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P247 : A study on use of complementary and alternative medicine for acne
( Sook Kyung Lee ),( Taek Geun Lee ),( Hyun Hwang Bo ),( Tae Gwang Kwon ),( Se Won Jung ),( Young Seok Lee ) 대한피부과학회 2013 대한피부과학회 학술발표대회집 Vol.65 No.2
Background: Complementary and alternative medicine (CAM) is any practice that has healing effects, but is not based on evidence demonstrated by scientific method. Recently, CAM has been used in various diseases including acne. However, there have been no studies on CAM for acne in Korea. Objectives: The purpose of this study was to analyze the use of CAM in acne patients. Methods: A total of 159 patients with acne were enrolled on the study, and filled out a questionnaire about use of CAM. Results: Overall 87.4% (139/159) of the patients reported the previous or current use of at least one more type of CAM. Cosmetics for acne (100, 22.9%) was most frequently used, followed by diet therapy (81, 18.5%), spa and bath therapies (77, 17.6%), health food supplement (67, 15.3%), skin care shop (64, 14.6%), oriental medicine (38, 8.7%), and aromatherapy (9, 2.1%). The most common reason for using CAM was ``wish to try everything`` (28.6%), and the most common source of information was internet (40.5%). The therapeutic effect of CAM was best with diet therapy (32.1%). The most common side effect of CAM was aggravation of symptoms. The most common monthly cost for CAM was between 50,000 and 100,000 won/person. Conclusion: As our results, we can predict that the use of various types of CAM for acne will become more common. Therefore, dermatologists need to study about benefits and adverse effects of CAM for acne.
The Longitudinal Trend of Cardiac Surgery in Korea from 2003 to 2013
Lee, Kyeong Soo,Kim, Chang Suk,Park, Jong Heon,Hwang, Tae Yoon,Kim, Sang Won,Sim, Sung Bo,Lee, Kun Sei The Korean Society for Thoracic and Cardiovascular 2016 The Korean Journal of Thoracic and Cardiovascular Vol.49 No.sup
Background: The purpose of this study was to investigate longitudinal changes of the utilization of operational and surgical medical care inside and outside a metropolitan area over 10 years, analyzing the residential areas of patients and the locations of medical facilities for major cardiovascular surgery. Methods: Data analysis was conducted by classifying the addresses of patients and the locations of medical care facilities of metropolitan cities and provinces, using data from the National Health Insurance Corporation from January 2003 to December 2013. Results: There is serious concentration of major heart surgery to medical facilities in Seoul; this problem has not improved over time. There were differences in percentages of surgical procedures performed in the metropolitan areas according to major diseases. In the case of Busan and Daegu provinces, at least 50% of the patients underwent surgery in medical facilities in the city, but there are other regions where the percentage is less than 50%. In the case of provinces, the percentage of surgical procedures performed in medical facilities in Seoul or nearby metropolitan cities is very high. Conclusion: Policies to strengthen the regional capabilities of heart surgery and to secure human resources are required to mitigate the concentration of patients in the capital area. Many regional multi-centers must be designated to minimize unnecessary competition among regional university hospitals and activate a win-win partnership model for medical services.
Hwang, Tae-Hwan,Kim, Wan-Tae,Choi, Won-Youl American Scientific Publishers 2017 Journal of Nanoscience and Nanotechnology Vol.17 No.7
<P>In dye-sensitized solar cells (DSCs), TiO2 nanoparticles (TNPs) were conventionally used as a photoelectrode. The photoelectrode has shown electron scattering problem. TiO2 nanofibers (TNFs) and carbon nanotubes (CNTs), which have one dimensional structure, high surface area, good electrical, and catalytic properties, is expected to be able to greatly improve the performances of DSCs. To decrease the photoelectron scattering and electron-hole pair recombination in the TNP photoelectrode, electrospun TNFs and multi-wall CNT were added in TNP paste. The diameters of TNFs and multi-wall CNTs were similar to 400 nm and similar to 20 nm, respectively. The short circuit current and power conversion efficiency were increased by adding TNFs and decreased by adding CNTs. In DSCs with 15 wt% TNF, best values of 12.92 mA/cm(2) and 4.79% were observed and electron life time was 0.09 sec.</P>
( Tae Hyun Kim ),( Sang Hyun Lee ),( Yu Hee Choi ),( Soo Yong Lee ),( Jong Min Hwang ),( Min Ku Chon ),( Ki Won Hwang ),( Jeong Su Kim ),( Yong Hyun Park ),( June Hong Kim ),( Kook Jin Chun ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Background: The aim of our study was to investigate clinical features as well as coronary angiographic fi ndings in patients with cardiac myxoma. Methods: We performed a retrospective review of the 25 patients with cardiac myxoma, who had received surgical resection from July 2008 to June 2014 at our hospital, recording age, sex, symptoms, tumor location, echocardiography fi ndings and coronary angiography for each patient. Results: In 25 patients there were 9 (36%) men and 16 (64%) women with median age 55; range 17-69 years. The clinical features of 25 patients were showed in fi gure 1. fifteen (60%) patients underwent preoperative selective coronary angiography. All coronary angiographies showed that there were no signifi cant stenoses of coronary arteries. Thirteen (87%) cases of total 15 coronary angiographies showed ‘tumor vascularity’ looks like aterio-cavitary fi stula and feeding vessels. In the thirteen patients, eight (62%) patients had feeding arteries of myxoma from right coronary artery (RCA), three (23%) patients had feeding vessels from left circumfi ex coronary artery (LCx) and two (15%) patients had dual feeding arteries from RCA and LCx. There was no feeding artery from left anterior descending coronary artery (LAD). Conclusions: Our data demonstrated that the almost coronary angiograms (87%) to exclude concomitant coronary artery disease before surgery showed feeding vessels and tumor vascularity of cardiac myxoma from RCA or LCx. We showed that feeding arteries of cardiac myxoma from RCA were found more frequent than from LCx. Also, there was no feeding artery from LAD.