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RISS 인기검색어
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- 저자 : 이귀선(Gui Sun Lee) (검색결과 3 건)
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금연이침저주파지극기(HBN-001)의 개발 및 금연효과 Pilot Test
차윤엽,이귀선,박노국,Cha, Yun-Yeop,Lee, Gui-Sun,Park, Roh-Gook 한국벤처창업학회 2012 벤처창업연구 Vol.7 No.3
최근 수명 연장 등으로 건강에 대한 관심이 높아지면서 흡연자들의 금연에 대한 욕구가 높아지고 있다. 한의학에서는 금연치료법으로 이침요법(Auricular Acupuncturing)을 사용하는데, 저주파 자극을 통하여 금연에 효과 있는 폐점(Lung point)과 내분비점(Endocrine point)을 자극할 수 있는 기기를 만들어 실제 효과가 있는지 알아보았다. 먼저 이혈에 저주파 자극과 헤드셋이 결합된 금연이침저주파자극기(HBN-001)시제품을 개발하였고 이 기기를 이용하여 20명의 피험자에게 Pilot Test를 해보았다. 흡연량은 시술 전 12.19 개비였으며, 5회 이상 시술하여 2주후에는 10.34개비로 줄었으나 통계적으로 유의한 차이는 없었다. 수술 후 흡연에 대한 욕구는 변화 없다 4명(20%), 약간감소 4명(20%), 25-49% 감소 4명(20%), 50-75% 감소 6명(30%), 75-99% 감소 1명(5%), 욕구가 완전히 사라졌다 1명(5%) 이었다. 담배 맛의 변화에 대해서는 피험자 중 약간 좋아졌다 2명(10%), 변화없다 7명(35%), 약간 나빠졌다 6명(30%), 많이 나빠졌다 5명(25%) 이었다. Pilot Test 상으로는 긍정적으로 금연을 도울 수 있을 것으로 보이며, 향후 더 깊은 연구가 필요할 것으로 보인다. With recent increase in interest on health through extension of life expectancies of people, desire of smokers to stop smoking is also getting stronger. Korean medicine uses Auricular Acupuncturing as a treatment to stop smoking. This Study examined whether Auricular Acupuncturing is actually effective by manufacturing device that can stimulate lung point and endocrine point that are known to be effective in stop smoking through low frequency stimulation. Firstly, Low Frequency Stimulator for Auricular Acupuncturing to quit smoking (HBN-001) was developed as an experimental device by combining low frequency stimulation to auricular acupuncture points and headset, and was pilot tested on 20 subjects. The average quantity of cigarette smoked prior to the application of the procedure was 12.19, which was reduced to 10.34 cigarettes after 2 weeks with more than 5 sessions of Auricular Acupuncturing. However, there was no statistically significant difference. The changes in the desire to smoke following the procedure included 4 subjects (20%) with no change, 4 (20%) with slight reduction, 4 (20%) with 25%~49% reduction, 6 (30%) with 50%~75% reduction, 1 (5%) with 75%~99% reduction and 1 (5%) with complete elimination of desire to smoke. Changes in how cigarette smoking tasted included 2 subjects (10%) with slight improvement, 7 (35%) with no change, 6 (30%) with slight worsening and 5 (25%) with substantially worsened taste. Based on the results of the Pilot Test, it appears that Auricular Acupuncturing could be affirmatively helpful in quitting smoking, and further researches in greater depth would be necessary in the future.
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Brain CTA 검사에서 관전압 변화에 대한 Metal Artifact영향에 관한 연구 : 팬텀을 이용한 재구성방식 비교
정원창(Won Chang Jeong),이귀선(Gui Sun Lee),강홍구(Hong Koo Kang),이성현(Sung Hyun Lee),김창남(Chang Nam Kim),김기원(Ki Won Kim) 대한전산화단층기술학회 2013 대한CT영상기술학회지 Vol.15 No.1
목적 Brain CTA 검사 시 환자로부터 기인되어 화질감소의 원인이 되는 금속물질(외과용 clip, stent 등)이 화질에 미치는 영향을 실험을 통해서 알아보고자 하였다. 대상 및 방법 64 MDCT(BrⅢiance 64, Philips Medical Systems, Netherland)와 640 MSCT(AquⅢion ONE, Toshiba Medical Systems, Japan)장비를 이용하여, AAPM(Fluke, Nuclear Associates 76-410-4130USA)팬텀 을 임상 적용 검사조건으로 관전압만 변화를 주어 스캔하였다. 영상분석은 Display Workstation 사용하여 알루미늄 핀을 중심으로 0 mm부터 25 mm까지 5 mm간격으로 8방향에서 CT number와 노이즈를 측정하여 평균값을 얻었으며, 각 kVp마다 확대 영상(2배, 3배)을 얻어 비교하였다. 결과 두 장비 모두 고관전압을 적용할수록 노이즈와 Hounsfield Unit)가 감소했다. 중심부 알루미늄 핀에서 멀어질수록 노이즈는 전체적으로 감소하였다. HU는 고관전압을 적용함에 따라 중심부에서 멀어질수록 HU감소율이 적었다. 5 mm부터 25 mm까지의 노이즈 변동폭(변동계수)은 고관전압을 사용할수록 적었으며,반복적 재구성(Iterative Reconstruction)을 적용한 장비에서 더 낮았다. 재구성 방식에 따라 80 kVp의 노이즈를 기준으로 120, 140 kVp에서의 노이즈를 백분율로 나타냈을 때, 반복적 재구성 장비가 필터 보정 역트영법을 적용한 장비보다 노이즈 감소가 더 많았다. 결론 두부 내 금속 물질이 있는 환자의 CTA 검사 시 고관전압이 유용하며 기존의 필터 보정 역투영법 보다 반복적 재구성법을 이용할 금속 인공물로 인한 영상의 질 저하를 줄일 수 있었다. Ⅰ. Purpose When perform the Brain CTA, Metal materials are causing the degradation of image quality. Therefore, this study examines the influence of metal materials originated from patients on the image quality. Ⅱ. Meterial and Methods The 64 MDCT (BrⅢiance 64, Philips Medical Systems, Netherland) and 640 MSCT (AquⅢion ONE, Toshiba Medical Systems, Japan) equipment was used. Phantom model is AAPM (Fluke, Nuclear Associates 76-410-4130) and Scan parameter applied the clinical condition with only change kVp (80, 120, 140 kVp). Quantitative Analysis of image was done by evaluating CT Number, Noise with Aluminum pin as the center at interval of 5 mm to 25 mm, in the 8 direction. For objective point of view, we averaged each value of CT Number and Noise out. The image obtained Under the same kVp was magnified 2 and 3 times, and reconstructed. Ⅲ. Result When use the High kVp, it is lower noise than using low voltage. The more away from the center of aluminum pin both equipment noise values decreased. Equipment using FBP reconstruction, the more away from the center of aluminum pin, is a widestrange of noise(from 5 mm to 25 mm). When applying high kVp, HU’s reduction rate was lower than using low kVp. All HU measured at 80, 120, 140 kVp is decreased according to the distance away from the center due to the central aluminum pin. Ⅳ. Conclusions When perform CTA examination of the patients with metal material, To reduce influence of artifact on the scanned image It is advantageous to use high kVp. From a Reconstruction method viewpoint, Iterative Reconstruction is useful when compared with the conventional Filtered Back Projection Reconstruction.
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E10의 경항부 근육통 완화에 대한 효과; 전-후 비교, 예비 임상 연구
정동훈 ( Dong-hoon Jung ),김혜정 ( Hye-jung Kim ),김정섭 ( Jung-sup Kim ),이귀선 ( Gui-sun Lee ),박원형 ( Won-hyung Park ),차윤엽 ( Yun-yeop Cha ) 대한한의학회 한방재활의학과학회 2016 한방재활의학과학회지 Vol.26 No.3
Objectives The purpose of this study is to investigate the efficacy of E10 on the relief of cervical myalgia. Methods This study is a one group pre-post, pilot trial test. After the approval of institutional review board (IRB), we have recruited 25 patients suffering from cervical myalgia. 23 patients (2 patients dropped out) was treated by using E10 on the cervical muscle and acupuncture points, three times a week for a total of two weeks from February 2016 to April 2016. Evaluations of VAS for bothersomeness of neck pain (VASB), VAS for pain intensity (VASP), NDI, SF-36, X-ray, thermography, etc. before and 1 week after treatment were carried out. The primary outcome measure was the VASB, measured 1 week after the end of the therapy. Results VASB scores was significantly decreased from 72.5±9.9 to 50.4±9.9. VASP scores was significantly decreased from 71.5±10.5 to 48.5±18.3. Results showed significant improvements in VASB, VASP, NDI, SF-36 from the baseline. However, in X-ray, thermography, there was no singnificant difference. Conclusions This study demonstrates the effectiveness of E10 treatment for relieving cervical myalgia. (J Korean Med Rehabil 2016;26(3):119-128)
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