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고우석,유선국,박성욱,정남훈,김준석,이근섭,윤대희,Ko, Woo-Suk,Yoo, Sun-Kook,Park, Sung-Wook,Jung, Nam-Hoon,Kim, Joon-Seok,Lee, Keun-Sup,Youn, Dae-Hee 한국통신학회 1998 韓國通信學會論文誌 Vol.23 No.6
The thesis presents a dual audio decoder which can decode both AC-3 and MPEG-2 bitstream. The MPEG-2 synthesis processi s optimized via FFT to establish the common data path with AC-'3s. A dual audio decoder consists of a DSP core which performs the control-intensive part of each algorithm and a common synthesis filter which perfomrs the computation-intensive part. All the components of the dual audio decoder have been described in VHDL and simulated with a SYNOPSYS tool. The software modeling of the DSP core was used for functional validation. After being synthesized using 0.6 .mu.m-3ML technology standard cell, the dual audio decoder was simulated at gate-level with a COMPASS tool for hardware validation.
이의주,정용재,곽창규,황민우,유정희,고우석,김경수,고병희,Lee, Eui-Ju,Jung, Yong-Jae,Kwak, Chang-Kyu,Hwang, Min-Woo,Yoo, Jung-Hee,Ko, Wo-Suk,Kim, Kyung-Soo,Koh, Byung-Hee 사상체질의학회 2007 사상체질의학회지 Vol.19 No.2
1. Objectives In oriental medicine, there is no method to diagnosis Sasang constitution of school aged children. The objective diagnostic method is necessary to improve the health condition of children. The method must be able to reduce time and to correct subjective error. So the purposes of this study are developing the questionnaire to diagnosis Sasang constitution of school-aged children. 2. Methods The questionnaire consists of selected substance of ${\ulcorner}$Dongyisusebowon${\lrcorner}$, characteristic questionnaire of children and questionnaire for the Sasangin Diagnosis Questionnaire(for adult). Experts, element school children and a scholar on Korean literature revise the questionnaire. 3. Results and Conclusion Experts examed pre-questionnaires and selected the final questionnaries by CVI 0.8 at propriety of contents. Sasangin Diagnosis Questionnaire (SDQ) for Child consists of 84 questions (24 questions for child, 48 questions and 12 questions for doctor).
이동필(Dong Pil Lee),정영태(Yeong Tae Jeong),이재복(Jae Bok Lee),고우석(Woo Suk Ko),이선희(Sun Hee Lee),신영민(Young Min Shin),송근암(Geun Am Song),조몽(Mong Cho),양웅석(Ung Suk Yang),문한규(Han Kyu Moon) 대한내과학회 1995 대한내과학회지 Vol.48 No.6
N/A Objectives: Although the peptic ulcer is a benign disease, it has relatively high incidence and recurrence rate in Koreans. It is important to understanding the current characteristics of peptic ulcer disease because that helps us to diagnose and treat and expect the exact prognosis of peptic ulcer disease. Methods: The clinical observation of the peptic ulcer was done retrospectively using medical records and protocl in 893 peptic ulcer patients who were diagnosed with gastroduodenoscopy at eight medical school hospitals in Korea during recent 10 years, Results: In 893 peptic ulcer patients, gastric ulcers were 499(55.9%) cases, duodenal ulcers were 319(35.7%) cases, and combined gastric and duodenal ulcers were 75(8.5%) cases. The incidence of duodenal ulcer was higher before forties and lower after forties than that of gastric ulcer. Among the peptic ulcer patients, males were 645/893 cases(72.2%) and females were 248/893 cases(29.8%) and the ratio of males and females was 2.6:1. The seasonal incidence of peptic ulcer was not remarkable except slightly lower in the fall. There was no special difference in the incidence of peptic ulcer between the alcoholics and nonalcolics. Regard in blood types, peptic ulcer was more common in the blood type O group than others. The location of gastric ulcer showed as 54.7% in body, 25.6% in angle, 19.7% in antrum. The location of duodenal ulcer showed as 57.5% in the anterior wall of bulb, 28.0% in lesser curvature, 11.4% in posterior wall and 3.0% in greater curvature. The single ulcer was noted 68.6% in gastric ulcer, 80.2% in duodenal ulcer. The complication rate was 38.2% in peptic ulcer and the bleeding was the most common with 73.6% of total complications(gastric ulcer 54.5%, duodenal ulcer 46.7%) followed by perforation(19.6%) and pyloric obstruction(6.4%). The recurrence rate of peptic ulcer was 51.6%(54.5% in gastric ulcer, 46.7% in duodenal ulcer). Conclusion: We analized the peptic ulcer disease in 893 patients using medical records and protocol. We report the characteristics of current peptic ulcer disease in koreans.
급성 심근경색증에서 재혈관 개통술 후 심근 수축력의 향상을 예측하는 도구로써 심혈관 자기공명 영상의 유용성
김준홍 ( June Hong Kim ),박용현 ( Yong Hyun Park ),정준훈 ( Joon Hoon Jeong ),고우석 ( Woo Suk Ko ),배우형 ( Woo Hyung Bae ),이현국 ( Hyeon Gook Lee ),김준 ( Jun Kim ),전국진 ( Kook Jin Chun ),홍택종 ( Taek Jong Hong ),신영우 ( Y 대한내과학회 2005 대한내과학회지 Vol.69 No.4
목적 : 심혈관 자기공명영상의 발달은 생존심근의 진단에 많은 도움을 준다고 보고되고 있다. 저자들은 이러한 사실을 직접 규명하고자 본 연구를 시해하였다. 방법 : 급성 심근경색증으로 혈관 재개통술을 시행받은 19명의 환자에서 심혈관 자기공명영상을 얻었다. 자기공명영상은 좌심실을 32분절로 나누어 각각의 심근벽 운동과 후기조영 증강 정도를 결정하였으며 6개월 뒤 추적 관상동맥 조영술과 자기공명영상을 다시 얻어 비교 분석하였다. 결과 : 총 628개의 분절 중 177개의 분절에서 심근벽 운동의 이상을 보였으며 이 분절을 대상으로 분석을 시행하였다. 기저 심근벽 운동의 이상 중 심근벽 운동 이상을 보이는 분절(68분절)에서 심근벽 저운동을 보이는 군(109분절)에서 심근벽 운동의 호전을 보인 심근의 비율은 무운동을 보인 군과 비교하였을 때 의미있는 차이가 없었다(50% 대 41.3%, p=0.26). 자기공명영상의 후기 조영 증강영상에 따른 비교에서는 경색의 심근벽 이환 정도(transmural extent of infarction, TEI)에 따라 각각 TEI grade 0 군에서 60.5%, TEI grade I군에서 58.9%, TEI grade III군에서 51.2%, TEI grade IV군에서 29.4%, TEI grade V에서 8%였으며 이를 경색 정도가 심근벽의 50%를 이환하는 값으로 이분하였을 때 (TEI 50%) TEI가 50% 이하인 군(118분절)은 전체 분절 중 67분절(56.8%)에서 심근 운동의 회복을 보였으며 이는 TEI가 50%를 초과하는 그룹(59분절)의 12분절(20.3%)비하여 의미있는 차이를 보였다(p<0.001). 결론 : 심근경색에서 기저 심근벽 운동의 상태는 심근벽 호전을 예측하는데 도움이 되지 못하였다. 그러나 자기 공명 영상의 후기 조영 증강의 심근벽 이환 정도는 심근 수축력 향상을 예측하는데 유용하였으며 이는 임상에서 치료의 방향을 결정하는데 도움이 될 것으로 사료된다. Background : Cardiovascular MR has recently been reported that it can determine the viable myocardium. We investigated this study to determine the usefulness of cardiovascular MR in prediction of wall motion recovery after revascularization in acute myocardial infarction Methods : Both cardiovascular MR with contrast enhancement and coronary angiogram were performed in 19 patients with acute myocardial infarction who treated with precutaneous intervention or thrombolytic therapy. Six months follow-up angiogram and MR study were also preformed. Thirty two matched segments model of the left ventricle were used to analysis the wall motion change and the grade of transmural extent of hyperenhancement (TEI). Results : Among 628 segments, 177 segments showed wall motion abnormality. In group of segments showing hypokinesia (68 segments), the proportion of segments showing wall motion improvement was not different from that of the akinetic segments group (109 segments) (50% vs 41.3%, p=0.26). The proportion of segments showing wall motion improvement were 60.5% in group of TEI grade 0, 58.9% in TEI grade I, 51.2% in TEI grade III, 29.4% in TEI grade IV, 8% in TEI grade V. If the groups were divided into two according to cut-off value of TEI 50%, In the group of TEI less than 50%, 67 out of 118 segments (56.8%) showed wall motion improvement in contrast with 12 out of 59 segments (20.3%) in the group of TEI above 50% (p<0.001). The status of baseline wall motion abnormality (hypokinesia or akinesia) did not effect on wall motion improvement after revascularization. Conclusions : The baseline wall motion abnormality (hypokinesia or akinesia) did not predict the wall motion improvement. But, TEI grade was significant factor to predict the wall motion improvement.(Korean J Med 69:364-370, 2005)
찬 공기를 이용한 표피 냉각 시스템의 레이저 치료 시 통증에 대한 효과
고우석,강승주,조재주 대한피부과학회 2000 대한피부과학회지 Vol.38 No.7
Background: Although most dermatologic laser systems were developed to damage target tissue selectively, the epidermal injury has been a major problem in treating skin lesions of colored people. Recently, to minimize the epidermal damage during laser treatment, superficial cooling is being used. Cooling is one of the well known methods to reduce pain sensation. Objective: The purpose of this study was to evaluate the effectiveness of an air cooling in reducing pain associated with Q-switched Nd:YAG laser and pulsed dye laser treatment. Methods: We measured the temperature of normal skin during air cooling and studied 13 patients treated with a 1064 nm Q-switched Nd:YAG laser or 585 nm pulsed dye laser treatment with and without air cooling system. The degrees of pain reduction rates with and without cooling were assessed by the visual analogue scales. Results: 1. It was shown that cold air flow from 2 cm distance for 10 sec decreased skin temperature about 10.6 ℃ to 17.2 ℃ depending on the body sites. 2. The average of the pain scores was 38.08?21.05 on the cooled site as compared to 70.77±15.76 on the uncooled site. Conclusions: The cold air decreased the skin surface temperature like the other epidermal cooling system and it was very effective to reduce the pain on the cooled site associated with dermatologic laser treatment.
김상현,이현순,박원도,고우석 대한내과학회 1998 대한내과학회지 Vol.54 No.5
Kimura's disease is a granulomatous disease which develops in the skin, subcutaneous tissues and lymph nodes and which is characterized histologically by the presence of lymphnid follicles, vascular proliferation and infiltration with eosinophils. This disease is mostly confined to the Far East. The frequency of renal involvement in association with this disease is apparently high. But there wasn't any case report of IgA nephropathy associated with Kimura's disease. We report a case of IgA nephropathy associated with Kimura's disease with a review of the literature.