전두엽 상내측 신경교종의 수술 수 발생하는 운동보조영역 증후군

김재현,고영초,이채혁,권오기,최우진,박효일 인제대학교 백병원 2002 仁濟醫學 Vol.23 No.2

Objective : This retrospective study was aimed to correlate characteristic neurologic deficits of transient contralateral motor weakness with or without speech disturbance(Supplementary Motor Area, SMA syndrome) after the resection of the gliomas in the superior frontal gyrus, especially with the extent of resection of the tumors. Method : Ten patients with medial superior frontal glioma, who underwent gross total or subtotal resection of the tumor, as well as, partial or complete resection of the spolementary motor area were studied. The following parameters were evaluate 1) tumor location 2) extent of resection 3) degree and duration of postoperative deficits. Result : Postoperative neurologic deficits were transient contralateral motor weakness with or without motor dysphasia. As a whole, postsurgical SMA syndrome occurred in 3 patients out of 10 patients with medial superior frontal gliomas(30%), who underwent gross total or subtotal resection of the tumors. Motor deficits were present in 3 out of 10 patients and speech disturbances in 2 out of 3 left frontal gliomas. Recovery of neurological dysfunction was rapid occurring between the 5th 14th POD and their neurological function returned almost normal in two patients. In the remaining one patient, who had preoperative mild motor weakness showed incomplete recovery of the worsened motor weakness and newly developed speech disturbance till 1yr postoperatively. Conclusion : The postsurgical SMA syndrome in patients with glioma in the medial superior frontal gyrus was not so uncommon phenomenon and well correlated with the extent of surgical resection of the supplementary motor area. Thus, preoperative awareness and warning about the possibility of the development of this charicteristic SMA syndrome is necessary.

하수슬러지 堆肥化를 위한 신공정 개발 (Ⅰ. 회분식반응조에 의한 반응조건의 검토)

배재근,심혁성,곽노혁,조재경 서울産業大學校 1997 논문집 Vol.46 No.1

The main gold of this research is to develope composting facility for stable treatment and recycling of sewage sludge, and to find optimum control conditions for reducing compositing times by using the microorganisums. In addition to produce a compost of good quality which would be used to culture the product of the soil without and bad influence. Dewatered sludge in the higher organic content showed a rapid increase in temperature for a short period of time, maintaining constant temperature during the entire periods of composting. Higher temperature was maintained for the high organic content relative to the lower one. At the beginning stage, feed-back compost in feeding materials for microorganiama was necessary in the composting of sewage sludge. The optimal aeration rate was measured at 0.5 l/min in the beginning of composting process. The inoculation of microorganism at start-up operation was necessary to obtain better performance of compositing, especially in the case of the dewatered sludge with a low organic content. The proper temperature of control was shown about 50℃ during the stable process for composting. Both the control of moisture content and increase in microorganism concentration were optimized with 30% feedback of the compost. Based on laboratory results, continuous composting facility was designed and manufactured. The bench scale composting reactor has been successfully operated to determine the feasibility of the reactor and provided important design parameters to build up a larger reactor.

Poster Session : PS 0787 ; Upper GI Tract : The Effects of N-Acetylcysteine on First-Line Sequential Therapy for Helicobacter pylori Infection: A Randomized Controlled Pilot Trial

( Hyuk Yoon ),( Dong Ho Lee ),( Ae Ra Lee ),( Jae Jin Hwang ),( Cheol Min Shin ),( Young Soo Park ),( Nayoung Kim ),( Hyun Chae Jung ),( In Sung Song ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1

Background: There have been a few reports suggesting that N-acetylcysteine (NAC) which is mucolytic and antioxidant could destroy biofi lm formed by Helicobacter pylori ( H. pylori). The aim of this study was to identify whether the addition of NAC to fi rstline sequential therapy for H. pylori infection could improve the eradication rate. Methods: Patients with H. pylori infection were randomly assigned to receive either sequential therapy with (SQT+NAC group, n = 49) or without (SQT-only group, n = 50) NAC. Sequential therapy consisted of rabeprazole 20mg and amoxicillin 1g for the fi rst 5 days, followed by rabeprazole 20mg, clarithromycin 500mg and metronidazole 500mg for the remaining 5 days; all drugs are given twice daily. For SQT+NAC group, NAC 400mg b.i.d. was added for the fi rst 5 days of sequential therapy. H. pylori eradication was evaluated 4 weeks after completing therapy. Results: The eradication rates by intention-to-treat analysis were 58.0% in SQT-only group and 67.3% in SQT+NAC group, respectively (P = 0.336). The eradication rates by per-protocol analysis were 70.0% in SQT-only group and 80.5% in SQT+NAC group, respectively (P = 0.274). Compliance was very good in the both groups (SQT-only/ SQT+NAC group: 95.2%/100%, P = 0.494). There was no signifi cant difference in the adverse event rates between the groups (SQT-only/SQT+NAC group: 26.2%/26.8%, P = 0.947). Conclusions: The addition of NAC to first-line sequential therapy for H. pylori infection resulted in an approximately 10% increase in eradication rate. However, this feature did not reach statistical signifi cance, indicating that larger trials are needed

직업재활사들의 보조공학에 관한 필요성 및 인식도 조사

채수영,조성재,권혁철 대구대학교 특수교육재활과학연구소 2007 특수교육재활과학연구 Vol.46 No.4

The purpose of this study is to investigate an awareness as well as a necessity of assistive technology among vocational rehabilitation specialists serving people with disabilities in Korea in order to facilitate the application of assistive technology in their practice. A mail survey was conducted and 138 have participated in the investigation. Findings indicated that a majority(91.3%) of participants were aware of assistive technology. In addition, 81.4% of respondents believed that the utilization of assistive technology would contribute to promoting employment of people with disabilities. However, more respondents expressed dissatisfaction with information provided regarding assistive technology. Further, 77.5% of participants indicated that the perceived level of importance for assistive technology in the vocational rehabilitation services is not very significant suggesting appropriate measures would be necessary in order to promote the utilization of assistive technology services. Future suggestions to facilitation the use of assistive technology in the practice of vocational rehabilitation is provided. Finally, suggestions to effectively disseminate information regarding assistive technology and a governmental support needed to accomplish this aim was discussed. 본 연구는 2007년 5월에서 8월 말까지 4개월 동안 1차와 2차에 걸쳐 전국 130곳의 재활복지관에 재직 중인 직업재활사들에 대한 우편 설문을 실시하였으며, 138명의 응답지를 분석에 사용하였다. 연구 결과에 따르면, 보조공학에 대한 인식도에 있어서 보조공학을 알고 있는 사람이 91.3%로 나타났으나, 보조공학 정보에 대한 만족도는“보통이다”라는 응답자를 제외하면 만족하지 않는 응답자(30.2%)가 만족한다는 응답자(18.3%)보다 많은 것으로 나타났다. 또한, 보조공학 서비스의 제공이 장애인 고용창출에 효과를 높일 것이다라는 응답이 81.2%로 나타났다. 하지만, 재활공학이 직업재활 서비스 제공에서 차지하는 비중에 대한 질문에는 77.5%의 응답자들이 0~40%정도라고 답하여 보조공학 서비스 확대를 위한 대책마련이 요구됨을 지적했다. 연구의 결과를 근거로 직업재활에 있어서 보조공학 서비스의 확대를 위한 방안과 보조공학에 대한 홍보와 정부의 지원 및 확대의 필요성을 제안하였으며, 지역적인 보조공학 센터의 확충의 필요성을 제시하고자 했다.

상부 공장의 평활근종 2례

채창식,이성근,이재윤,서정철,이상혁,설상영,정정명,최하진 인제대학교 1993 仁濟醫學 Vol.14 No.1

저자들은 장출혈과 급성 빈혈을 동반한 상부 공장의 평활근종 2례를 경험하고 문헌고찰과 함께 이를 보고하는 바이다. The small bowel tumors are often very difficult to confirm, and in many cases, these tumors are incidentally found during exploratory laparotomy. Sometimes, these tumors cause unexplained abdominal pain, intestinal obstruction, or intestinal hemorrhage, which leads to emergency surgical intervention with relatively high mortality. We report 2 cases of upper-jejunal leiomyoma with intestinal hemorrhage experienced in Inje University Pusan Paik Hospital in December, 1990 and January, 1991 with brief review of the cases.

Erratum to "Protective Effects of Ecklonia stolonifera Extract on Ethanol-Induced Fatty Liver in Rats" [Biomol.Ther. 24 (2016) 650-658]

( Chae-young Bang ),( Jae-hyuk Byun ),( Hye-kyung Choi ),( Jae-sue Choi ),( Se-young Choung ) 한국응용약물학회 2017 Biomolecules & Therapeutics(구 응용약물학회지) Vol.25 No.2

An H.264 High-Profile Intra-Prediction with Adaptive Selection Between the Parallel and Pipelined Executions of Prediction Modes

Chae Eun Rhee,Tae Sung Kim,Hyuk-Jae Lee IEEE 2014 IEEE transactions on multimedia Vol.16 No.4

<P>A high-profile H.264 intra-frame encoder is suitable for low-cost and low-power applications and capable of providing enhanced compression efficiency. The high-profile is targeting the high-resolution videos. Thus, the encoding speed should be faster than or comparable to the baseline-profile. In previous work related to a hardware-based baseline-profile intra-frame encoder, a speed-up is achieved by the early termination of the intra modes and by an increase in the rate of hardware utilization only under one of the serialized and parallel schedules. This paper proposes a novel pipeline schedule for a hardware-based high-profile intra-prediction scheme in which the 8 × 8 prediction is performed in Stage 1 and 4 × 4, 16 ×16 and chroma predictions are executed during Stage 2. The processing time of Stage 2 is efficiently accelerated based on the result of the 8 × 8 prediction in Stage 1. According to the distribution of each mode, the schedule is adaptively selected between parallel and pipeline schedules. To increase the hardware utilization of the 8 × 8 prediction, the order of prediction modes and the inverse vertical transform is adaptively adjusted. In addition, early termination of the prediction modes is employed for a fast 8 × 8 prediction. The proposed 8 × 8 intra-prediction is implemented and verified as an entire intra-frame encoder. Experimental results show that the average number of cycles necessary to process one MB for videos with resolutions of 1920 ×1080 and 3840 × 2160 are only 269 and 253 cycles, respectively. Compared to JM13.2, the bitrate is increased by 1.13% on average with a small PSNR degradation of 0.06 dB. The difference in the rate-distortion performance between the proposed high-profile intra-prediction scheme and JM 13.2 is not significant, whereas the achieved speed-up due to the proposed schemes is considerable compared to the conventional hardware-based intra-prediction encoders.</P>

승모판 협착증에 병발한 신동맥 색전증 1 예

채종찬,이만호,고동혁,정을순,김향,이상종,홍미재 대한내과학회 1989 대한내과학회지 Vol.36 No.2

Although embolic occlusion of a renal artery is not rare, correct diagnosis and appropriate treatment are often delayed. We recently experienced in a case of renal artery embolism associated with mitral stenosis 45-year-old male, who suffered from a sudden onset of severe intractable abdominal pain. Analgesics a and sedatives did not alleviate the pain. Pertinent but non-specific laboratory findings disclosed leukocytosis, proteinuria and an increased serum lactic dehydrogenase level. A renal scan showed delayed excretion of the right kidney and a renal arteriogram disclosed abrupt cutting of the segmental artery of the right kidney associated with a filling defect in the delayed phase. He discharged from the hospital against advice for further evaluation and observation of his condition.

Protective Effects of Ecklonia stolonifera Extract on Ethanol-Induced Fatty Liver in Rats

( Chae-young Bang ),( Jae-hyuk Byun ),( Hye-kyung Choi ),( Jae-sue Choi ),( Se-young Choung ) 한국응용약물학회 2016 Biomolecules & Therapeutics(구 응용약물학회지) Vol.24 No.6

Chronic alcohol consumption causes alcoholic liver disease, which is associated with the initiation of dysregulated lipid metabolism. Recent evidences suggest that dysregulated cholesterol metabolism plays an important role in the pathogenesis of alcoholic fatty liver disease. Ecklonia stolonifera (ES), a perennial brown marine alga that belongs to the family Laminariaceae, is rich in phlorotannins. Many studies have indicated that ES has extensive pharmacological effects, such as antioxidative, hepatoprotective, and antiinflammatory effects. However, only a few studies have investigated the protective effect of ES in alcoholic fatty liver. Male Sprague-Dawley rats were randomly divided into normal diet (ND) (fed a normal diet for 10 weeks) and ethanol diet (ED) groups. Rats in the ED group were fed a Lieber-DeCarli liquid diet (containing 5% ethanol) for 10 weeks and administered ES extract (50, 100, or 200 mg/kg/day), silymarin (100 mg/kg/day), or no treatment for 4 weeks. Each treatment group comprised of eight rats. The supplementation with ES resulted in decreased serum levels of triglycerides (TGs), total cholesterol, alanine aminotransferase, and aspartate aminotransferase. In addition, there were decreases in hepatic lipid and malondialdehyde levels. Changes in liver histology, as analyzed by Oil Red O staining, showed that the ES treatment suppressed adipogenesis. In addition, the ES treatment increased the expression of fatty acid oxidation-related genes (e.g., PPAR-α and CPT-1) but decreased the expression of SREBP 1, which is a TG synthesis-related gene. These results suggest that ES extract may be useful in preventing fatty acid oxidation and reducing lipogenesis in ethanol-induced fatty liver.

Cascaded Direction Filtering for Fast Multidirectional Inter-Prediction in H.264/AVC Main and High Profile Compression

Chae Eun Rhee,Jin-Sung Kim,Hyuk-Jae Lee IEEE 2012 IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDE Vol.22 No.3

<P>Early direct mode decision is a popular technique to improve the execution speed of inter-predictions in a B slice. However, the improvement is limited when this technique is applied to a hardware-based pipelined architecture or to the video sequences where the ratio of macroblocks (MBs) encoded as the direct mode is low. This paper proposes a novel fast inter-prediction algorithm for B slices which increases the encoding speed by early decision of the direction of the inter-prediction using spatial and temporal correlation in a video. A speed-up is achieved by selecting a prediction direction with a lower complexity and discarding a prediction direction with a higher complexity. For the case when early mode decision is not possible, additional speed-up is achieved by partially skipping unidirectional motion estimation (ME) if the estimated cost of the ME is greater than the result of the direct mode prediction that is completed much faster than ME. This proposed sequence of early decisions is referred to as cascaded direction filtering (CDF). The proposed algorithm increases the early mode decision rate, which improves the encoding speed effectively for a hardware-based pipelined architecture as well as videos with a low ratio of MBs encoded as the direct mode. The additional memory size and bandwidth overhead required for the proposed CDF are very small. Experimental results show that the proposed CDF scheme improves the encoding speed by 45% for B slices and 32% for overall sequences. The bitrate is increased by less than 1% with a small peak signal-to-noise ratio degradation of 0.03 dB on average.</P>