• The Journal of Internal Korean Medicine
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• v.18 no.2
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• pp.236-245
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• 1997

The subjects of this clinical study are 17 patients with ALS(Amyotrophic Lateral Sclerosis), who were diagnosed in other or our hospital from January 1987 to Nomember 1997. The age of onset, clinical signs, type of ALS, methods of treatment and outcomes, etc. were studied and analyzed. The data are summarized as follows ; 1) The mean age was $52.4{\pm}11.5$ years old, and the ratio of male to female was 2.4:1. There is increasing frequency with rising age. 2) Pseudopolyneuritic type(67%) is the most in male patients, bulbar type(60%) is the most in female patients, and totaly Pseudopolyneuritic type(54%) is the most. 3) In the period of hospitalization after onset, 1 year(11 cases, 64.8%) is the most frequent, and 2 year(2 cases, 11.7%), 1 month(2 cases, 11.7%), 4 years(1 case, 5.9%) and 6 months(1 case, 5.9%) in orders. 4) In the duration of admission, 10 days(8 cases, 47.2%) is the most frequent, and 30 days(4 cases 23.5%), 2 months(2 cases, 11.7%), 20 days(2 cases, 11.7%) and 3 months(1 case, 5.9%) in orders. 5) In the signs of patients, muscle weakness(17 cases, 100%), bulbar signs(14 cases, 82.4%), increased reflex of deep tendon(10 case, 58.8%), muscle atrophy (7 cases, 41.2%) and fasciculations(7 cases, 41.2%) were in orders. 6) In the methods of treatment, herb-medication(17 cases, 100%), acupuncture therapy(16 cases, 94.1%), physical therapy(7 cases, 41.2%), moxibustion therapy(5 cases, 29.4%), cupping therapy(4 case, 23.5%) and moxa-pack(1 case 5.9%) were administered in orders. 7) As to the outcome of treatment, 8(47.1%) were no changed, 4(23.5%) improved, 4(23.5%) aggravated, 1(5.9%) expired in orders.

• Journal of Chest Surgery
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• v.28 no.10
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• pp.906-911
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• 1995

From January 1991 to January 1995, 11 patients with aortic diseases underwent various surgical repairs. The age at operation ranged from 26 years to 63 years[ mean=50.9 years . The disease entities included 8 aortic dissections[ type I in 4, type II in 2 and type III in 2 cases , 2 Marfan`s syndrome with annuloaortic ectasia and 1 desecending thoracic aortic aneurysm The operative procedures we tried were 3 Bentall`s operation, 5 graft replacement of ascending aorta, and 3 graft interposition in descending thoracic aorta.Overall hospital mortality rate is 36.3%[4/11 . And causes of death are pump weaning failure in 2 cases and multiorgan failure in 2 cases. It was that 2 sternal dehiscence & mediastinitis, 1 acute renal failure, 2 hypoxic brain damages and 2 postoperative psychosis were complicated. Recently we tried surgical repair of aortic dissection five out of 6 cases using total circulatory arrest with deep hypothermia at 14$^{\circ}C$. Total circulatory arrest time ranged from 18 to 26 minutes[ mean 22.2 minutes , and mean aortic cross-clamping time was 48.2 minutes. One of 5 patient died on the 7th postoperative day due to multiorgan failure. Mortality of patients with TCA was 20%[1/5 , and it of remainders was 50%[3/6 . Our result for surgical repair using total circulatory arrest with deep hypothermia is satisfactory on the basis of our clinical data.

• The Journal of Internal Korean Medicine
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• v.41 no.4
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• pp.612-623
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• 2020

Objectives: The aim of this research was to investigate and review the trends in recent clinical studies of multiple system atrophy (MSA) in China. Methods: We searched for clinical studies discussing Oriental medicine-based treatments for MSA in the China National Knowledge Infrastructure (CNKI) database. The search focused on the authors; publication year; type of study; method and duration of treatment; evaluation criteria; and results of the selected articles. Results: Among the articles retrieved from the database, eight case series, two randomized controlled trials (RCTs), and one non-randomized controlled trial (nRCT) were analyzed. Eight articles used acupuncture; ten used herbal medicine. The most frequently used acupoints were GV20, GV24, GB20, PC6, Hyeopcheok Acupoint, CV4, EX-HN3, and GV17. Jihwangeumja was the most commonly used herbal prescription. All 13 studies confirmed the efficacy of Oriental medicine treatments. Conclusions: More varied and scientifically designed clinical studies are required to develop treatments for MSA. The results of this study may provide guidance for further studies of MSA.

• The Journal of the Society of Stroke on Korean Medicine
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• v.17 no.1
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• pp.55-66
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• 2016

Dyslipidemia is a major risk factor for cardiovascular accidents (CVA) and heart disease, especially the ischemic type. Lowering of serum low-density lipoprotein cholesterol (LDL-C) levels is a primary measure for preventing atherosclerosis. Many medications are available for the treatment of dyslipidemia; however, these drugs have some side effects. Therefore, we treated dyslipidemia patients with Chunghyul-plus. Before treatment, patients' levels of total cholesterol, triglyceride, high-density lipoprotein cholesterol (HDL-C), and LDL-C were measured on an empty stomach. Thereafter, patients were administered 1000 mg (2 capsules) of Chunghyul-plus two or three times a day for 2 weeks. After treatment with Chunghyul-plus, patients' serum triglyceride, LDL-C, and total cholesterol levels decreased. The results of this study suggest that Chunghyul-plus might be useful in the treatment of dyslipidemia.

• Journal of Chest Surgery
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• v.39 no.3 s.260
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• pp.194-200
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• 2006

Background: Thoracoabdominal aortic replacement is an extensive operation that opens both the pleural cavity and abdominal cavity, which has high mortality and morbidity rate. The authors have reported 9 cases of the thoracoabdominal aortic replacement in 2001. Since 2003 we have applied the deep hypothermic circulatory arrest to the Crawford type I and II thoracoabdominal aortic replacement. Therefore, we analysed the effect of the changes in operative techniques. Material and Method: Between 1996 and 2005, we have performed 20 cases of thoracoabdominal aortic replacement. The underlying diseases were 8 cases of atherosclerotic aneurysm with 4 cases of ruptured aneurysm and 12 cases of aortic dissection with 10 cases of a previous operations. According to Crawford classification, there were 2 cases of type I, 7 cases of type II, 1 case of type III, 7 cases of type IV, and 3 cases of type V. We compaired the results of the patients who underwent thoracoabdmoninal replacement before 2001 which already has been reported and after then. Result: Before 2001 we have performed 9 cases of thoracoabdominal replacement and 5 patients were died of the operation. All three patients with type I and II were died. There was no case of thoracoabdominal replacement between 2001 and 2002, but after 2003 we have performed 11 cases of thoracoabdominal replacement which involved 1 case of type I, 5 cases of type II, 1 case of type III, 2 cases of type IV and 2 cases of type V. There was no mortality and no fetal complications. Conclusion: The deep hypothermic circulatory arrest is a safe method of extended thoracoabdominal aortic replacement.

• The Journal of Internal Korean Medicine
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• v.22 no.3
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• pp.477-482
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• 2001

Tremor refers to rhythmic shaking of a body part. Tremor is a symptom of many disorders, including Parkinson's disease, essential tremor, orthostatic tremor, cerebellar disease, peripheral neuropathy and alcohol withdrawal. Tremors may be classified as postural, rest or action tremors. Symptomatic treatment is tailored to the tremor type. Because Dansambohyul-tang has been used to treat patients differentiated with an insufficiency of the heart and the spleen(心脾兩虛) in oriental medicine, we treated a 78 year-old female patient who suffered from tremor in mouth, chin and hand and insomnia, with improvement of general condition, who was differentiated with an insufficiency of the heart and the spleen(心脾兩虛) with Dansambohyul-tang, herb complex. After 78 days of treatment with Dansambohyul-tang and some other herb complex, we observed improvement of tremor, insomnia and general condition So Dansambohyul-tang shows therapeutic effects on tremor.

• Journal of Chest Surgery
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• v.14 no.1
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• pp.40-48
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• 1981

Total anomalous venous return defines a group of congenital heart disease which have in common the entire pulmonary venous drainage returning directly or indirectly to the right atrium instead of to the left atrium. Despite of recent advance in treatment, this severe malformation in its various anatomical forms has a high surgical mortality during early infancy. Because of the high mortality in the untreated infant and the surgical risk in the first year of life, the timing of the operation remains important for optimal result. Three cases of T APV R, two supracardiac types and one mixed type, were treated with extracorporeal circulation during last three years in the Dept. of Thoracic and Cardiovascular Surgery, Seoul National University Hospital. The first one was 10 months old male with supracardiac type which drained through left innominate vein, and he was operated with profound hypothermia and total circulatory arrest but failed. The second case was 7 years old male with supracardiac type drained through left innominate vein, and he was well post operatively, and followed periodically for 12 months. The third case was 24 years old female with mixed type drainage (left upper pulmonary vein drained through left innominate vein, and the others through coronary sinus) was successfully corrected, and she was followed for 4 month without problem. All cases were diagnosed with cardiac catheterization and angiocardiogram, and also with echocardiogram in last two cases. In first two cases of supracardiac type, total circulatory arrest was used in brief period during anastomosis between common pulmonary venous trunk and left atrium. In the last case of mixed type, usual cardiopulmonary bypass with moderate hypothermia was used and total circulatory arrest was not needed.

• Journal of the Korean Society of Safety
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• v.32 no.4
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• pp.107-113
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• 2017

This paper deals with the traffic factors related to the collisions of circular intersections. The purpose of this study is to develop traffic accident models by type of collision based on land use. In pursuing the above, the traffic accident data from 2010 to 2014 were collected from the "Traffic Accident Analysis System (TAAS)" data set of the Road Traffic Authority. A multiple regression model was utilized in this study to develop the traffic accident models by type of collision. 17 explanatory variables such as geometry and traffic volume factors were used. The main results are as follows. First, the null hypothesis that the type of land use does not affect the number of accidents by type of collision is rejected. Second, 10 accident models by type of collision based on land use are developed, which are all statistically significant. Finally, the ADT, inscribed circle diameter, bicycle lane, area of central island, number of speed hump, circulatory roadway width, splitter island, area of circulatory roadway, mean number of entry lane and mean width of entry lane are analyzed to see how they affect accident by type of accident based on land use.

• The KSFM Journal of Fluid Machinery
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• v.6 no.2 s.19
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• pp.29-33
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• 2003

The periphery pump (or regenerative pump) has been generally applied in the automotive fuel pump due to their low specific speed (high heads and small flow rate) with stable performance curves. In this study, the performance prediction of side channel type periphery pumps has been developed. The prediction of the circulatory flow rate is based on the consideration of the centrifugal force field in the side-channel and in the impeller vane grooves. For the determination of performance curve (head-flow rate), momentum exchange theory is used. The effects of various geometric parameters and loss coefficients used in the performance prediction method on the head and efficiency are discussed, and the results were compared with experimental data.

• Proceedings of the KSME Conference
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• 2002.08a
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• pp.581-584
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• 2002

The periphery pump(or regenerative pump) has been generally applied in the automotive fuel pump due to their low specific speed(high heads and small flow rate) with stable performance curves. In this study, the performance prediction of side channel type periphery pumps has been developed. The prediction of the circulatory flow rate is based on the consideration of the centrifugal force field in the side-channel and in the impeller vane grooves. For the determination of performance curve(head-flow rate), momentum exchange theory is used. The effects of various geometric parameters and loss coefficients used in the performance prediction method on the head and efficiency are discussed and the results were compared with experimental data.