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김제신,오혜원,이준희,고병희,이의주,Kim, Je-Shin,Oh, Hye-Won,Lee, Jun-Hee,Koh, Byung-Hee,Lee, Eui-Ju 사상체질의학회 2014 사상체질의학회지 Vol.26 No.4
Objectives The aim of this study was to report a improvement of tension type headache severity after using the Melonis Pedicus. Methods 3 Taeeumin patients, suffering from headache, treated with Melonis Pedicus, herb medicine, and acupuncture. After the treatment, Severity of headache was evaluated by Numerical Rating Scale(NRS). Also we checked the reponse of the Melonis Pedicus, and vital sign. Results & Conclusions After using the Melonis Pedicus, the severity of headache decreased from NRS 8 to NRS 1(case1), from NRS 10 to NRS 7(case 2), and from NRS 8 to NRS 6(case 3). And there was not any adverse effect. In conclusion, this study shows that using Meloni Pedicus can be effective treatment for Taeeumin tension type headache patient.
사상체질병증 임상진료지침 개발 연구 - 목적, 개발 전략 및 절차 -
김제신,황민우,이준희,이의주,고병희,유정희,배나영,김윤희,배효상,주종천,박혜선,신미란,유준상,Kim, Je-Shin,Hwang, Min-Woo,Lee, Jun-Hee,Lee, Eui-Ju,Koh, Byung-Hee,Yoo, Jung-Hee,Bae, Na-Young,Kim, Yun-Hee,Bae, Hyo-Sang,Joo, Jong-Cheon,Park, Hye 사상체질의학회 2013 사상체질의학회지 Vol.25 No.1
Objectives This study was aimed to develop the clinical practice guidelines, which focuses on Sasang Constitutional Medicine symptomology. By developing clinical practice guidelines, we should present prevention, diagnosis, treatment and assessment of Sasang Constitutional Medicine. Methods We used the method of University of Michigan Health System Guidelines model. Electronic databases including English, Korean databases were systematically searched for clinical articles investigating Sasang Constitutional Medicine symptomology up to March 2010. And "Donguisusebowon-ShinChukbon" was basically used to develop clinical guidelines. Results and Conclusions 12,694 Articles were reviewed. Only 25 articles described adequate methods of this study. Using clinical practice guidelines, we can manage th quality of medicine, emphasis treatment appropriacy and educate patients and doctors. Finally We can get the Sasang Constitutional Medicine standardization and socioeconomic benefit.
김제인,문요섭,박일룡,김진욱,김문찬,설한신,안종우 한국전산유체공학회 2022 한국전산유체공학회지 Vol.27 No.4
This paper provides the results of a numerical study conducted to predict the open water performance of a pumpjet propulsor designed by Ahn et al.[10]. Changes in the thrust and torque of each part of the pumpjet propulsor according to advance ratio were analyzed by using the RANS method based on the SST k-ω turbulence model. The present numerical results were validated with the results of the open water test performed in the large cavitation tunnel at KRISO. Compared to the condition without the pre-swirl stator and duct, the thrust and torque of the rotor increased due to the effect of those two parts of the pumpjet propulsor. On the other hand, the pre-swirl stator and duct induced drag rather than thrust at advance ratios higher than 0.4. In addition, the rotational direction of the torque predicted for these two parts was opposite to that of the rotor. The forces and efficiency predicted for each part of the pumpjet showed a good agreement with those of the model test, except for the advance ratios higher than 1.0. The reason that the numerical analysis underestimates the forces and efficiency at advance ratios greater than 1.0 is presumed to be the cause of the stall phenomenon in the numerical simulation occurring earlier than in the model test. Through the local flows, the pressure drop phenomenon that can cause cavitation due to the gap flow between the rotor blade and the duct and the characteristics of the tip vortex development according to advance ratio were discussed.
박윤성,김제신,박병주,유정희,이준희,고병희,이의주,Pak, Yun-Seong,kim, Je-Shin,Park, Byung-Joo,Yoo, Jung-Hee,Lee, Jun-Hee,Koh, Byung-Hee,Lee, Eui-Ju 사상체질의학회 2016 사상체질의학회지 Vol.28 No.2
Objectives The purpose of this study was to develop the Sasangin Diagnostic Questionnaire for Specialist(SDQ_S) and to evaluate the reliability and validity of SDQ_S for standardization of sasang constitutional diagnosis by korean medicine Specialist in clinical practice.Methods SDQ_S was developed through discussions of three sasang constitutional medical specialist. We recruited 210 subjects aged from 20 to 70, and conducted the evaluation of SDQ_S and sasang constitutional diagnosis. For the reliability test, internal consistency was examined by calculating the cronbach's α coefficient on 88 items excepted measurements of trunk, and independence and agreement was examined by chi-square test and McNemar test for 84 subjects which retested SDQ_S. For the validity test, discriminant functions was derived from the sample group(105 subjects), and they were applied to the test group(105 subjects). We identified the hit-ratio of SDQ_S in the test group.Results and Conclusions In the reliability test, the cronbach's α coefficient was 0.664 and 87 items(98.9%) have dependent relationships between 1st test and 2nd test. And 39 items(44.3%) have high agreements(0.8≤McNemar), 26 items(29.5%) have common agreements(0.4≤McNemar<0.8). In the validity test, four discriminant variables(Soeum Index, Taeeum Index, Torso Ratio I, Taeyang Index) were selected, and two discriminant functions were derived. Total hit-ratio was 74.2%, and hit-ratio of Taeeumin(76.7%) was higher than that of Soeumin(75.9%) and Soyangin(69.7%). SDQ_S has good reliability and validity for sasang constitutional diagnosis.
한국인 중년성인에서 사상체질과 폐기능장애, 대사증후군의 연관성 연구
박윤성,김제신,이준희,이의주,고병희,Pak, Yun-Seong,Kim, Je-Shin,Lee, Jun-Hee,Lee, Eui-Ju,Koh, Byung-Hee 사상체질의학회 2013 사상체질의학회지 Vol.25 No.3
Objectives Impaired lung function(ILF) and sasang constitution(SC) is associated with metabolic syndrome(MS). However, the relationship between ILF and SC is unclear. So, we assessed the relationship between ILF and MS according to SC, and examined whether SC is an independent risk factor for ILF. Methods This study included 1,148 subjects 40years and older who were performed the health examination at Kyung Hee University Hospital in Korea between December 2011 and February 2013. We defined ILF if FVC or $FEV_1$ value were less than lower limit of normal(LLN), and classified ventilatory patterns as obstructive pattern and restrictive pattern. MS was assessed according to AHA/NHLBI criteria. We used multivariate logistic regression to analyze the association of ILF with MS respective to SC types, and to identify the risk of SC types for ILF. Odds ratio(OR) was calculated by adjusting for age, sex, smoking status, drinking, physical activity, and BMI. Results In whole subjects, ILF was associated with MS [OR (95% CI), 1.69 (1.24-2.31) for FVC, 1.67 (1.20-2.33) for $FEV_1$]. And in Taeeum type(TE type) and Soeum type(SE type), ILF was associated with MS [1.63 (1.10-2.42) for FVC, 1.48 (1.01-2.24) for $FEV_1$ in TE type; 6.93 (1.14-42.00) for FVC in SE type], while in Soyang type(SY type), it wasn't. The restrictive pattern was associated with MS in TE type and SE type, while in SY type, it wasn't. Furthermore, TE type and SY type had more risk for ILF than SE type [1.71 (1.12-2.59) for SY type, 1.95 (1.23-3.08) for TE type in FVC; 2.06 (1.26-3.36) for TE type in $FEV_1$; 1.85 (1.21-2.85) for SY type, 2.17 (1.35-3.49) for TE type in Restrictive pattern]. Conclusions These results show that SC is an independent risk factor for ILF, especially TE type and SY type than SE type, and the prevalence of MS is an independent risk factor for ILF in TE type.
비기허증(脾氣虛證) 환자의 식사 전후 주관적 식욕과 Gut Hormone 혈중 농도에 대한 탐색적 연구
오혜원,이지원,김제신,이준희,Oh, Hye-Won,Lee, Ji-Won,Kim, Je-Sin,Lee, Jun-Hee 사상체질의학회 2015 사상체질의학회지 Vol.27 No.1
Objectives The aim of this study was to investigate clinical factors of SQD syndrome by tracking plasma gut hormone (active ghrelin, active Glucagon-like peptide-1(GLP-1), pancreatic polypeptide(PP), total peptide YY(PYY)) profiling of pre-post prandial standard meal between SQD group and normal group. Methods A total of 24 adult participants were consecutively recruited on April 2014. They were diagnosed as either by SQD syndrome or normal by Spleen Qi Deficiency Questionnaire (SQDQ). On the experimental day, blood samplings of 2 ml were repeatedly collected at 6 points from 2 groups for measuring plasma levels of gut hormones. At every point, subjective appetite sensations were self-registered. Results & Conclusions 1. There were significantly lower subjective 'Appetite' (p=0.012) and higher 'Satiety' (p=0.012) in SQD group. At each time point, subjective 'Appetite' was significantly lower at 60 min after breakfast (p=0.034) and 'Satiety' were significantly higher at 15 min (p=0.020) and 120 min (p=0.044) after breakfast in SQD group. 2. There were no significant differences in plasma levels of gut hormones (active ghrelin, active GLP-1, PP, total PYY) between SQD and normal group. Also at each time point, there were no significant differences of plasma levels of gut hormones between SQD and normal group. 3. Changes in plasma levels of gut hormones compared to baseline were not significantly different at each time point between SQD and normal group. Plasma PYY levels compared to baseline increased in SQD group following 15 min and 30 min after breakfast but decreased in normal group. 4. Further investigation is needed to construct gut hormone profiling and in this perspective, we can approach evaluation tool on variable appetite in Traditional Korean Medicine (TKM) syndrome in the future.
NACA 66₂-415 단면을 가지는 타원형 수중익의 날개 끝 보오텍스 및 캐비테이션 수치해석
박일룡(Il-Ryong Park),김제인(Je-in Kim),설한신(Han-Sin Seol),김기섭(Ki-Sup Kim),안종우(Jong-Woo Ahn) 한국해양공학회 2018 韓國海洋工學會誌 Vol.32 No.4
This paper provides quantification of the effects of the turbulence model and grid refinement on the analysis of tip vortex flows by using the RANS(Reynolds averaged Navier-Stokes) method. Numerical simulations of the tip vortex flows of the NACA 662-415 elliptic hydrofoil were conducted, and two turbulence models for RANS closure were tested, i.e., the Realizable k-ε model and the Reynolds stress transport model. Numerical results were compared with available experimental data, and it was shown that the data for the Reynolds stress transport model that were computed on the finest grid system had better agreement in reproducing the development and propagation of the tip vortex. The Realizable k-ε model overestimated the turbulence level in the vortex core and showed a diffusive behavior of the tip vortex. The tip vortex cavitation on the hydrofoil and its trajectory also showed good agreement between the current numerical results that were obtained using the Reynolds stress transport model and the results observed in the experiment.
SUBOFF 잠수함 모델의 캐비테이션터널 조건 저항 및 자항 수치해석 연구
박일룡(I.R. Park),김제인(J.I. Kim),서성부(S.B. Suh),설한신(H.S. Seol) 한국전산유체공학회 2019 한국전산유체공학회지 Vol.24 No.3
In this paper, numerical investigation of the resistance and self-propulsion of the SUBOFF submarine model in the KRISO large cavitation tunnel was carried out by using the Reynolds averaged Navier-Stokes method and Reynolds stress model for turbulence closure. This study followed the sensitivity analysis of grid and turbulence models done by Byeon et al.[11] which was for the numerical estimation of the resistance of the SUBOFF model in DTRC towing tank. In the numerical results, the resistances and the nominal wake field were validated by the experimental data of the cavitation tunnel. After blockage corrections, the computed resistances showed a good accordance with those of the DTRC towing tank test free from blockage effects. Self-propulsion simulations for wetted and cavitating flow conditions were performed on the basis of thrust identity approach and resulted in a good agreement with the measured self-propulsion data and cavitation observations for the propeller.