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성향정기산(星香正氣散)이 가토의 경동맥(頸動脈) 평활근(平滑筋) 긴장(緊張) 및 $Ca^{2+}$ 대사(代謝)에 미치는 영향(影響)
김영균,권정남,김종훈,Kim, Young-Gyun,Kweon, Jung-Nam,Kim, Jong-Hoon 대한한방내과학회 2000 大韓韓方內科學會誌 Vol.21 No.3
Objective : This study was undertaken to evaluate the effect of Sunghyangchungisan (SHCS) on the regulation of vascular tone and $Ca^{2+}$ metabolism in arterial tissues. Vascular rings isolated from rabbit carotid artery were myographed isometrically in isolated organ baths and the effect of SHCS on contractile activities, endothelial function and $Ca^{2+}$ metabolism were determined. Methods : In phentobarbital sodium-anesthetized rabbits, SHCS administered through ear vein (100 mg/Kg body wt.) or intragastric dwelling tube (300 mg/Kg body wt.) attenuated phenylephrine (PE, 10 ${\mu}g$/Kg, i.v.)-induced increases in both systolic and diastolic cartoid arterial blood pressure. Results : In experiments with isolated arterial strips, SHCS relaxed arterial rings which were pre-contracted by phenylephrine (PE, 1 ${\mu}M$). The responses to SHCS were partially dose-dependent at concentrations lower than 0.5 mg/ml. When SHCS was applied prior to the exposure to PE, it inhibited the PE-induced contraction by a similar magnitude which was comparable to the relaxation of pre-contracted arterial rings. Washout of SHCS after observing its relaxant effect resulted in a full recovery of PE-induced contractions, indicating that the action mechanism is reversible. The observation that SHCS did not change the $ED_{50)$ of PE oh its dose-response curve ruled out the possible interaction of SHCS with ${\alpha}$-receptors. The relaxant effect of SHCS was not affected by removal of endothelium or a nitric oxide synthase inhibitor, L-NAME. Methylene blue, an inhibitor of the soluble guanylate cyclase, did not affect the relaxant effect of SHCS. These results suggest that the action of SHCS is not mediated by the endothelium nor soluble guanylate cyclase. Constant cGMP production determined in arterial strips in the presence or absence of SHCS is consistent with this conclusion. When contraction was induced by additive application of $Ca^{2+}$ in arterial rings which were pre-depolarized by high $K^+$ in a $Ca^{2+}$-free solution, the relaxant effect of SHCS was attenuated by increasing the $Ca^{2+}$ concentration. SHCS, when applied to the arterial rings pre-contracted by PE and then relaxed by nifedipine, a $Ca^{2+}$ channel blocker, did not show additive relaxation. SHCS partially blocked $Ca^{2+}$ influx stimulated by PE and high $K^+$ which was determined by 5-min ^{45}Ca$ uptake, while it did not affect $Ca^{2+}$ efflux. Conclusions : From above results, it is suggested that SHCS relax PE-induced contraction of rabbit carotid artery in an endothelium independent manner, andinhibition of $Ca^{2+}$ influx may contribute to the underling mechanism.
김영균 청주대학교 인문과학연구소 2020 人文科學論集 Vol.61 No.-
This paper is an attempt to elucidate the characteristics and meanings of the education of the appetitive part of the soul in Plato’s Republic. For this purpose, I have examined the characteristics of the appetitive part and distinction between necessary and unnecessary appetites. According to the education program Plato suggested, through education in music and poetry and physical training from an early age, we can learn how to avoid intemperance and how to desire correctly. With regard to the education of the appetites, what is most remarkable is his characteristic view of the role of the rational part. For him, reason is understood not simply to be a rational coordinator of appetites, but to have its own appetites. He thought that the rise in consciousness was possible through activities for pursuing truth by reason. The education of the appetitive part of the soul is ultimately to elevate the power of eros, which yearns for beauty and good, in the right direction.
김영균,조용석,윤필영 대한치주과학회 2013 Journal of Periodontal & Implant Science Vol.43 No.6
Purpose: The purposes of this study were to assess the dentists’ subjective satisfaction with the crestal approach sinus (CAS)kit, a device for maxillary sinus membrane elevation by the crestal approach using a special drilling system and hydraulic pressure,and to summarize the subjective satisfaction of dental implants placed after a sinus lift procedure with the CAS kit. Methods: Thirty dental clinicians who had experience with dental implant placement after a sinus lift procedure with theCAS kit from June 2010 to May 2012 were included in this study. The questionnaire for the evaluation of the dentists’ subjectivesatisfaction with the CAS kit was sent to the respondents and returned. The questionnaire was composed of two main parts. The first part was related to the sinus membrane perforation rate. The second part was related to the dentists’ subjective satisfactionwith the CAS kit. Results: A total of 28 dentists answered the questionnaire. Among 924 implant cases, sinus membrane perforation occurredin 38 cases (4.1%). Among the 28 dentists, 26 dentists (92.9%) were satisfied or very satisfied with the CAS kit. In particular, 24dentists (85.7%) reported that safety, cutting performance, and user-friendliness of the CAS drill were advantages of the CASkit. However, 7 dentists (25%) did not routinely use the hydraulic lifter for sinus membrane elevation. Conclusions: From the survey, it was shown that the respondents were generally satisfied with the CAS kit and that the cuttingperformance and safety of the drill component were considered strengths of the CAS kit.
고혈압(高血壓)의 원인(原因)에 관한 문헌적(文獻的) 고찰(考察)
김영균,권정남,박지은,김지웅,Kim, Young-Guen,Kwon, Jung-Nam,Park, Ji-Eun,Kim, Jee-Woong 대한한방내과학회 2000 大韓韓方內科學會誌 Vol.21 No.5
xWe studied about the causes of hypertension in the occidental and oriental medical records and the results are as follows. 1. The causes of hypertension in oriental medicine can be divided into wind, fire, phlegm and deficiency of Qi in our body, and broadly into three categories as emotions in excess, improper diet and damages of endogenous etiological factors. 2. Hypertension is the disease of undermining of fundamental aspects while prevailing incidental aspects and liver, heart and kidneys are the organs mainly related to hypertension. 3. The main pathological factors of hypertension are as follows; the disorder of Yin and Yang makes the situation of the deficiency of the vital essence of kidneys and the exuberance of the vital essence of liver and they are the fundamentals to be taken hypertension and finally make the state of the deficiency of both Yin and Yang. 4. In the point of occidental medical view, the essential hypertension is a disease of unknown etiology and we think it occurs not on the only one factor but on the various factors and secondary hypertension occurs from the diseases of the substances and the vessels of kidneys.