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Kim, Jaeuk U.,Ku, Boncho,Kim, Young-Min,Do, Jun-Hyeong,Jang, Jun-Su,Jang, Eunsu,Jeon, Young Ju,Kim, Keun Ho,Kim, Jong Yeol Hindawi Publishing Corporation 2013 Evidence-based Complementary and Alternative Medic Vol.2013 No.-
<P>Sasang constitutional medicine (SCM) shares its philosophy with that of personalized medicine: it provides constitution-specific treatment and healthcare individualized for each patient. In this work, we propose the concept of the Sasang Health Index (SHI) as an attempt to assess the individualized health status in the framework of SCM. From the target population of females in their fifties and older, we recruited 298 subjects and collected their physiological data, including complexion, radial pulse, and voice, and their questionnaire responses. The health status of each subject was evaluated by two Korean medical doctors independently, and the SHI model was obtained by combining all the integrative features of the phenotype data using a regression technique. As a result, most subjects belonged to either the healthy, subhealthy, or slightly diseased group, and the intraclass correlation coefficient between the two doctors' health scoring reached 0.95. We obtained an SHI model for each constitution type with adjusted <I>R</I>-squares of 0.50, 0.56, and 0.30, for the TE, SE, and SY constitution types, respectively. In the proposed SHI model, the significant characteristics used in the health assessment consisted of constitution-specific features in accordance with the classic literature and features common to all the constitution types.</P>
김재욱(Jaeuk Kim),김성훈(Sunghun Kim),이유정(Yujung Lee),전영주(Youngju Jeon),김근호(Keunho Kim),김종열(Jongyoel Kim) 한국한의학연구원 2009 한국한의학연구원논문집 Vol.15 No.2
Recently, there have been emerging research activities in classifying the Sasang constitution objectively by machine-based methods. The concordance rate of the classification by the pulse wave features was, however, only around 50% up to now. In this paper, we introduce a novel classification algorithm that can promote the accuracy substantially at the expense of the non-classifiable subgroup as a byproduct. For instance, with the pulse wave features alone, we show that female/male subject group in their 20s can be classified into the Sasang constitution group with the concordance rate of 68.4%/65.5% for a subgroup of 57/29(31%/15%) subjects out of 184/195, by leaving the other subjects as the non-classifiable group. Next, we show that the pulse diagnosis has been used only as a supportive tool in determining one's constitution, and consequently the accuracy of the concordance ratio by the pulse wave features alone cannot exceed a finite value, which we estimate to be about 60%.
김재욱(Jaeuk U. Kim),김성훈(Sung Hun Kim),이유정(Yu Jung Lee),전영주(Young Ju Jeon),강재환(Jaehwan Kang),김종열(Jong Yeol Kim) 대한전기학회 2009 정보 및 제어 심포지엄 논문집 Vol.2009 No.10
Pulse diagnosis is one of the most important diagnosis method in Oriental medicine. To make the pulse diagnosis more objective and standardize, it is essential to reinterpret the pulse images in the literature in terms of the physical quantities such as the strength, width, length, and depth of the pulse waveform, as well as to develop a high fidelity pulse measuring instrument. As a way towards such quantification, in this work, we introduce an effective method of extracting the characteristic features of the measured pulse wave. As an application of so-obtained features of the pulse wave, we outline the procedure of calculating the coefficient of the floating/sinking pulse, which is effective in quantifying the floating pulse and sinking pulse in a unified scale. In addition, we apply the algorithm of calculating the floating/sinking pulse to the database of pulse waves at Chon, Gwan, and Cheok in the left wrist, which were collected from 213 healthy male subjects in their 20s. As a result, we found that statistically the pulse image at Gwan tends to be relatively floating and the pulse image at Cheok tends to be relatively sinking.
Change in radial artery pulse wave in stroke hemiplegic patients
Kim, Jaeuk U.,Kim, Jae Kyoun,Shin, Jae-Young,Ku, Boncho,Bae, Jang-Han,Yeom, Seungryong,Lee, Sangkwan Williams & Wilkins Co 2018 Medicine Vol.97 No.13
<P><B>Abstract</B></P><P><B>Introduction:</B></P><P>About 55% to 75% of stroke survivors have motor disorders and problems that affect their quality of life. The prevention of secondary neurological damages through relapse prevention and the rehabilitation of stroke patients suffering from morbidities are crucial to improve the prognosis of patients with stroke. Pulse examinations can be used to determine the stroke progression. This study will investigate the differences and changes in radial artery pressure-pulse waves during the treatment of hemiplegia caused by stroke.</P><P><B>Methods/design:</B></P><P>This study protocol is for a prospective matched case-control study. A total of 84 participants will be recruited, 56 patients with hemiplia caused by stroke, and 28 control patients matched by age, gender, and body mass index. The primary outcome of this study will be the differences and changes in the radial augmentation index.</P><P><B>Discussion:</B></P><P>The results of the study will help to determine the differences and changes in radial artery pressure-pulse waves during the treatment of hemiplegia caused by stroke. The findings will provide information about the physiological and hemodynamic mechanisms.</P><P><B>Conclusion:</B></P><P>This will be the first study to analyze the pulse wave of the radial artery (PWRA) on the affected side and on the normal side in stroke patients with hemiplegia. This study will clarify whether the radial artery pressure pulse wave can be used to evaluate the result of stroke treatment objectively. The results of the study will be available in February 2019. The version of the protocol is v1.6 written in March 7, 2016.</P><P><B>Ethics and dissemination:</B></P><P>Written informed consent will be obtained from all participants. This study has been approved by the Institutional Review Board (IRB) of Wonkwang University Gwangju Hospital, Gwangju, Republic of Korea (WKIRB-2016/8). The study findings will be published in peer-reviewed journals and presented at national and international conferences.</P><P><B>Trial registration number:</B></P><P>This trial was registered with the Clinical Research Information Service (CRIS) of the Korea National Institute of Health (NIH), Republic of Korea (KCT0002147).</P>
Kim, Jaeuk U.,Lee, Yu Jung,Lee, Jeon,Kim, Jong Yeol Hindawi Publishing Corporation 2015 Evidence-based Complementary and Alternative Medic Vol.2015 No.-
<P><I>Aim of the Study</I>. The three conventional pulse-diagnostic palpation locations (PLs) on both wrists are <I>Cun</I>, <I>Guan</I>, and <I>Chi</I>, and each location reveals different clinical information. To identify anatomical or hemodynamic specificity, we used ultrasonographic imaging to determine the arterial diameter, radial artery depth, and arterial blood flow velocity at the three PLs and at nearby non-PL segments. <I>Methods</I>. We applied an ultrasound scanner to 44 subjects and studied the changes in the arterial diameter and depth as well as in the average/maximum blood flow velocities along the radial artery at three PLs and three non-PLs located more proximally than <I>Chi</I>. <I>Results</I>. All of the measurements at all of the PLs were significantly different (<I>P</I> < 0.01). Artery depth was significantly different among the non-PLs; however, this difference became insignificant after normalization to the arm circumference. <I>Conclusions</I>. Substantial changes in the hemodynamic and anatomical properties of the radial artery around the three PLs were insignificant at the nearby non-PLs segments. This finding may provide a partial explanation for the diagnostic use of “<I>Cun</I>, <I>Guan</I>, and <I>Chi.</I>”</P>
Valuation of Forest Habitat Functions of Endangered Mammals Using Species Distribution Model
Kim, Jung Teak,Kim, Jaeuk,Lee, Woo-Kyun,Jeon, Seong Woo,Kim, Joon Soon Institute of Forest Science 2015 Journal of Forest Science Vol.31 No.3
It is estimated that there is a total of approximately 100,000 species in Korea. However, the number is currently about 30,000 and only 16,027 species are listed in the 'Species Korea' (as of December, 2014). Of the listed species, 51 species are designated as the Endangered Species Class I while 195 species are in the Class II, totaling 246 endangered species including 20 mammals. Under the circumstances that development (e.g., roads) is increasingly threatening the persistence of endangered mammals, it is significant to identify and preserve suitable habitats for them. In this context, evaluating the values of the suitable habitat environment would serve as essential information for development decision making. This study estimated the values of endangered mammals' forest habitats through spatialization of habitat services. In doing so, a species distribution model, Maximum Entropy Model (MaxEnt) was utilized for a group of endangered mammals including, mountain goat, wildcat, marten cat, and flying squirrel. To calculate the values per unit area, a benefit transfer method was used based on the point-estimate technique with the best available values estimated previously. The range of discount rate of 3.0 to 5.5 percent was applied taking the notion of social discount rate into account. As a result, the province with the highest values for endangered mammal habitats appeared to be Gangwon, followed by Gyeongbuk and Gyeongnam. The monetary values of the endangered mammal habitats were estimated to be 330 billion to 421 billion won per year.