• Title/Summary/Keyword: essential hypertension

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Effects of Aromatherapy on Changes in the Autonomic Nervous System, Aortic Pulse Wave Velocity and Aortic Augmentation Index in Patients with Essential Hypertension (아로마 요법이 본태성 고혈압 환자의 자율신경계 변화, 대동맥 맥파 전달속도 및 대동맥 파형증폭에 미치는 효과)

  • Cha, Jung-Hee;Lee, Sun-Hee;Yoo, Yang-Sook
    • Journal of Korean Academy of Nursing
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    • v.40 no.5
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    • pp.705-713
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    • 2010
  • Purpose: To investigate the effectiveness of aromatherapy on blood pressure, heart rate variability, aortic pulse wave velocity and the aortic augmentation index of essential hypertensive patients. Methods: Using a coin toss, 22 participants were assigned to the experimental group and 20 to the control. The experimental group was given a blend of oils of lemon (Citrus limonum), lavender (Lavandula angustifolia), and ylang ylang (Cananga odorata) which were prepared in the ratio of 2:2:1, respectively. The control group was given an artificial lemon fragrance of Limonene (35 cc) and Citral (15 cc) mixture. The experiment, inhalation, was conducted for 3 weeks (2 min per inhalation, 2 times per day) to both groups. Results: There was a noticeable difference in systolic blood pressure between the groups (p=.001), however the difference in diastolic blood pressure between the two groups was not significant. There was a notable difference in sympathetic nerve system activity of heart rate variability (p=.047). However, the differences in aortic pulse wave velocity or the aortic augmentation index were not significant. Conclusion: Aromatherapy is effective in lowering systolic blood pressure and sympathetic nerve system activity.

Association Study Between the C3123A Polymorphism of the Angiotensin II Type 2 Receptor Gene in the Human X Chromosome and Essential Hypertension in Koreans (한국인에서 Angiotensin II Type 2 Receptor 유전자에 존재하는 C3123A 다형선과 본태성 고혈압과의 관련성에 관한 연구)

  • Kang Byung Yong;Bae Joon Seol;Lee Kang Oh
    • Environmental Analysis Health and Toxicology
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    • v.20 no.1
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    • pp.39-45
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    • 2005
  • Renin-angiotensin system (RAS)은 혈압 조절에 중요한 역할을 수행하는 생리적 조절계로써, 이 system 을 구성하는 유전자들의 이상은 본태성 고혈압의 발병과 유의하게 관련된 것으로 알려졌다. RAS의 주요한 구성 성분인 angiotensin II는 2종류의 수용체인 angiotensin II type I receptor(AT₁R)와 angiotensin II type I receptor(AT₂R)에 의해 그 효과가 매개되기 때문에, 이 수용체를 암호하는 유전자는 본태성 고혈압의 유력한 후보 유전자라고 볼 수 있다. 현재가지의 연구에 의하면, AT₁R 유전자에 존재하는 유전적 변이와 본태성 고혈압과의 관련성에 관해서는 많은 보고들이 있었지만, AT₂R 유전자에 존재하는 유전적 변이 가 본태성 고혈압에 유의한 효과를 나타내는 지에 관해서는 이렇다할 연구 성과가 별로 없는 실정이다. 이에 본 연구에서는 한국인 집단을 대상으로 하여, AT₂R 유전자에 존재하는 C3123A 다형성이 한국인 집단에서 본태성 고혈압과 유의한 관련성이 있는 지를 분석하였다. 이 유전자는 인간의 X 염색체에 존재하기 때문에, 여성인 경우에는 CC, CA및 AA로 이루어진 3유전자형이 존재하지만, 남성인 경우에는 C와 A로 이루어진 2종류의 대립 유전자로 구성되어 있기 때문에, 본 연구에서는 남성과 여성을 개별적으로 나누어서 분석하였다. 연구 결과, AT₂R 유전자에 존재하는 C3123A 다형성은 남녀 모두에서 본태성 고혈압과 유의한 관련성을 나타내지 않았다(P>0.05). 그렇지만, 이 다형성에 대한 대립 유전자 빈도를 서양인 집단과 비교했을 경우에는, 한국인을 대상으로 한 본 연구에서 A 대립 유전자 빈도가 0.33인 반면에 서양인 집단은 그 빈도가 0.43~0.48로 한국인 집단보다 높은 값을 나타내었다. 따라서, AT₂R 유전자에 존재하는 C3123A 다형성과 본태성 고혈압과의 관련성에 대해서는 한국인과 유전적 배경이 다른 서양인 집단을 대상으로 한 추시가 필요할 것으로 사료된다.

Canonical Transient Receptor Potential Channels and Their Link with Cardio/Cerebro-Vascular Diseases

  • Xiao, Xiong;Liu, Hui-Xia;Shen, Kuo;Cao, Wei;Li, Xiao-Qiang
    • Biomolecules & Therapeutics
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    • v.25 no.5
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    • pp.471-481
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    • 2017
  • The canonical transient receptor potential channels (TRPCs) constitute a series of nonselective cation channels with variable degrees of $Ca^{2+}$ selectivity. TRPCs consist of seven mammalian members, TRPC1, TRPC2, TRPC3, TRPC4, TRPC5, TRPC6, and TRPC7, which are further divided into four subtypes, TRPC1, TRPC2, TRPC4/5, and TRPC3/6/7. These channels take charge of various essential cell functions such as contraction, relaxation, proliferation, and dysfunction. This review, organized into seven main sections, will provide an overview of current knowledge about the underlying pathogenesis of TRPCs in cardio/cerebro-vascular diseases, including hypertension, pulmonary arterial hypertension, cardiac hypertrophy, atherosclerosis, arrhythmia, and cerebrovascular ischemia reperfusion injury. Collectively, TRPCs could become a group of drug targets with important physiological functions for the therapy of human cardio/cerebro-vascular diseases.

Effects of Vitamin D on Blood Pressure and Endothelial Function

  • Min, Bokyung
    • The Korean Journal of Physiology and Pharmacology
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    • v.17 no.5
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    • pp.385-392
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    • 2013
  • Vitamin D deficiency is prevalent, primarily due to limited sun exposure, which may be observed in urban areas, or as a result of modern lifestyles. Common myths about vitamin D persist, including that it is mostly obtained from the diet and is only essential for bone and mineral homeostasis. Nonetheless, advances in biomedical science suggest that vitamin D is a hormone that is integral to numerous physiologic functions in most cells and tissues. Therefore, abnormal vitamin D levels may contribute to health disturbances. A number of recent reports on potential associations between vitamin D deficiency and cardiovascular disease have highlighted its role in this system. A focus over the previous decade has been to better understand the mechanisms behind vitamin D regulation and the pathophysiology associated with suboptimal vitamin D levels. Vitamin D deficiency is highly associated with the incidence of cardiovascular diseases, even when considering other well-known risk factors. In this process, the renin-angiotensin system is disrupted, and hypertension and endothelial dysfunction contribute to the risk of cardiovascular disease. Likewise, clinical outcomes upon the normalization of vitamin D levels have been investigated in different patient populations. It makes sense that vitamin D supplementation to improve vitamin D status among vitamin D-deficient individuals could be useful without requiring a sudden lifestyle change. This manuscript provides a brief overview of vitamin D metabolism and the vitamin D receptor. It also summarizes the current clinical research relating to vitamin D supplementation and its effects on hypertension and endothelial dysfunction in cardiovascular medicine.

A Study on Major Health Components of National Health Examination Survey in Korea (국민건강진단조사(National Health Examination Survey) 내용선정에 관한 연구)

  • Lee, Soon-Young;Kim, Hae-Kyung;Park, Ju-Won;Shin, Seung-Soo
    • Journal of Preventive Medicine and Public Health
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    • v.31 no.2 s.61
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    • pp.167-182
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    • 1998
  • The purpose of this study was to identify the major health components and measurements to be conducted in National Health Examination Survey(KNHES). The prevalence and severity of disease, acceptability of population and the possibility of standardization of measurement were considered as guideline for selecting the components. On the base of magnitude and severity of disease, chronic liver disease, hepatic cancer, gastric ulcer, stomach cancer, essential hypertension, cerebrovascular disease, ischemic heart disease, pulmonary tuberculosis, lung cancer, DM, breast cancer, cervical cancer, arthritis and intervertebral disc disorder were selected as the preliminary target diseases. Questionnaire survey for 648 persons in 'K' city and medical specialists in five clinical societies were conducted for evaluation the acceptability of general population for the measurements and the possibility of standardization for the procedures. In conclusion, the major target diseases were chronic liver disease, hypertension and DM and the total cholesterol, high density lipoprotein, triglyceride, total protein, albumin, hemoglobulin, hematocrit, platlet count, anti-HBs, HBsAg, height and weight were selected for basic physical components.

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The Effects of Education of Chronic Diseases Management for the Elderly Group in Parts of Seoul (서울지역 일부 노인집단에 대한 만성질환관리 교육의 효과)

  • Chang, Hyun-Sook;Lee, Sae-Young
    • Health Policy and Management
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    • v.20 no.3
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    • pp.157-172
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    • 2010
  • This study was conducted to evaluate the effects of health-behavioral change for the elderly group after community based education of chronic diseases management. We measured self recognition of health status, medication administration of hypertension and diabetes, regular check for blood pressure and blood sugar level, recognition of body indicators (weight, hight, blood pressure, blood sugar etc), knowledge level for chronic diseases management and smoking and alcohol habitation before and after education of chronic diseases management for participants. The subjects of this study consist of 432 people with community-dwelling Seoul citizen being active churches. Education programs designed essential parts of fundamental chronic diseases management, physical exercises for health promotion, diet and nutrition etc. All data collection completed for 5 months from Aug. 2008 to Dec. 2008 by trained surveyors via interview survey. The data obtained were analyzed using descriptive statistics, Wilcoxon Singed Rank test, McNemar test and Paired t-test. The results showed that self recognition of health status, knowledge level for chronic diseases management, recognition of body indicators were statistically significantly increased after the education of chronic diseases management. Also, blood pressure were statistically significantly decreased in elderly with hypertension and blood sugar were statistically significantly decreased in elderly of high-risk group. Based on these results, it was suggested that preventive education policy of chronic diseases management should be considered with priority coming true for successful aging society.

L- Arginine as a dietary supplement and its role in protection from disease and metabolism

  • BEERAM, Eswari
    • The Korean Journal of Food & Health Convergence
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    • v.5 no.4
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    • pp.25-28
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    • 2019
  • Now a days problem in health has become common. So, instead of curing them, prevention through dietary supplements has proven to be useful. In the case of patients who have already developed the disease atleast relieving pain and suffer is a challenging thing. In this context L- arginine is doing better compared to other essential aminoacids up to some extent. Arginine was found to reduce the pain associated with pulmonary hypertension foun to be associated with sickle cell anaemia. It also reduces the reperfusion injury after ischemia, trauma and shock. Some of the drugs with L-arginine as component are under clinical trials and hope to be available in the market soon. Severe preeclampsia is characterised by headaches, blurred vision, and inability to have high photovision, nausea and vomiting. L-Arginine along with Vit C and E are given as medical food to the patients and decrease in condition symptoms is the project now under phase II clinical trial. However the role of arginine in ameolirating preeclampsia symptoms is uncertain except with that of hypertension. Arginine is used to treat pain in sickle cell anaemia, lung damage, reperfusion injury, Trauma and shock but should be excluded during sepsis.

Clinical Studies on Korean Ginseng in Korea (인삼의 임상적 연구의 실상과 향후전망)

  • 윤택구
    • Journal of Ginseng Research
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    • v.20 no.4
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    • pp.520-539
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    • 1996
  • Based upon Shennong's Ancient Chinese Medical Textbook and Tsorngji Mingyi Byelu. Ginseng has been widely used for over 2,000 years in oriental countries. Scientific basic medical study or clinical study on ginseng was seal·toed 1910's in Eastern countries and from the 1950's in Western countries To obtain kotvledge of clinical studies on Korean ginseng. I investigated the following items 1) Oriental pharmacological documents. 2) the start and corrent state of ginseng research. 3) Clinical studies, 4) epidemiological studies. 5) non-medical human studies. 6) Foreign evaluation in published papers, and 7) future perspectives of clinical study. Although wide and profound research has been carried on the effect of ginseng (diabetes cardiovascular diseases, hypertension, liver diseases. gastrointestinal disorders soress, bram function. aging, antiradiation effect. anemia. hemopoiesis. immuomodulating effect. and tonic effect). Systemic clinical study to determine the therapeutic effects of speciblc disease have hardly been done even in other countries Clinical study or researches with human as the target. on ginseng has been performed in the field of body tenperazure. Pulse, clinical symptoms and hematological findings . fatigue, porformances. anemia. essential hypertension. blood sugar. serum cholesterol. lipid and prolactin. adrenocortical function. impotence. hypospermia. male sterility, climacteric disorder. anticancer effects. cancer preventive effects. and viral hepatitis. adverse effects. and prefered type of ginseng. At the same time as trying preventives or therapeutics from dietary oi natural products scientific research to support that ginseng is not a mystery. should be porformad to prove the effectiveness of Korean ginseng in the treatment of certain diseases using scientific methods or epidemiological approach.

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3D-QSAR Studies on Angiotensin-Converting Enzyme (ACE)Inhibitors: a Molecular Design in Hypertensive Agents

  • San Juan, Amor A.;Cho, Seung-Joo
    • Bulletin of the Korean Chemical Society
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    • v.26 no.6
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    • pp.952-958
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    • 2005
  • Angiotensin-converting enzyme (ACE) is known to be primarily responsible for hypertension. Threedimensional quantitative structure-activity relationship (3D-QSAR) models have been constructed using the comparative molecular field analysis (CoMFA) and comparative molecular similarity indices analysis (CoMSIA) for a series of 28 ACE inhibitors. The availability of ACE crystal structure (1UZF) provided the plausible biological orientation of inhibitors to ACE active site (C-domain). Alignment for CoMFA obtained by docking ligands to 1UZF protein using FlexX program showed better statistical model as compared to superposition of corresponding atoms. The statistical parameters indicate reasonable models for both CoMFA ($q^2$ = 0.530, $r^2$ = 0.998) and CoMSIA ($q^2$ = 0.518, $r^2$ = 0.990). The 3D-QSAR analyses provide valuable information for the design of ACE inhibitors with potent activity towards C-domain of ACE. The group substitutions involving the phenyl ring and carbon chain at the propionyl and sulfonyl moieties of captopril are essential for better activity against ACE.

Emerging Genomics Technologies in Nutritional Sciences: Applications to obesity and hypertension research

  • Mouss, Naima-Moustaid;Sumithra Urs;Kim, Suyeon;Heo, Young-Ran
    • Proceedings of the Korean Nutrition Society Conference
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    • 2002.05a
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    • pp.29-41
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    • 2002
  • While the sequencing of several genomes was underway, several advanced techniques in genetics, molecular biology and protein chemistry emerged. Within the nutritional sciences, while the focus on nutrition education, epidemiology and public health aspects remains essential; it is crucial to incorporate the new advances in gene and protein discovery in nutritional studies. Nutrition is a discipline that has always integrated social, biochemical and physiological sciences from the studies at the molecule level to studies at the population level. For this reason, nutritionists are in a prime position to readily incorporate the current genomics approaches in nutrition research, All the available analytical techniques can and should be used in modern nutritional sciences. These include genetics, genomics, proteomics and metabolomics which also require integration and use of bioinformatics and computational methods for data analysis and management. These applications will be briefly reviewed with a primary focus on what the genomics and genetics approaches offer to nutritionists. We will use one of our research focus areas to illustrate uses of some of these applications in obesity-hypertension research. Our central hypothesis is that adipose tissue is an endocrine organ that plays a major role in obesity and related hypertension. We are primarily studying the renin angiotensin system (RAS). We provide evidence from our own studies and others for the paracrine as well as endocrine role of adipocyte-derived angiotensin II in adipocyte gene expression, adiposity and blood pressure regulation. Both cell culture studies as well as knockout and transgenic mice models are used to test our hypothesis. Genomics and proteomics technologies are currently developed to complement our physiological and molecular studies on the RAS and for a fine analysis of this system and its function in health and disease.

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