• Health Policy and Management
• /
• v.22 no.2
• /
• pp.263-274
• /
• 2012

This study describes the hypertensive patients characteristics associated with the health incentive point program, and develops and analyzes a simple predictive model of participation in the program. Based on the Incheon Chronic Disease Management System(iCDMS), a model program of community partnership for hypertensive or diabetic patients detection and follow-up since 2005 in Incheon metropolitan city, a cross-sectional design was used in this study. An effective 10.844 adults sample was divided into groups according to participation in the health incentive point program and continuing treatment, and individual and health characteristics among groups were compared. Furthermore, the predictors associated with participation in the program were identified by the logistic regression analysis. After the health incentive point program in iCDMS was introduced, the number of hypertensive patients participation in the program increased 23.9 times which is vastly high given the various programs were provided. There were statistically significant differences among the groups: age(p=0.000), treatment compliance(p=0.000), and blood pressure control at the last measurement(p=0.000), in particular, between participation group(GroupI, n=246) and non-participation group(GroupIII, n=10,408). Furthermore, age over 60 years(OR: 0.33), treatment compliance(OR: 3.49~3.78) and blood pressure controls(OR: 2.13~2.30) were statistically significant predictors associated with participation in the program, based on the logistic regression analysis with GroupI and GroupIII. To increase participation in the health incentive point program, variables such as age, treatment compliance and blood pressure controls are more concerned. And, high-risk patients and family members need targeted health incentive programs.

• Journal of Sensor Science and Technology
• /
• v.20 no.5
• /
• pp.343-350
• /
• 2011

The compliance and stiffness of artery are closely related with disease of arteries. Pulse wave velocity(PWV) in the blood vessel is a basic and common parameter in the hemodynamics of blood pressure and blood flow wave traveling in arteries because the PWV is affected directly by the conditions of blood vessels. However, there is no standardized method to measure the PWV and it is difficult to measure. The conventional PWV measurement has being done by manual calculation of the pulse wave transmission time between coronary arterial proximal and distal points on a strip chart on which the pulse wave and ECG signal are recorded. In this study, a pressure sensor consisting of strain gauges is used to measure the blood pressure of arteries in invasive method and regular ECG electrodes are used to record the ECG signal. The R-peak point of ECG is extracted by using a reference level and time windowing technique and the ascending starting point of blood pressure is determined by using differentiation of the blood pressure signal and time windowing technique. The algorithm proposed in this study, which can measure PWV automatically, shows robust and good results in the extraction of feature points and calculation of PWV.

• Journal of Physiology & Pathology in Korean Medicine
• /
• v.24 no.1
• /
• pp.165-170
• /
• 2010

This study assessed effects of magnetic acu-point therapy as an add-on to conventional antihypertensive managements such as medication or lifestyle modification for hypertensive or pre-hypertensive subjects. This study was conducted with the purpose to evaluate the decreasing effect of the blood pressure on the hypertensive patients who were given to magnetic acu-point therapy. A single-blind, placebo-controlled trial by cross matching was conducted at Daejeon University Oriental Hospital. The washout periods of cross matching are 10 days. 22 hypertensive (systolic BP>140 mmHg or diastolic BP>90 mmHg) volunteers were recruited and treatments were donemagnetic acu-points on Oegwan(TE 5), Jogimeup(GB 41), Naegwan(PC 6), Gongson(SP 4), Hugye(SI 3), Sinmaek(BL 62). The treated group was statistically significant decrease of the blood pressure, while control group show no statistically significant difference of BP. From the results, magnetic acu-point therapy seems to offer a benefit to the treatment of hypertensive patients.

• Journal of Korean Biological Nursing Science
• /
• v.18 no.4
• /
• pp.280-287
• /
• 2016

Purpose: This study was to evaluate the effects of information on anxiety, blood pressure and pulse in cerebral angiography clients. Methods: The data were collected from June to November 2014. The participants were 42 (21 each for experimental and control group) patients who to received cerebral angiography. The information developed from researchers' materials for cerebral angiography was provided only to experimental group. Measured variables were anxiety, systolic and diastolic blood pressure, and pulse rate. Research tools for anxiety were Spielberger's state anxiety inventory, and 10 point visual analogue scale (VAS). Results: The difference in mean systolic blood pressure after intervention between the experimental group ($129{\pm}15.34$) and the control group ($141{\pm}17.70$) was statistically significant (t=-2.28, p=.028). The differences between the two groups in state anxiety, VAS anxiety, diastolic blood pressure, and pulse rate after intervention were not statistically significant (p>.05). Conclusion: The information using educational material was effective in to decreasing systolic blood pressure in patients who received cerebral angiography. Therefore this study material could be used as a nursing intervention for patients in cerebral angiography.

• Journal of the Korean Society of Clothing and Textiles
• /
• v.45 no.3
• /
• pp.495-509
• /
• 2021

The study investigated the effects of five commercial body shaping foundation items on clothing pressure, blood flow, body shaping effectiveness, and wearer satisfaction for middle-aged women. The study measured clothing pressure at each of the 10 designated measurement points for twelve subjects wearing the foundations. Blood flow changes were recorded and body shaping effectiveness was analyzed by comparing differences in girth when wearing and not wearing the foundations. The subjects rated wearer comfort along a 7-point Likert scale. The results were that clothing pressure was present at all measurement points, and all foundations placed the least pressure on the anterior underbust girth. In addition, clothing pressure was high in the order of the lateral, posterior, and anterior areas. As clothing pressure increased, blood flow and velocity decreased and overall wearer satisfaction was assessed to be less comfortable. Body shaping effectiveness was evident across all the items, as all decreased girth measurements significantly. In conclusion, the appropriate level of clothing pressure provided by experimental foundations which is positive for blood flow and has an excellent body shaping effect was found to be between 0.53 and 1.77 kPa.

• Journal of Mechanical Science and Technology
• /
• v.16 no.12
• /
• pp.1719-1724
• /
• 2002

A previously designed capillary viscometer with measuring differential pressure was modified to measure the viscosity of non-Newtonian fluids including unadulterated blood continuously over numerous shear rates in a single measurement. Because of unavoidable experimental noise and a limited number of data, the previous capillary viscometer experienced an inaccuracy and could not directly determine a viscosity without an iterative calculation. However, in the present measurement there are numerous data available near the point of interest so that the numeric value of the derivative, d(In Q)/d(In Q$\sub$w/), is no longer sensitive to the method of differentiation. In addition, relatively low and wide shear rate viscosity measurements were possible because of the present precision pressure-scanning method with respect to time. For aqueous polymer solutions, excellent agreement was found between the results from the pressure-scanning capillary viscometer and those from a commercially available rotating viscometer. In addition, the pressure-scanning capillary viscometer measured the viscosity of unadulterated whole blood without adding any anticoagulants.

• 제어로봇시스템학회:학술대회논문집
• /
• 2002.10a
• /
• pp.57.6-57
• /
• 2002

Recently, the seriousness of the high blood pressure appearing in the whole world as well as Korea. Therefore, the methods to treat this disease proposing. For exam pie, there are the medicinal therapy and the dietetic treatment, etc. But these are uncertain and produce an adverse reaction. Thereupon, we studied effectively and financially to execute the treatment of the high blood pressure based on oriental medicine. Oriental medicine includes many treatments. We used Meridian Theory, the Meridian point, and Acupuncture that are a part of oriental medicine and treatments. And actualizing the above explained treatment into electronic technique, we produced the same effect without the help of...

• The Journal of Korean Medicine
• /
• v.26 no.3 s.63
• /
• pp.66-73
• /
• 2005

Objectives : The purpose uf this study was to evaluate the effect of Choksmni$(ST_{36})$ moxibustion in hypertensive patients who showed sudden elevation of blood pressure. Methods : Among patients admitted to Woosuk University Hospital from June to September 2004, sixty-one patients who had shown sudden elevation in systolic blood pressure over 100mmHg were chosen by random sampling and divided into a treatment group (Choksamni moxibustion group) and a control group. In the Choksamni $(ST_{36})$ moxibustion group, moxibustion was done at the point between tibial tuberosity and head of fibula where the $ST_{36}$ is known to be located. Direct moxibustion was practiced on the patients 5 times with an increase of size from a grain of rice to a bigger cluster. Male patients were chosen to practice on the left meridian and female patients were chosen to practice on the right meridian point. Changes in blood pressure after He moxibustion were checked 4 times at tine intervals of 30 minutes. In the control group, the patients took bed rest without my medical treatment. The two groups were compared in order to demonstrate whether then were any remarkable changes in depression of blood pressure. Results : There were significant decreases in the systolic and diastolic blood pressure before and after moxibustion. We found significant decreases in systolic blood pressure at 60 minutes, 90 minutes, and 120 minutes ana diastolic blood pressure at 120 minutes in the patient group compared with the control group. Conclusions : There was a statistically significant depressing effect on blood pressure elevation observed in the group with moxibustion at $ST_{36}$ versus the control group without any medical treatment.

• The KSFM Journal of Fluid Machinery
• /
• v.7 no.3 s.24
• /
• pp.14-22
• /
• 2004

Bileaflet mechanical valves have the complications such as hemolysis and thromboembolism, leaflet damage, and leaflet break. These complications are related with the fluid velocity and shear stress characteristics of mechanical heart valves. The first aim of the current study is to introduce fluid-structure interaction method for calculation of unsteady and three-dimensional blood flow through bileaflet valve and leaflet behavior interacted with its flow, and to overcome the shortness of the previous studies, where the leaflet motion has been ignored or simplified, by using FSI method. A finite volume computational fluid dynamics code and a finite element structure dynamics code have been used concurrently to solve the flow and structure equations, respectively, to investigate the interaction between the blood flow and leaflet. As a result, it is observed that the leaflet is closing very slowly at the first stage of processing but it goes too fast at the last stage. And the results noted that the low pressure is formed behind leaflet to make the cavitation because of closing velocity three times faster than opening velocity. Also it is observed some fluttering phenomenon when the leaflet is completely opened. And the rebounce phenomenon due to the sudden pressure change of before and after the leaflet just before closing completely. The some of time-delay is presented between the inversion point of ventricle and aorta pressure and closing point of leaflet. The shear stress is bigger and the time of exposure is longer when the flow rate is maximum. So it is concluded that the distribution of shear stress at complete opening stage has big effect on the blood damage, and that the low-pressure region appeared behind leaflet at complete closing stage has also effect on the blood damage.

• Journal of Acupuncture Research
• /
• v.21 no.4
• /
• pp.1-18
• /
• 2004

Objective : This study was performed to investigate the effects of aqua-acupuncture of Jibaikjihwangtang in two-kidney one clip Goldblatt hypertensive rats and spontaneously hypertensive rats. Methods : we injected aqua-acupuncture solution into Shin-Soo ($BL_{23}$) which corresponds to human acupuncture point in two-kidney one clip Goldblatt hypertensive rats and spontaneously hypertensive rats. Systolic blood pressure, renin activity, aldosterone and atrial natriuretic peptide (ANP) plasma levels were tested. Results : Systolic blood pressure decreased significantly after aqua-acupuncture of jibaikjihwangtang. Acupuncture group in two-kidney one clip Goldblatt hyper-tensive rats had deference with control group. In plasma levels of atrial natriuretic peptide, acupuncture group of spontaneously hypertensive rats increased meaningfully but to two-kidney one clip Goldblatt hypertensive rats it was decreased meaningfully. In Serum Aldosterone density, the acupuncture group of spontaneously hypertensive rats had significant alteration than control group, but the acupuncture group of two-kidney one clip Goldblatt hypertensive rats had decreased alteration than control group. Conclusion : According to these results, after Aqua-Acupuncture of Jibaikjihwangtang blood pressure decreased significantly and data suggest that blood pressure reduction activity connected with renin activity reduction in renal hypertensive rat.