• Title/Summary/Keyword: Diastolic BP

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Effect of Acupuncture on Patients with Hypertension : A Review of Clinical Studies in the Republic of Korea (고혈압의 침치료에 대한 문헌고찰 : 국내 임상 연구를 중심으로)

  • Sang Yeon, Jung;Ye-Chae, Hwang;Seung-Yeon, Cho;Han-Gyul, Lee;Seungwon, Kwon;WooSang, Jung;Sang-Kwan, Moon;Jung-Mi, Park;Chang-Nam, Ko;Seong-Uk, Park
    • The Journal of the Society of Stroke on Korean Medicine
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    • v.23 no.1
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    • pp.25-40
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    • 2022
  • ■Objectives This study aimed to collect and analyze clinical studies on the significance of acupuncture in the treatment of hypertension among Korean patients. ■Methods Among Korean patients with a blood pressure (BP) of 120 mmHg or higher and a diastolic BP of 80 mmHg or higher, those, treated with acupuncture only, were included. A literature search was conducted through 'Embase', 'Medline', 'Science and Technology Information Integration Service (NDSL)', 'Traditional Korean Knowledge Portal (OASIS)', 'PubMed', and 'Scopus'. The search keywords were (hypertension OR 'blood pressure') AND acupuncture. The papers, published before the day of the search (02. January 2022), were included in this study. ■Results Among the 12 selected papers, seven involved randomized controlled trial (RCT), four before-and-after studies, and one case series. The number of RCTs has increased yearly. The treatment methods used in the studies included needle acupuncture in eight studies, auricular acupuncture in two, pharmacopuncture in one, and si-acupuncture in one. The average numbers of patients enrolled in RCTs, before-and-after studies, and case series were 21.1, 30, and 23 respectively. Six studies were conducted on prehypertensive patients, two on stage 1 hypertension patients, and four on stage 2 hypertension patients. The involved acupoints have been reported to be ST36 in eight papers, LI11 in four papers, and PC6 in three papers. The treatment period lasted for < 1 week in eight studies and 8 weeks in four studies. Acupuncture successfully lowered blood pressure in nine out of 12 studies ■Conclusions Acupuncture is a viable alternative treatment option for prehypertensive patients, who are not taking medications. Additionally, it is also useful in further lowering the BP of patients with stage 1 and stage 2 hypertension in the short term. Large-scale and long-term studies on acupuncture for hypertension should be conducted.

Compensation of Error in Noninvasive Blood Pressure Measurement System Using Optical Sensor (광학 센서를 이용한 비관혈적 혈압 측정의 오차 보정)

  • Ko, J.I.;Jeong, I.C.;Lee, D.H.;Park, S.W.;Hwang, S.O.;Park, S.M.;Kim, G.Y.;Joo, H.S.;Yoon, H.R.
    • Journal of Biomedical Engineering Research
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    • v.28 no.2
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    • pp.178-186
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    • 2007
  • This study is attempted to correct an error of electronic blood pressure meter with an optical sensor. In general, for a hospitalized patient, ECG, blood pressure, oxygen saturation, and respiration are basically measured to monitor the patient's condition. Opening of a blood vessel after it is occluded by pressurizing the cuff influences the blood flow of peripheral blood vessels as well as oscillation changes in the cuff. Blood vessels are occluded and peripheral blood flow disappears at cuff pressure above the examinee's blood pressure, while blood vessels are opened and peripheral blood flow appears again at cuff pressure under the examinee's blood pressure. Then Disappear-Appear Point Length(DAPL) of peripheral blood flow can be judged with the signal of peripheral blood flow, thus is available as a factor of error correction for electronic blood pressure meter. Also, systolic or diastolic blood pressure can be corrected with Appear-Point-Pressure(APP) of cuff pressure at a point where blood flow occurs and Appear-Maximum Pressure(AMP) of cuff pressure at the maximum amplitude point of peripheral blood flow after peripheral blood flow appears again. For verification, 27 examinees were selected, and their blood value was obtained through experimental procedure of 4 stages including induction of blood pressure change. The examinees were divided into two groups of experimental group and control group, regression analysis was conducted for experimental group, and correction of a blood pressure error was verified with optical signal by applying the regression equation calculated in experimental group to control group. As an experimental result, mean of the whole measurement errors was 5mmHg or more, which did not meet the standard fur blood pressure meter. As a result of correcting blood pressure measurements with data of DAPL, APP, and AMP as drawn out of PPG signal, systolic blood pressure, mean blood pressure, and diastolic blood pressure were $-0.6{\pm}4.4mmHg,\;-1.0{\pm}3.9mmHg$ and $-1.3{\pm}5.4mmHg$, respectively, indicating that mean of the whole measurement errors was greatly improved, and standard deviation was decreased.

The Development of Pc Based EGG-NIBP Patient Monitor (PC 기반의 심전도-비관혈식 혈압 환자감시장치의 개발)

  • 김남현;김경하;주기춘;라상원;송광석;한민수;김성민;이건기;최태영
    • Journal of Biomedical Engineering Research
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    • v.20 no.4
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    • pp.461-469
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    • 1999
  • In this paper, an ECG-NIBP patient monitor is designed. This is an essential equipment to measure and monitor patient's physical condition - electrocardiogram(ECG) wave, heart rate(HR), and noninvasive blood pressure(NIBP) - in ICU, CCU, and operating room. The ECG is an electrical waveform produced by relaxation and contraction of the cardiac muscle. Most physicians diagnose patient's cardiac states from ECG pattern. A blood pressure is one of the clinical indexes measured in a emergency room or operating room. In this paper, the blood pressure is measured in artery by using the nonivasive oscillometric method. The developed patient monitor was inspected and compared with other instruments in operating rooms. The results were 1bpm of maximum difference in the heart rate, 15mmHg in the systolic pressure, 16mmHg in the diastolic pressure, and 25mmHg in the mean blood pressure. But the total results were 0.15bpm of the mean difference in the heart rate, 5mmHg in the systolic pressure, 10mmHg in the diastolic pressure, and 9mmHg in the mean blood pressure. The designed ECG-NIBP patient monitor can measure the ECG wave, HR, and BP. And the multi-tasking module of pulse oximetry . respiration . temperature monitor will be added in the near future.

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A Study on the Educational Needs of the Coronary Heart Disease Patients in a Municipal General Hospital (관상동맥질환자의 교육 요구 -일개 종합병원 내원환자를 중심으로-)

  • 고경희;이성은
    • Korean Journal of Health Education and Promotion
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    • v.15 no.2
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    • pp.143-161
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    • 1998
  • The purpose of this study is to find out the educational needs for the coronary heart disease patients of a general hospital in a municipal general hospital. The study subjects were 90 outpatients who had been diagnosed as myocardial infection or angina at the hospital from January 3, 1998 to January 31, 1998. The questionaire was consisted of risk factors and educational needs for coronary heart disease patients. The qusetions on the education needs of the coronary heart disease were consist of 34 questions in 6 fields. In analyzing the data, the number and the percentage were calculated in patients general characteristics, the average and the standard-deviation were calculated to understand the educational needs, t-test and ANOVA were used to find out inter group difference on educational needs. In ANOVA, the advanced analysis was done by Scheffe-test. The results of this study were as follows: 1. 52(57.8%) of the patients (90%) live in Kangnung-city and 95% of the patients live in the middle-east part of Korea. At the age distribution 39 to 80, 41.1% of the patients were in their sixties and average age was 62.4 years old. 40% of the patients left school in mid-course or graduated from middle school or high school 2. As a result of the study on the risk factors of the coronary heart disease, the patients who have hypertension and diabetes were 41.1% and 20% respectively. In smoking and drinking, smokers were 30% and drinkers were 40% and average of smoking and drinking duration over 30 years old. 47.8% were over 140mgHg systolic - BP and 45.8% were over 90mmHg diastolic - BP 3. The patients' educational needs average 94.88 (maximum 134), and item average 2.79(maximum 4.0), the highest needs field was the characteristic of disease 33.22(maximum 44). Item average 3.02 (maximum 4.0) and the lowest education needs field was the physical activity and exercise 10.21(maximum 16). Item average 2.55(maximum 4.0) 4. General characteristics which were different from the general characteristic educational needs were statistically different by group of educational level, occupation, age and sex. 5. The risk factors which were different from the coronary heart disease patients' risk factors educational needs were statistically different by groups of the heart disease patients in family and the patients who take regular exercise. with a result the nurses need to improve the educational programs while considering the high educational needs field and the characteristics which showed significant concerns statistically.

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Effects of changing position on cardiac output & on patient's discomforts after cardiac surgery (개심술을 받은 환자의 체위에 따른 심박출량 및 불편감에 관한 연구)

  • Yu Mi;Kwon Eun-Ok;Choi Yun-Kyoung;Kang Hyun-Ju;Oh Se-Eun
    • Journal of Korean Academy of Fundamentals of Nursing
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    • v.7 no.2
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    • pp.256-270
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    • 2000
  • Invasive hemodynamic monitoring has become a valuable assessment parameters in critical care nursing in patients undergoing open heart surgery patients. During cardiac surgery, the Swan Ganz catheter is placed in the pulmonary artery. Critical care nurses routinely obtain cardiac output, cardiac index, and pulmonary arterial pressure in these patients. Traditionally, patients are positioned flat and supine for cardiac output measurement. Numerous studies have dealt with the effects of changing position on the hemodynamic variables. However, there are a few studies dealing with patients who undergo cardiac surgery in Korea. Thus, the purpose of this study was to determine the effects of changing position on cardiac output, PAP, CVP, BP, HR and discomfort in patients after cardiac surgery. A sample of 21 adults who had CABG and/or valve replacement with Swan Ganz catheters in place was studied. The data were collected in the cardiac ICU of a university hospital in Seoul during the period from July 28, 1999 to August 30. 1999. In this study, the independent variable is patient position in the supine, 30 degree, and 45 degree angles. Dependent variables are C.O., C.I., CVP, PAP, MAP, HR and patients' perceived discomforts. Subject discomfort was measured subjectively by visual analogue scale. Other hemodynamic data where collected by the thermodilution method and by direct measurement. The data were analyzed by percentile, t-test, ANOVA, Linear regression analysis using SPSS-/WIN program. The results are as follows : 1) Changes in cardiac output were absent in different angle positions, 0, 30. 45 degrees(F=.070, P=.932). Changes in cardiac index were absent in different angle positions, 0. 30, 45 degrees(P>.05). 2) Changes in central venous pressure were absent in different angle positions, 0, 30, 45 degree(P>.05). 3) PAP had no change in different angle 0, 30, 45 degree positions; systolic PAP(P>.05), diastolic PAP(P>.05). 4) Changes in systolic blood pressure were absent in different angle positions, 0, 30, 45 degree(P>.05). 5) Changes in heart rates were absent in different angle positions, 0, 30, 45 degree(P>.05). 6) Patients' perceived discomfort was absent in different angle positions, 0, 30, 45 degree(p<.05). In conclusion, critical care nurses can measure C.O., C.I., PAP, BP, & CVP in cardiac surgery patients at 30 degree or 45 degree positions. This can improve the patients' comfort.

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The clinical study of the effect of Jamyang.Jaum prescriptions on the hypertension evolution in cerebral hemorrhage patients (잠양자음약물(潛陽滋陰藥物)이 뇌출혈(腦出血) 환자(患者)의 고혈압(高血壓)에 미치는 영향(影響)에 대한 임상적(臨床的) 고찰(考察))

  • Choi, Cheol-Won;Kim, Dong-Woung;Shin, Sun-Ho;Jeon, Heui-Jun;Hwang, Bo-Youn;Jeong, Dae-Young
    • The Journal of Korean Medicine
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    • v.18 no.1
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    • pp.72-81
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    • 1997
  • The causes of stroke are presumed hypertension, atherosclerosis,. cardiac disease, diabetes mellitus and old age and risk factors of stroke are suggested hypertension, hyperlipidemia. obesity, smoking and drinking etc. Especilly, hypertension is one of the most important cause and risk factor of stroke, therfore without therapy hypertension leads to stroke. The frequence of hypertension is significantly higher in hemorrhage patients of intracranial hemorrhage and subarachnoid hemorrhage. Antihypertensive therapy has an impact not only on the primary prevention of stroke but also on stroke recurrence and the declining of stroke motality has been attributed to the widespread availability and use of antihypertensive therapy. The goals of antihypertensive therapy decrease the complications and motalitv of cardiovascular system and prevent the promoting arteriosclerosis. In this study, we observed the blood pressure change of cb-hemorrhagic patients with hypertension who were hospitalized from 1996. 3. 1 to 1997. 2 .26 in Wonkwang Oriental Hospital. These patients had no antihypertensive therapy and were supplied herb med(Jaum sikpoongtang, Chungrijagamtang, Gojinumja) in medication. Our results suggested as follows. 1. Systolic and diastolic average BP at admission is $150.71{\pm}15.61mmHg$ and $95.00{\pm}8.8mmHg$ and this is hypertension state defining WHO 2. During one week in admission, the blood pressure demostrated a marked declination by SBP 8.97mmHg and DBP 6.22mmHg. 3. During two week in admission, the declination of SBP was significant in paired t-test(p<0.05) but, the declination of DBP was non-significant in paired t-test. 4. The blood pressure during third and fourth weeks gradually declined but, non-significant in test. According to the above results, we suggested that the BP declination Was affected by $Jamyang{\cdot}Jaum$ prescriptions in acute stage of cerebral hemorrhage.

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Cardiovascular Responses over the Time Course during Muscle Group III Stimulation in Prehypertensive Individuals (고혈압 전단계자들에 대한 골격근 Group III 자극 시 시간에 따른 심혈관 반응)

  • Park, Won-Il;Park, Si-Young;Choi, Hyun-Min;Lee, Joon-Hee;Jeon, Jong-Mok;Kim, Jong-Kyung;Shim, Jae-Kun;Nho, Ho-Sung
    • Journal of Life Science
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    • v.19 no.11
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    • pp.1568-1574
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    • 2009
  • The purpose of this study was to investigate whether group III muscle afferents play an important role eliciting abnormal blood pressure response mediated during passive muscle stretch in prehypertensive individuals. Eleven middle-aged prehypertensive men (average BP 133/80 mmHg) and nine middle-aged normotensive men (average BP 119/74 mmHg) participated in this study. After 1 min rest baseline data collection, the subject's foot was flexed (dorsiflexion) by an automated cybex for one minute. Systolic blood pressure (SBP), diastolic blood pressure (DBP), mean arterial blood pressure (MAP), heart rate, stroke volume, cardiac output, and total peripheral resistance were continuously measured on a beat-by-beat basis from a finger via a Finapres device for 1 minute. To evaluate the role of mechanoreflex, a component of exercise pressor reflex, SBP, DBP, and MAP responses over the course of time were examined. The results showed that the pressor response mediated by the muscle mechanoreflex was faster in prehypertensive individuals compared to the normotensive individuals. The substantial pressor response was observed within mean 20 sec of the onset of passive stretch in prehypertension, while mean 45 sec in normotension (p<0.05). It is concluded that excessive pressor response produced during exercise in prehypertension may be due to the dysfunction of the mechano-receptors.

Comparison of Sphygmomanometer, Fully Automatic Electronic Blood Pressure Meters with Standard Digital Blood Pressure Monitor : Pilot Study (표준전자식 혈압계와 수은혈압계, 전자혈압계의 비교 선행연구)

  • Yahng, J.S.;Lim, H.K.;Cho, D.H.
    • Journal of Biomedical Engineering Research
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    • v.33 no.3
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    • pp.155-162
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    • 2012
  • Devices to measure the blood pressure of patients are being used without any calibration in a hospital. It is an important to show consistent values when any medical devices measure the same patients regardless they are sphygmomanometer or fully automatic electronic blood pressure meter. We compared sphygmomanometer and fully automatic electronic blood pressure meters with standard digital blood pressure monitor (SDBPM) to evaluate the consistency of the small healthy subjects. We measured the blood pressure from six healthy subjects (three of 20~40 years and three of 40~60 years old). Two sphygmomanometer and two fully automatic electronic blood pressure meters were used and compared with the SDBPM. Blood pressures measured from right and left arms each and were compared. All six healthy subjects showed normal blood pressure values. In general, left blood pressure values showed higher values than right side. Comparing SDBPM, with the other monitors, the systolic pressure showed ${\pm}$ 34.8% difference and ${\pm}$ 33.3% for the diastolic pressure. Correlation between SDBPM and Sphygmomanometer was 0.59~0.71, and 0.50~0.70 for fully automated digital BP monitors. It fell in grade-D when we apply the BHS(British hypertension society). AAMI(American association for the advancement of medical instrumentation) also showed unsatisfactory results for the mean value (${\leq}$ 5 mmHg) and standard deviation (${\leq}$ 8 mmHg). We tested sphygmomanometer and fully automatic electronic blood pressure meters and compared with a standard digital blood pressure monitor. All devices showed inconsistent blood pressures. A reliable calibration system is highly needed for all devices in all hospitals.

A Study on Sandbag Management, vital sign, Pain and Hemorrhage after Kidney Biopsy in Children with Nephrotic Syndrome (신장증 환아의 신생검후 모래주머니 적용시간에 따른 활력징후, 통증 및 출혈에 관한 연구)

  • Cho Kyoul-Ja;Paik Seung-Nam;Park Soon-Hee
    • Child Health Nursing Research
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    • v.9 no.1
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    • pp.28-35
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    • 2003
  • Purpose: The purpose of this study is to investigate correlations in vital sign changes, the severity of pain, signs of complications, and the duration of sandbag management in order to suggest a standardized practice related to sandbag management in children with Nephrotic Syndrome(NS). Method: From October 2000 to May 2001, seventy children with NS who underwent kidney biopsy were interviewed at one hospital in Seoul Korea, and participated in this study. Result: 1) The average sandbag applying time after kidney biopsy was 18.1 hours. 2) Systolic blood pressure and respiration increased until 15 minutes after kidney biopsy, after then, they decreased signifi- cantly (systolic BP, p= .006; respiration, p= .029). However, no significant changes were noted in diastolic blood pressure and pulse. 3) Pain was reported minimal for 1 hour after kidney biopsy. The severity of pain increased until 12 hours after the procedure, then, decreased significantly(p= .0001). 4) Reported complications were hematuria (74.7%) and abnormal sonogram (32.9%). No apparent bleeding on the biopsy region was reported in any children. Conclusion: From these findings, it is possible to change the protocols of the duration of absolute bed rest time and sandbag application management shortly after kidney biopsy. But it is needed to study the fit protocols for kidney biopsy. Several implications in nursing practice are suggested. 1) Replicated studies for more participants are needed. 2) Further research on the effect of sandbag application after kidney biopsy is required. 3) The best duration of sandbag application management after kidney biopsy need to be investigated.

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The Effects of Red Ginseng on Blood Pressure and the Quality of Life in Essential Hypertensives (본태성 고혈압 환자의 혈압과 생활상에 미치는 홍삼의 영향)

  • Imamura Yoichi;Kuwashima Keiichi
    • Proceedings of the Ginseng society Conference
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    • 1988.08a
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    • pp.87-91
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    • 1988
  • We studied the effects of red ginseng on blood pressure (BP) and the quality of life (QOL) in 19 hypertensive patients treated with antihypertensive agents. Red ginseng was administered at a dosage of three grams a day for three months. Systolic blood pressure was significantly lowered during the administration period of red ginseng. while diastolic blood pressure and hear1 rate remained unchanged. QOL was significantly improved in $89\%$ of the patients. Among the QOL variables. sleep disorder. thirst. fatigue. mood. sexual life and general well-being were improved. Furthermore. an improved coefficient of variation of R-R intervals $(CV_{R-R})$ was observed during the period. A month after the cessation of red ginseng systolic blood pressure returned to the level before the administration and QOL variables detariorated to previous pre-treatment states. These results suggest that red ginsing may lower systolic blood pressure and may improve QOL in patients treated with antihypertensive agents.

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